Thanks Sarah for explanation. CAI Qian ----- Original Message ----- > On Fri, Mar 18, 2011 at 05:02:21AM -0400, CAI Qian wrote: > > 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]: (eth0): > > carrier now OFF (device state 8, deferring action for 4 seconds) > > Mar 18 04:48:44 ibm-x3550m3-03 NetworkManager[5690]: (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 > > You shouldn't hibernate/suspend with a USB 3.0 hub plugged in right > now. > PM for USB 3.0 hubs isn't supported yet, as they use a completely > different protocol for device suspend than USB 2.0 hubs. I'm not > surprised the second USB 3.0 hard drive was lost. > > I'm going to try to work in USB 3.0 hub power management as bug fixes > to > 2.6.39, but I wanted the main bulk of the USB 3.0 hub support to go in > now, since it was such a big API change. > > > 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 > > Sarah Sharp -- 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
