[Bug 91632] New: Crash in nouveau - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 91632] New: Crash in nouveau
Date: Fri, 14 Aug 2015 08:26:09 +0000	[thread overview]
Message-ID: <bug-91632-8800@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=91632

            Bug ID: 91632
           Summary: Crash in nouveau
           Product: Mesa
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: kde-7WRYCqIwvBxWk0Htik3J/w@public.gmane.org
        QA Contact: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org

I have been looking into why QtWebEngine crashes with the nouveau driver, but
the crashes appears asserts in the driver and not our code.

Any idea about what could trigger it:

#3  0x00007ffff0f032d2 in __GI___assert_fail
(assertion=assertion@entry=0x7fffe1d77aa9 "kref", 
    file=file@entry=0x7fffe1d77a8a "../../nouveau/pushbuf.c",
line=line@entry=726, 
    function=function@entry=0x7fffe1d77ad0 <__PRETTY_FUNCTION__.6213>
"nouveau_pushbuf_data") at assert.c:101
#4  0x00007fffe1d76284 in nouveau_pushbuf_data (push=push@entry=0x598d40,
bo=0x5ace30, offset=115624, length=20)
    at ../../nouveau/pushbuf.c:726
#5  0x00007fffe1d761cb in nouveau_pushbuf_data (push=push@entry=0x598d40,
bo=bo@entry=0x0, offset=offset@entry=0, 
    length=length@entry=0) at ../../nouveau/pushbuf.c:718
#6  0x00007fffe1d762ea in pushbuf_submit (push=push@entry=0x598d40,
chan=<optimized out>, chan=<optimized out>)
    at ../../nouveau/pushbuf.c:329
#7  0x00007fffe1d7656e in pushbuf_flush (push=push@entry=0x598d40) at
../../nouveau/pushbuf.c:404
#8  0x00007fffe1d77180 in nouveau_pushbuf_kick (push=0x598d40, chan=<optimized
out>) at ../../nouveau/pushbuf.c:778
#9  0x00007fffe246d766 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
#10 0x00007fffe2182024 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
<snip>
#15 0x00007ffff1cda345 in glXMakeCurrentReadSGI () from
/usr/lib/x86_64-linux-gnu/libGL.so.1

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