Am Mittwoch, 16. Juni 2010 10:03:42 schrieb roma1390: > Hello, > > > We got this on our production system. Kernel: 2.6.26-2-amd64. > This seems to be related with http://bugzilla.kernel.org/show_bug.cgi?id=13316 and still is open. Sadly to have such long standing bugs in common used subsystems like USB. > > Jun 15 06:25:01 accelerator57 kernel: imklog 3.18.6, log source = /proc/kmsg started. > Jun 16 00:36:55 accelerator57 kernel: [600606.885265] usb 6-1: USB disconnect, address 3 > Jun 16 00:39:02 accelerator57 kernel: [600738.152638] INFO: task khubd:271 blocked for more than 120 seconds. > Jun 16 00:39:02 accelerator57 kernel: [600738.152682] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. > Jun 16 00:39:02 accelerator57 kernel: [600738.155993] khubd D ffff810916ca1400 0 271 2 > Jun 16 00:39:02 accelerator57 kernel: [600738.156038] ffff810919523d50 0000000000000046 363030365b3e363c 36323538382e3630 > Jun 16 00:39:02 accelerator57 kernel: [600738.156118] ffff810919521470 ffff810916dad220 ffff8109195216f8 00000000a00745a2 > Jun 16 00:39:02 accelerator57 kernel: [600738.156197] ffff810919523da4 ffff810916ca1600 0000000000000286 ffff8109148851c0 > Jun 16 00:39:02 accelerator57 kernel: [600738.156245] Call Trace: > Jun 16 00:39:02 accelerator57 kernel: [600738.156308] [<ffffffff8039035a>] usb_kill_urb+0xa8/0xdb > Jun 16 00:39:02 accelerator57 kernel: [600738.156612] [<ffffffff80246111>] autoremove_wake_function+0x0/0x2e > Jun 16 00:39:02 accelerator57 kernel: [600738.156660] [<ffffffff8038fa32>] usb_hcd_flush_endpoint+0xd4/0xeb > Jun 16 00:39:02 accelerator57 kernel: [600738.156707] [<ffffffff80390a8e>] usb_disable_endpoint+0x5b/0x6d > Jun 16 00:39:02 accelerator57 kernel: [600738.156752] [<ffffffff80390ac5>] usb_disable_device+0x25/0xe8 > Jun 16 00:39:02 accelerator57 kernel: [600738.156792] [<ffffffff8038c9cd>] usb_disconnect+0x92/0x142 > Jun 16 00:39:02 accelerator57 kernel: [600738.156830] [<ffffffff8038dc07>] hub_thread+0x3f9/0xcfd > Jun 16 00:39:02 accelerator57 kernel: [600738.156868] [<ffffffff80246111>] autoremove_wake_function+0x0/0x2e > Jun 16 00:39:02 accelerator57 kernel: [600738.156910] [<ffffffff8038d80e>] hub_thread+0x0/0xcfd > Jun 16 00:39:02 accelerator57 kernel: [600738.156952] [<ffffffff80245feb>] kthread+0x47/0x74 > Jun 16 00:39:02 accelerator57 kernel: [600738.156993] [<ffffffff8023008d>] schedule_tail+0x27/0x5c > Jun 16 00:39:02 accelerator57 kernel: [600738.157036] [<ffffffff8020cf38>] child_rip+0xa/0x12 > Jun 16 00:39:02 accelerator57 kernel: [600738.157077] [<ffffffff80245fa4>] kthread+0x0/0x74 > Jun 16 00:39:02 accelerator57 kernel: [600738.157116] [<ffffffff8020cf2e>] child_rip+0x0/0x12 > Jun 16 00:39:02 accelerator57 kernel: [600738.157154] Under which conditions did you get this? Physical unplug, S3 or S4? Regards Oliver -- 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
