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Date: Thu, 23 Jul 2009 14:19:59 -0400 (EDT) From: Alan Stern <stern@...land.harvard.edu> To: Valdis.Kletnieks@...edu cc: Andrew Morton <akpm@...ux-foundation.org>, David Brownell <dbrownell@...rs.sourceforge.net>, Jiri Kosina <jkosina@...e.cz>, Greg Kroah-Hartman <gregkh@...e.de>, <linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org> Subject: Re: 31-rc3-mmotm0716 - dead USB trackball mouse kills entire system On Thu, 23 Jul 2009 Valdis.Kletnieks@...edu wrote: > Well... Usually. Today, on a -mmotm0716 kernel, the loose conductor struck > again, and no amount of wiggling would resurrect it as far as the system was > concerned. Note however that it *did* wake up just fine when I finally > rebooted the machine, even though I had not touched the mouse any further - > which says to me that the wires were making a connection again, but the kernel > wasn't picking up on it. > > Meanwhile, in my kernel logs, I had: > > [ 571.965568] drivers/hid/usbhid/hid-core.c: can't reset device, 0000:00:1d.7-8.3/input0, status -71 > [ 571.965661] usb 1-8: clear tt 3 (0060) error -32 > [ 571.981570] drivers/hid/usbhid/hid-core.c: can't reset device, 0000:00:1d.7-8.3/input0, status -71 > [ 571.981668] usb 1-8: clear tt 3 (0060) error -32 > [ 571.997698] drivers/hid/usbhid/hid-core.c: can't reset device, 0000:00:1d.7-8.3/input0, status -71 > [ 571.997782] usb 1-8: clear tt 3 (0060) error -32 > [ 572.013568] drivers/hid/usbhid/hid-core.c: can't reset device, 0000:00:1d.7-8.3/input0, status -71 > [ 572.013656] usb 1-8: clear tt 3 (0060) error -32 > [ 572.029694] drivers/hid/usbhid/hid-core.c: can't reset device, 0000:00:1d.7-8.3/input0, status -71 > [ 572.029783] usb 1-8: clear tt 3 (0060) error -32 > [ 572.045696] drivers/hid/usbhid/hid-core.c: can't reset device, 0000:00:1d.7-8.3/input0, status -71 > [ 572.045781] usb 1-8: clear tt 3 (0060) error -32 > [ 572.061567] drivers/hid/usbhid/hid-core.c: can't reset device, 0000:00:1d.7-8.3/input0, status -71 > [ 572.061655] usb 1-8: clear tt 3 (0060) error -32 > [ 572.077698] drivers/hid/usbhid/hid-core.c: can't reset device, 0000:00:1d.7-8.3/input0, status -71 > [ 572.077782] usb 1-8: clear tt 3 (0060) error -32 > [ 572.088910] usb 1-8.3: USB disconnect, address 6 > [ 572.267417] usb 1-8.3: new low speed USB device using ehci_hcd and address 7 > [ 572.357781] usb 1-8.3: New USB device found, idVendor=045e, idProduct=0023 > [ 572.357789] usb 1-8.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > [ 572.357796] usb 1-8.3: Product: Microsoft Trackball Optical® > [ 572.357802] usb 1-8.3: Manufacturer: Microsoft > [ 572.358075] usb 1-8.3: configuration #1 chosen from 1 choice > [ 572.365574] input: Microsoft Microsoft Trackball Optical® as /devices/pci0000:00/0000:00:1d.7/usb1/1-8/1-8.3/1-8.3:1.0/input/input9 > [ 572.365829] generic-usb 0003:045E:0023.0002: input,hidraw0: USB HID v1.00 Mouse [Microsoft Microsoft Trackball Optical®] on usb-0000:00:1d.7-8.3/input0 > > The "can't reset device" is apparently new with mm-0716 - I've not seen it > before in at least the 6 weeks my logs go back. I don't think it is new. You might try using an older kernel with your decaying trackball to see. > And it seems to be the > beginning of things going pear-shaped, even though it manages to reset the > device. No it doesn't. The device gets disconnected and reconnected. > A few seconds, the events thread whinges that not all is fine in USB > land: > > [ 588.903158] usb 1-8.3: reset low speed USB device using ehci_hcd and address 7 > [ 593.903075] ------------[ cut here ]------------ > [ 593.903091] WARNING: at drivers/usb/host/ehci-hcd.c:906 ehci_urb_dequeue+0xa9/0x145() > [ 593.903098] Hardware name: Latitude D820 > [ 593.903102] Modules linked in: ext4 jbd2 crc16 nvidia(P) [last unloaded: microcode] > [ 593.903127] Pid: 10, comm: events/0 Tainted: P 2.6.31-rc3-mmotm0716 #5 > [ 593.903133] Call Trace: > [ 593.903147] [<ffffffff8103f459>] warn_slowpath_common+0x77/0x8f > [ 593.903156] [<ffffffff8103f480>] warn_slowpath_null+0xf/0x11 > [ 593.903165] [<ffffffff812d66cb>] ehci_urb_dequeue+0xa9/0x145 > [ 593.903176] [<ffffffff812c20f6>] unlink1+0xcd/0xe0 > [ 593.903185] [<ffffffff812c2279>] usb_hcd_unlink_urb+0x60/0x84 > [ 593.903194] [<ffffffff812c34d0>] usb_kill_urb+0x4f/0xc7 > [ 593.903204] [<ffffffff812c4ae4>] usb_start_wait_urb+0x9e/0xde > [ 593.903214] [<ffffffff812c3b1d>] ? usb_init_urb+0x22/0x33 > [ 593.903224] [<ffffffff812c4dd1>] usb_control_msg+0x172/0x196 > [ 593.903233] [<ffffffff812be39b>] hub_port_init+0x348/0x71e > [ 593.903244] [<ffffffff812be80e>] usb_reset_and_verify_device+0x9d/0x3f0 > [ 593.903253] [<ffffffff812c34a0>] ? usb_kill_urb+0x1f/0xc7 > [ 593.903263] [<ffffffff81034cb0>] ? get_parent_ip+0x11/0x42 > [ 593.903273] [<ffffffff81327812>] ? hid_cease_io+0x36/0x3b > [ 593.903282] [<ffffffff812bebfa>] usb_reset_device+0x99/0x11c > [ 593.903291] [<ffffffff8132808f>] ? hid_reset+0x0/0x128 > [ 593.903299] [<ffffffff8132812a>] hid_reset+0x9b/0x128 > [ 593.903309] [<ffffffff81051a48>] worker_thread+0x2ba/0x3e9 > [ 593.903317] [<ffffffff810519ef>] ? worker_thread+0x261/0x3e9 > [ 593.903328] [<ffffffff81056841>] ? autoremove_wake_function+0x0/0x34 > [ 593.903337] [<ffffffff8105178e>] ? worker_thread+0x0/0x3e9 > [ 593.903346] [<ffffffff81056433>] kthread+0x85/0x8d > [ 593.903357] [<ffffffff8100c41a>] child_rip+0xa/0x20 > [ 593.903367] [<ffffffff8100bd80>] ? restore_args+0x0/0x30 > [ 593.903377] [<ffffffff810563ae>] ? kthread+0x0/0x8d > [ 593.903385] [<ffffffff8100c410>] ? child_rip+0x0/0x20 > [ 593.903391] ---[ end trace 816b51bf46b6656d ]--- This is a bug. For more discussion see this thread: http://marc.info/?t=124807676700001&r=1&w=2 You should try the patch given there. > And 2 minutes later, things are *still* not fine, and other things > are hanging as well. Since the 'events' thread is hung, both my mouse > and keyboard are dead (though alt-sysrq kept working, since it does its > magic behind 'events' back). Try the patch and see if it fixes the hang. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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