[Bug 84101] New: A crash upon boot

[Bug 84101] New: A crash upon boot

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=84101

          Priority: medium
            Bug ID: 84101
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
           Summary: A crash upon boot
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: danny_archer-97jfqw80gc6171pxa8y+qA@public.gmane.org
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 106557
  --> https://bugs.freedesktop.org/attachment.cgi?id=106557&action=edit
vbios

OS: Slackware current
X.Org X Server 1.15.2
kernel version 3.16.3 (although I had a similar crash on an earlier version
too, probably 3.15)


The log is here http://ur1.ca/i7ro4

My computer crashed while booting. This happened to me before once a month or
two ago. Both times I switched off the computer and it booted ok after
switching it on again. Except for these to cases I haven't experienced any
stability issues.

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[Bug 84101] A crash upon boot

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=84101

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #106557|text/plain                  |application/octet-stream
          mime type|                            |

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[Bug 84101] A crash upon boot

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=84101

--- Comment #1 from danny_archer-97jfqw80gc6171pxa8y+qA@public.gmane.org ---
Created attachment 106558
  --> https://bugs.freedesktop.org/attachment.cgi?id=106558&action=edit
kern.log

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[Bug 84101] [NV96] null deref in nouveau_i2c_acquire_pad, triggered by xcmddc

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=84101

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|A crash upon boot           |[NV96] null deref in
                   |                            |nouveau_i2c_acquire_pad,
                   |                            |triggered by xcmddc

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[Bug 84101] [NV96] null deref in nouveau_i2c_acquire_pad, triggered by xcmddc

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=84101

--- Comment #2 from danny_archer-97jfqw80gc6171pxa8y+qA@public.gmane.org ---
Created attachment 106600
  --> https://bugs.freedesktop.org/attachment.cgi?id=106600&action=edit
kern.log

It happened again. I was able to log in over ssh and poweroff the machine. The
consequent boot went without any issues.

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[Bug 84101] [NV96] null deref in nouveau_i2c_acquire_pad, triggered by xcmddc

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=84101

--- Comment #3 from danny_archer-97jfqw80gc6171pxa8y+qA@public.gmane.org ---
Created attachment 110997
  --> https://bugs.freedesktop.org/attachment.cgi?id=110997&action=edit
Another kernel log

I had another crash that seems to be caused by the same thing. Kernel version:
3.18.1

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[Bug 84101] [NV96] null deref in nouveau_i2c_acquire_pad, triggered by xcmddc

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=84101

--- Comment #4 from hong-fMnCZbbUwqqsTnJN9+BGXg@public.gmane.org ---
I can reproduce a similar issue by unplug and replug in the display cable. I'll
attach the crashed log and other dmesg information.

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[Bug 84101] [NV96] null deref in nouveau_i2c_acquire_pad, triggered by xcmddc

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=84101

--- Comment #5 from hong-fMnCZbbUwqqsTnJN9+BGXg@public.gmane.org ---
Created attachment 111988
  --> https://bugs.freedesktop.org/attachment.cgi?id=111988&action=edit
dmesg

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[Bug 84101] [NV96] null deref in nouveau_i2c_acquire_pad, triggered by xcmddc

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=84101

--- Comment #6 from hong-fMnCZbbUwqqsTnJN9+BGXg@public.gmane.org ---
Created attachment 111989
  --> https://bugs.freedesktop.org/attachment.cgi?id=111989&action=edit
The log shows the backtrace of the crash

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[Bug 84101] [NV96] null deref in nouveau_i2c_acquire_pad, triggered by xcmddc

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=84101

--- Comment #7 from hong-fMnCZbbUwqqsTnJN9+BGXg@public.gmane.org ---
Created attachment 111990
  --> https://bugs.freedesktop.org/attachment.cgi?id=111990&action=edit
VBIOS.rom

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[Bug 84101] [NV96] null deref in nouveau_i2c_acquire_pad, triggered by xcmddc

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=84101

--- Comment #8 from hong-fMnCZbbUwqqsTnJN9+BGXg@public.gmane.org ---
For me the problem disappeared in Linux version 4.1. HTH.

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[Bug 84101] [NV96] null deref in nouveau_i2c_acquire_pad, triggered by xcmddc

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=84101

Hans de Goede <jwrdegoede-rxtnV0ftBwyoClj4AeEUq9i2O/JbrIOy@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #9 from Hans de Goede <jwrdegoede-rxtnV0ftBwyoClj4AeEUq9i2O/JbrIOy@public.gmane.org> ---
The code path in question has been rewritten and recent kernels no longer have
nouveau_i2c_acquire_pad, closing this.

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