Re: [RFT] usbcore: Bug fix: system can't suspend with USB3.0 device connected to USB3.0 hub

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Hi Sarah,

----- Original Message -----
> ----- Original Message -----
> > CAI, what kernel is this based off of? It looks like a backport to
> > 2.6.32?
> Sarah, yes, it is based on a 2.6.32-based kernel. As I mentioned
> early,
> this usb3 hub hibernate/resume problem can be also reproduced on your
> tree's hubs-v3-rebase branch. However, it is not possible to reproduce
> this on both Greg's usb tree and Linus' tree due to be marked by a
> general hibernate/resume regression,
> http://marc.info/?l=linux-kernel&m=130215842223224&w=2
This is now resolved.
http://marc.info/?l=linux-kernel&m=130248179802884&w=2
However, the usb3 hub hibernate/resume problem is still exist after
reverted that offensive patch and applied Andiry's 5 patches on the top
of linus tree.

> Hence, it was a challenge to test Andiry's 5 patches due to not
> applied
> cleanly on the top of your hubs-v3-rebase branch.
> > You don't seem to have the USB 3.0 split roothub patches that went
> > with
> > the USB 3.0 hub support. The complete patchset is necessary for USB
> > 3.0
> > hubs to work, and for power management to work. I have no idea how
> > the
> > system is going to behave if you don't have the full patchset.
> > Here's
> > the link to the full patchset, if you need it:
> >
> > http://marc.info/?l=linux-usb&m=130007599330834&w=2
> That patchset is too big for me to apply on the top of my 2.6.32-based
> kernel. Do you have any suggestion to test this on the top of
> hubs-v3-rebase branch? Maybe I just need to track down the genenral
> hibernate/resume regression first, and then to test this again.
> > I only see one xHCI host controller roothub (device 8-1) in your
> > lsusb
> > output, but I should see two xHCI roothubs (one USB 2.0 and one USB
> > 3.0
> > roothub). So either the split roothub code isn't working properly,
> > or
> > you didn't take the whole patchset. I can't tell what happened from
> > the
> > dmesg because you didn't capture from the beginning of boot (or when
> > you
> > loaded the xHCI driver).
> The dmesg captured from the boot was uploaded here,
> http://people.redhat.com/qcai/dmesg-2
The following was output from the serial console during the second
hibernate/resume. Does it help?

# echo disk >/sys/power/state 
PM: Syncing filesystems ... done.
Freezing user space processes ... Apr 10 20:46:36 ibm-x3550m3-03 kernel: PM: Syncing filesystems ... done.
(elapsed 0.01 seconds) done.
Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done.
PM: Preallocating image memory... done (allocated 313188 pages)
PM: Allocated 1252752 kbytes in 0.60 seconds (2087.92 MB/s)
hub 9-1:1.0: suspend error -16
pm_op(): usb_dev_freeze+0x0/0x20 returns -16
PM: Device 9-1 failed to freeze async: error -16
hub 9-0:1.0: activate --> -22
hub 9-1:1.0: hub_port_status failed (err = -22)
hub 9-1:1.0: hub_port_status failed (err = -22)
hub 9-1:1.0: hub_port_status failed (err = -22)
hub 9-1:1.0: hub_port_status failed (err = -22)
hub 9-1:1.0: activate --> -22
PM: restore of devices complete after 72.896 msecs
Restarting tasks ... 
hub 9-1:1.0: hub_port_status failed (err = -22)
done.
Apr 10 20:46:38 ibm-x3550m3-03 kernel: Freezing user space processes ... (elapsed 0.01 seconds) done.
Apr 10 20:46:38 ibm-x3550m3-03 kernel: Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done.
Apr 10 20:46:38 ibm-x3550m3-03 kernel: PM: Preallocating image memory... done (allocated 313188 pages)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: PM: Allocated 1252752 kbytes in 0.60 seconds (2087.92 MB/s)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-1:1.0: port 2 nyet suspended
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-1:1.0: suspend error -16
Apr 10 20:46:38 ibm-x3550m3-03 kernel: uhci_hcd 0000:00:1d.2: release dev 2 ep82-INT, period 8, phase 4, 99 us
Apr 10 20:46:38 ibm-x3550m3-03 kernel: uhci_hcd 0000:00:1d.2: release dev 2 ep81-INT, period 8, phase 4, 118 us
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 7-0:1.0: hub_suspend
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb7: bus suspend
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb7: suspend_rh
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 5-0:1.0: hub_suspend
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb5: bus suspend
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb5: suspend_rh
Apr 10 20:46:38 ibm-x3550m3-03 kernel: pm_op(): usb_dev_freeze+0x0/0x20 returns -16
Apr 10 20:46:38 ibm-x3550m3-03 kernel: PM: Device 9-1 failed to freeze async: error -16
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb1: usb resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: ehci_hcd 0000:00:1a.7: resume root hub
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb2: usb resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: ehci_hcd 0000:00:1d.7: resume root hub
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb3: usb resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb3: wakeup_rh
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb4: usb resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb4: wakeup_rh
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb5: usb resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb5: wakeup_rh
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb6: usb resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb6: wakeup_rh
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb7: usb resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb7: wakeup_rh
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb8: usb resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: resume USB 2.0 root hub
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858020, 32'h1, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858450, 32'h2a0, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858440, 32'he61, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858444, 32'h0, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858020, 32'h5, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-0:1.0: hub_resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: get port status, actual port 0 status  = 0x1203
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Get port status returned 0x203
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-0:1.0: port 1: status 0203 change 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: get port status, actual port 1 status  = 0x2a0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Get port status returned 0x2a0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-0:1.0: activate --> -22
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-1:1.0: hub_resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xHCI xhci_urb_enqueue called with unaddressed device
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-1:1.0: hub_port_status failed (err = -22)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xHCI xhci_urb_enqueue called with unaddressed device
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-1:1.0: hub_port_status failed (err = -22)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-1:1.0: port 2: status 0000 change 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 8-0:1.0: hub_resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xHCI xhci_urb_enqueue called with unaddressed device
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: get port status, actual port 0 status  = 0xe63
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Get port status returned 0x507
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-1:1.0: hub_port_status failed (err = -22)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 8-0:1.0: port 1: status 0507 change 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: get port status, actual port 1 status  = 0x2a0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Get port status returned 0x100
-bash: echo: write error: Device or resource busy
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: get port status, actual port 0 status  = 0xe63
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Get port status returned 0x507
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: clear USB_PORT_FEAT_SUSPEND
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: PORTSC 0e63
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858440, 32'h10fe1, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xHCI xhci_urb_enqueue called with unaddressed device
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-1:1.0: hub_port_status failed (err = -22)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xHCI xhci_urb_enqueue called with unaddressed device
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-1:1.0: activate --> -22
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 1-0:1.0: hub_resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 7-0:1.0: hub_resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 5-0:1.0: hub_resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 7-0:1.0: port 2: status 0303 change 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 5-0:1.0: port 2: status 0103 change 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 4-0:1.0: hub_resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: uhci_hcd 0000:00:1d.2: reserve dev 2 ep81-INT, period 8, phase 4, 118 us
Apr 10 20:46:38 ibm-x3550m3-03 kernel: uhci_hcd 0000:00:1d.2: reserve dev 2 ep82-INT, period 8, phase 4, 99 us
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858440, 32'h10e01, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858804, 32'h1, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858804, 32'h3, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb 8-1: usb resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: op reg status = 00000018
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring dequeue ptr:
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378296c0 03000000 00000000 01000000 00008801
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858024, 32'h18, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - OS owns TRB
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - calling handle_port_status
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Port Status Change Event for port 3
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring deq = 0x378296d0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - returned from handle_port_status
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 64'hffffc90012858638, 64'h378296d8, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 6-0:1.0: hub_resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 3-0:1.0: hub_resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 2-0:1.0: hub_resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: get port status, actual port 0 status  = 0x400e03
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Get port status returned 0x440503
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858440, 32'h400e01, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: clear port suspend/resume change, actual port 0 status  = 0xe03
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb 8-1: finish resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Queueing ctrl tx for slot id 1, ep 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Endpoint state = 0x3
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x378298e0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x378298f0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x37829900 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858804, 32'h1, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: op reg status = 00000008
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring dequeue ptr:
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378296d0 378298f0 00000000 01000000 01018001
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858024, 32'h8, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - OS owns TRB
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - calling handle_tx_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: handle_tx_event - ep index = 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: DMA address or buffer contents= 931305712
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Successful control transfer!
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x378298e0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x378298f0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x37829900 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring deq = 0x378296e0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Giveback URB ffff8804751c6b40, len = 2, status = 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - returned from handle_tx_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 64'hffffc90012858638, 64'h378296e8, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Queueing ctrl tx for slot id 1, ep 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Endpoint state = 0x1
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x37829910 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x37829920 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858804, 32'h1, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: op reg status = 00000008
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring dequeue ptr:
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378296e0 37829910 00000000 01000000 01018001
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858024, 32'h8, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - OS owns TRB
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - calling handle_tx_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: handle_tx_event - ep index = 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: DMA address or buffer contents= 931305744
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Successful control transfer!
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x37829910 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x37829920 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring deq = 0x378296f0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Giveback URB ffff8804751c6b40, len = 0, status = 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - returned from handle_tx_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 64'hffffc90012858638, 64'h378296f8, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 8-1:1.0: hub_resume
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Queueing ctrl tx for slot id 1, ep 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Endpoint state = 0x1
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x37829930 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x37829940 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x37829950 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858804, 32'h1, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: op reg status = 00000008
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring dequeue ptr:
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378296f0 37829940 00000000 01000000 01018001
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858024, 32'h8, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - OS owns TRB
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - calling handle_tx_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: handle_tx_event - ep index = 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: DMA address or buffer contents= 931305792
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Successful control transfer!
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x37829930 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x37829940 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x37829950 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring deq = 0x37829700 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Giveback URB ffff8804751c6b40, len = 4, status = 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - returned from handle_tx_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 64'hffffc90012858638, 64'h37829708, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Queueing ctrl tx for slot id 1, ep 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Endpoint state = 0x1
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x37829960 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x37829970 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x37829980 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858804, 32'h1, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: op reg status = 00000008
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring dequeue ptr:
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829700 37829970 00000000 01000000 01018001
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858024, 32'h8, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - OS owns TRB
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - calling handle_tx_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: handle_tx_event - ep index = 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: DMA address or buffer contents= 931305840
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Successful control transfer!
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x37829960 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x37829970 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x37829980 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring deq = 0x37829710 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Giveback URB ffff8804751c6b40, len = 4, status = 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - returned from handle_tx_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 64'hffffc90012858638, 64'h37829718, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Queueing ctrl tx for slot id 1, ep 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Endpoint state = 0x1
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x37829990 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x378299a0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x378299b0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858804, 32'h1, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: op reg status = 00000008
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring dequeue ptr:
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829710 378299a0 00000000 01000000 01018001
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858024, 32'h8, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - OS owns TRB
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - calling handle_tx_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: handle_tx_event - ep index = 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: DMA address or buffer contents= 931305888
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Successful control transfer!
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x37829990 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x378299a0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x378299b0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring deq = 0x37829720 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Giveback URB ffff8804751c6b40, len = 4, status = 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - returned from handle_tx_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 64'hffffc90012858638, 64'h37829728, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Queueing ctrl tx for slot id 1, ep 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Endpoint state = 0x1
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x378299c0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x378299d0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x378299e0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858804, 32'h1, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: op reg status = 00000008
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring dequeue ptr:
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829720 378299d0 00000000 01000000 01018001
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858024, 32'h8, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - OS owns TRB
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - calling handle_tx_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: handle_tx_event - ep index = 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: DMA address or buffer contents= 931305936
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Successful control transfer!
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x378299c0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x378299d0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x378299e0 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring deq = 0x37829730 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Giveback URB ffff8804751c6b40, len = 4, status = 0
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - returned from handle_tx_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 64'hffffc90012858638, 64'h37829738, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: ep 0x81 - urb len = 0x1 (1), addr = 0x26ce6aa20, num_trbs = 1
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Endpoint state = 0x1
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x3786b030 (DMA)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858804, 32'h3, 4'hf);
Apr 10 20:46:38 ibm-x3550m3-03 kernel: PM: restore of devices complete after 72.896 msecs
Apr 10 20:46:38 ibm-x3550m3-03 kernel: Restarting tasks ... 
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-0:1.0: state 7 ports 2 chg 0000 evt 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 8-0:1.0: state 7 ports 2 chg 0000 evt 0002
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: get port status, actual port 0 status  = 0xe03
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Get port status returned 0x503
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 1-0:1.0: state 7 ports 6 chg 0000 evt 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-1:1.0: state 7 ports 4 chg 0004 evt 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: xHCI xhci_urb_enqueue called with unaddressed device
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 9-1:1.0: hub_port_status failed (err = -22)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: done.
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 5-0:1.0: state 7 ports 2 chg 0000 evt 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 7-0:1.0: state 7 ports 2 chg 0000 evt 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 4-0:1.0: state 7 ports 2 chg 0000 evt 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 6-0:1.0: state 7 ports 2 chg 0000 evt 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 3-0:1.0: state 7 ports 2 chg 0000 evt 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 2-0:1.0: state 7 ports 6 chg 0000 evt 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: hub 8-1:1.0: state 7 ports 4 chg 0000 evt 0000
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb4: suspend_rh (auto-stop)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb3: suspend_rh (auto-stop)
Apr 10 20:46:38 ibm-x3550m3-03 kernel: usb usb6: suspend_rh (auto-stop)
[root@ibm-x3550m3-03 ~]# Apr 10 20:46:40 ibm-x3550m3-03 kernel: hub 1-0:1.0: hub_suspend
Apr 10 20:46:40 ibm-x3550m3-03 kernel: usb usb1: bus auto-suspend
Apr 10 20:46:40 ibm-x3550m3-03 kernel: ehci_hcd 0000:00:1a.7: suspend root hub
Apr 10 20:46:40 ibm-x3550m3-03 kernel: hub 4-0:1.0: hub_suspend
Apr 10 20:46:40 ibm-x3550m3-03 kernel: usb usb4: bus auto-suspend
Apr 10 20:46:40 ibm-x3550m3-03 kernel: usb usb4: suspend_rh
Apr 10 20:46:40 ibm-x3550m3-03 kernel: hub 6-0:1.0: hub_suspend
Apr 10 20:46:40 ibm-x3550m3-03 kernel: usb usb6: bus auto-suspend
Apr 10 20:46:40 ibm-x3550m3-03 kernel: usb usb6: suspend_rh
Apr 10 20:46:40 ibm-x3550m3-03 kernel: hub 3-0:1.0: hub_suspend
Apr 10 20:46:40 ibm-x3550m3-03 kernel: usb usb3: bus auto-suspend
Apr 10 20:46:40 ibm-x3550m3-03 kernel: usb usb3: suspend_rh
Apr 10 20:46:40 ibm-x3550m3-03 kernel: hub 2-0:1.0: hub_suspend
Apr 10 20:46:40 ibm-x3550m3-03 kernel: usb usb2: bus auto-suspend
Apr 10 20:46:40 ibm-x3550m3-03 kernel: ehci_hcd 0000:00:1d.7: suspend root hub
Apr 10 20:46:40 ibm-x3550m3-03 kernel: hub 8-1:1.0: hub_suspend
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Cancel URB ffff88026cc7bc80
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring:
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829400 01000000 00000000 01000000 00008801
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829410 03000000 00000000 01000000 00008801
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829420 37829000 00000000 01003021 0000c001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829430 03000000 00000000 01000000 00008801
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829440 37829010 00000000 01000000 01008401
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829450 37829020 00000000 01000000 01008401
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829460 37829820 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829470 37829850 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829480 37829880 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829490 37829030 00000000 01000000 01008401
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378294a0 378298a0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378294b0 378298d0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378294c0 37829040 00000000 01000000 01008401
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378294d0 378298f0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378294e0 37829910 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378294f0 37829930 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829500 37829950 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829510 37829980 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829520 378299b0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829530 378299d0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829540 37829a00 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829550 37829a30 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829560 37829a60 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829570 37829a80 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829580 37829050 00000000 01000000 02008401
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829590 37829aa0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378295a0 37829ad0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378295b0 37829af0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378295c0 37829b10 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378295d0 37829060 00000000 01000000 02008401
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378295e0 37829b30 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378295f0 3786b000 00000000 01000000 01038001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829600 37829b60 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829610 37829b80 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829620 37829ba0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829630 37829bd0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829640 37829810 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829650 37829840 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829660 37829870 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829670 378298a0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829680 37829070 00000000 01000000 01008401
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829690 378298c0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378296a0 37829080 00000000 13000000 01008401
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378296b0 37829090 00000000 01000000 01008401
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378296c0 03000000 00000000 01000000 00008801
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378296d0 378298f0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378296e0 37829910 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378296f0 37829940 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829700 37829970 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829710 378299a0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829720 378299d0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829730 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829740 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829750 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829760 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829770 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829780 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829790 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378297a0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378297b0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378297c0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378297d0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378297e0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @378297f0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Endpoint ring:
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b000 6ce6aa20 00000002 00000001 00000425
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b010 00000000 00000000 00000000 00002001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b020 6ce6aa20 00000002 00000001 00000425
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b030 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b040 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b050 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b060 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b070 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b080 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b090 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b0a0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b0b0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b0c0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b0d0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b0e0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b0f0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b100 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b110 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b120 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b130 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b140 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b150 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b160 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b170 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b180 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b190 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b1a0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b1b0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b1c0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b1d0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b1e0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b1f0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b200 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b210 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b220 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b230 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b240 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b250 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b260 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b270 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b280 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b290 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b2a0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b2b0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b2c0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b2d0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b2e0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b2f0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b300 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b310 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b320 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b330 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b340 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b350 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b360 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b370 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b380 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b390 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b3a0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b3b0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b3c0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b3d0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b3e0 00000000 00000000 00000000 00000000
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @3786b3f0 3786b000 00000000 00000000 00001802
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Endpoint state = 0x1
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Command ring enq = 0x378290b0 (DMA)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: // Ding dong!
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858800, 32'h0, 4'hf);
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: op reg status = 00000008
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring dequeue ptr:
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829730 378290a0 00000000 01000000 01008401
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858024, 32'h8, 4'hf);
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - OS owns TRB
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - calling handle_cmd_completion
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Cancelling TD starting at ffff88003786b020, 0x3786b020 (dma).
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Cancel TRB ffff88003786b020 (0x3786b020 dma) in seg ffff88026f3aa520 (0x3786b000 dma)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Giveback cancelled URB ffff88026cc7bc80
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: cancelled URB given back
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Command ring deq = 0x378290b0 (DMA)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - returned from handle_cmd_completion
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring deq = 0x37829740 (DMA)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 64'hffffc90012858638, 64'h37829748, 4'hf);
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Queueing ctrl tx for slot id 1, ep 0
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Endpoint state = 0x1
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x378299f0 (DMA)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring enq = 0x37829a00 (DMA)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858804, 32'h1, 4'hf);
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: op reg status = 00000008
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring dequeue ptr:
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829740 378299f0 00000000 01000000 01018001
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858024, 32'h8, 4'hf);
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - OS owns TRB
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - calling handle_tx_event
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: handle_tx_event - ep index = 0
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: DMA address or buffer contents= 931305968
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Successful control transfer!
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x378299f0 (DMA)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Ring deq = 0x37829a00 (DMA)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring deq = 0x37829750 (DMA)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Giveback URB ffff8804753c0680, len = 0, status = 0
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - returned from handle_tx_event
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 64'hffffc90012858638, 64'h37829758, 4'hf);
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Endpoint state = 0x1
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Command ring enq = 0x378290c0 (DMA)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Endpoint state = 0x1
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Command ring enq = 0x378290d0 (DMA)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: // Ding dong!
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858800, 32'h0, 4'hf);
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: op reg status = 00000008
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring dequeue ptr:
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829750 378290b0 00000000 13000000 01008401
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858024, 32'h8, 4'hf);
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - OS owns TRB
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - calling handle_cmd_completion
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Command ring deq = 0x378290c0 (DMA)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - returned from handle_cmd_completion
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring deq = 0x37829760 (DMA)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 64'hffffc90012858638, 64'h37829768, 4'hf);
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: op reg status = 00000008
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring dequeue ptr:
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: @37829760 378290c0 00000000 01000000 01008401
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858024, 32'h8, 4'hf);
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - OS owns TRB
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - calling handle_cmd_completion
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Command ring deq = 0x378290d0 (DMA)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xhci_handle_event - returned from handle_cmd_completion
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: Event ring deq = 0x37829770 (DMA)
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: In xhci_handle_event
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 64'hffffc90012858638, 64'h37829778, 4'hf);
Apr 10 20:46:40 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858440, 32'h10e61, 4'hf);
Apr 10 20:46:40 ibm-x3550m3-03 kernel: usb 8-1: usb auto-suspend
Apr 10 20:46:42 ibm-x3550m3-03 kernel: hub 8-0:1.0: hub_suspend
Apr 10 20:46:42 ibm-x3550m3-03 kernel: usb usb8: bus auto-suspend
Apr 10 20:46:42 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: suspend USB 2.0 root hub
Apr 10 20:46:42 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858450, 32'ha0002a0, 4'hf);
Apr 10 20:46:42 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858440, 32'hc000e61, 4'hf);
Apr 10 20:46:42 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: `MEM_WRITE_DWORD(3'b000, 32'hffffc90012858444, 32'h8, 4'hf);

CAI Qian
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