Messages in this thread | | | Date | Tue, 19 Mar 2013 19:29:43 -0600 | From | Stephen Warren <> | Subject | Re: [Regression] process hangs due to "USB: EHCI: work around silicon bug in Intels EHCI controllers" |
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On 03/19/2013 06:03 PM, Andreas Bombe wrote: > The named commit (6402c796d3) causes a process to hang indefinitely in > usb_kill_urb(). Reverting it fixes the problem. The bug also prevents > suspend/shutdown/reboot from completing, presumably due to the hanging > process. > > (Cc'ing Stephen Warren because I only found his report after I bisected > it myself. Do you also see a blocked process?)
Yes, I believe the symptoms we're both seeing are identical.
> This is the hanging process on my system: > [ 240.364085] INFO: task colord-sane:3619 blocked for more than 120 seconds. ... > [ 240.364118] Call Trace: > [ 240.364127] [<ffffffff81685af0>] schedule+0x65/0x67 > [ 240.364132] [<ffffffff8141a235>] usb_kill_urb+0xb5/0xd3
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