Hello Sarah,
One of the following patches,
b1a72b70bbb82237b1041c78edee305503f6da31
USB: Remove bitmap #define from hcd.h
50e6c947c6340f7ba81deca99e8a37f458a00e49
USB: Fix usb_add_hcd() checkpatch errors.
0abde136582234dd720270ec3d5aeba69eae4d03
xhci: Rework port suspend structures for limited ports.
8c0d6f920004f065c2571f32b7c28e7f850e9810
xhci: Rename variables and reduce register reads.
ba764f4b37e2bcce069f6c9d96b8374ee85257ed
USB 3.0 Hub Changes
broke hibernate/resume path that the second attempt after the first hibernate/resume failed like this.
# echo disk >/sys/power/state
-bash: echo: write error: Device or resource busy
Mar 18 04:48:44 ibm-x3550m3-03 kernel: hub 9-1:1.0: hub_port_status failed (err = -22)
Mar 18 04:48:44 ibm-x3550m3-03 kernel: done.
Mar 18 04:48:44 ibm-x3550m3-03 NetworkManager[5690]: <info> (eth0): carrier now OFF (device state 8, deferring action for 4 seconds)
Mar 18 04:48:44 ibm-x3550m3-03 NetworkManager[5690]: <info> (eth0): carrier now ON (device state 8)
Mar 18 04:48:44 ibm-x3550m3-03 kernel: hub 8-1:1.0: unable to enumerate USB device on port 1
Mar 18 04:48:53 ibm-x3550m3-03 kernel: PM: Syncing filesystems ... done.
Mar 18 04:48:54 ibm-x3550m3-03 kernel: Freezing user space processes ... (elapsed 0.01 seconds) done.
Mar 18 04:48:54 ibm-x3550m3-03 kernel: Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done.
Mar 18 04:48:54 ibm-x3550m3-03 kernel: PM: Preallocating image memory... done (allocated 321006 pages)
Mar 18 04:48:54 ibm-x3550m3-03 kernel: PM: Allocated 1284024 kbytes in 0.59 seconds (2176.31 MB/s)
Mar 18 04:48:54 ibm-x3550m3-03 kernel: Suspending console(s) (use no_console_suspend to debug)
Mar 18 04:48:54 ibm-x3550m3-03 kernel: hub 9-1:1.0: suspend error -16
Mar 18 04:48:54 ibm-x3550m3-03 kernel: pm_op(): usb_dev_freeze+0x0/0x20 returns -16
Mar 18 04:48:54 ibm-x3550m3-03 kernel: PM: Device 9-1 failed to freeze async: error -16
Mar 18 04:48:54 ibm-x3550m3-03 kernel: hub 9-0:1.0: activate --> -22
Mar 18 04:48:54 ibm-x3550m3-03 kernel: hub 9-1:1.0: hub_port_status failed (err = -22)
Mar 18 04:48:54 ibm-x3550m3-03 kernel: hub 9-1:1.0: hub_port_status failed (err = -22)
Mar 18 04:48:54 ibm-x3550m3-03 kernel: hub 9-1:1.0: hub_port_status failed (err = -22)
Mar 18 04:48:54 ibm-x3550m3-03 kernel: hub 9-1:1.0: hub_port_status failed (err = -22)
Mar 18 04:48:54 ibm-x3550m3-03 kernel: hub 9-1:1.0: activate --> -22
Mar 18 04:48:54 ibm-x3550m3-03 kernel: hub 8-1:1.0: activate --> -22
Mar 18 04:48:54 ibm-x3550m3-03 kernel: PM: restore of devices complete after 4.179 msecs
Mar 18 04:48:54 ibm-x3550m3-03 kernel: Restarting tasks ...
Mar 18 04:48:54 ibm-x3550m3-03 kernel: hub 9-1:1.0: hub_port_status failed (err = -22)
Mar 18 04:48:54 ibm-x3550m3-03 kernel: done.
My environment setup is:
PCI-E card -> 1st USB3 Disk
-> USB3 Hub -> 2nd USB3 Disk
-> USB2 Hub -> USB2 Disk
After the first-time hibernate/resume, 2nd USB3 Disk was lost, and there were quite a bits
of error messages.
Mar 18 04:59:41 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: WARN: short transfer on control ep
Mar 18 04:59:41 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88026c9c6f00
Mar 18 04:59:41 ibm-x3550m3-03 kernel: xhci_hcd 0000:1a:00.0: xHCI xhci_drop_endpoint called with disabled ep ffff88026c9c6ec0
Mar 18 04:59:47 ibm-x3550m3-03 kernel: sd 7:0:0:0: [sdd] Unhandled error code
Mar 18 04:59:47 ibm-x3550m3-03 kernel: sd 7:0:0:0: [sdd] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK
Mar 18 04:59:47 ibm-x3550m3-03 kernel: sd 7:0:0:0: [sdd] CDB: Read(10): 28 00 00 00 00 01 00 00 01 00
Mar 18 04:59:47 ibm-x3550m3-03 kernel: end_request: I/O error, dev sdd, sector 8
Mar 18 04:59:47 ibm-x3550m3-03 kernel: Buffer I/O error on device sdd, logical block 1
Mar 18 04:59:47 ibm-x3550m3-03 kernel: sd 7:0:0:0: [sdd] Unhandled error code
Mar 18 04:59:47 ibm-x3550m3-03 kernel: sd 7:0:0:0: [sdd] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK
Mar 18 04:59:47 ibm-x3550m3-03 kernel: sd 7:0:0:0: [sdd] CDB: Read(10): 28 00 00 00 00 01 00 00 01 00
Mar 18 04:59:47 ibm-x3550m3-03 kernel: end_request: I/O error, dev sdd, sector 8
Mar 18 04:59:47 ibm-x3550m3-03 kernel: Buffer I/O error on device sdd, logical block 1
Mar 18 04:59:47 ibm-x3550m3-03 kernel: sd 7:0:0:0: [sdd] Unhandled error code
Mar 18 04:59:47 ibm-x3550m3-03 kernel: sd 7:0:0:0: [sdd] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK
Mar 18 04:59:47 ibm-x3550m3-03 kernel: sd 7:0:0:0: [sdd] CDB: Read(10): 28 00 2b aa 14 74 00 00 01 00
Mar 18 04:59:47 ibm-x3550m3-03 kernel: end_request: I/O error, dev sdd, sector 5860533152
Mar 18 04:59:47 ibm-x3550m3-03 kernel: Buffer I/O error on device sdd, logical block 732566644
Mar 18 04:59:47 ibm-x3550m3-03 kernel: sd 7:0:0:0: [sdd] Unhandled error code
Mar 18 04:59:47 ibm-x3550m3-03 kernel: sd 7:0:0:0: [sdd] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK
Mar 18 04:59:47 ibm-x3550m3-03 kernel: sd 7:0:0:0: [sdd] CDB: Read(10): 28 00 2b aa 14 74 00 00 01 00
Mar 18 04:59:47 ibm-x3550m3-03 kernel: end_request: I/O error, dev sdd, sector 5860533152
Mar 18 04:59:47 ibm-x3550m3-03 kernel: Buffer I/O error on device sdd, logical block 732566644
...
CAI Qian
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
