Assert in nouveau_pushbuf_data
Submitted by Allan Sandfeld Jensen
Assigned to Nouveau Project
Description
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