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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [NVE7] Unable to use nouveau"
href="https://bugs.freedesktop.org/show_bug.cgi?id=87942#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [NVE7] Unable to use nouveau"
href="https://bugs.freedesktop.org/show_bug.cgi?id=87942">bug 87942</a>
from <span class="vcard"><a class="email" href="mailto:bruno.pagani@ens-lyon.org" title="bruno.pagani@ens-lyon.org">bruno.pagani@ens-lyon.org</a>
</span></b>
<pre>cat /proc/cmdline returns nouveau.runpm=0 correctly, but optirun glxinfo is
still failing with the exact same error and:
[ 250.843476] nouveau E[ PBUS][0000:02:00.0] MMIO write of 0x00000000 FAULT
at 0x418880 [ IBUS ]
[ 250.843564] nouveau E[ PIBUS][0000:02:00.0] GPC0: 0x419eb4 0xbadf1000
(0x3800820c)
[ 250.843617] nouveau E[ PBUS][0000:02:00.0] MMIO write of 0x3f800000 FAULT
at 0x405804 [ IBUS ]
[ 250.843773] nouveau E[ PIBUS][0000:02:00.0] HUB0: 0x404170 0x00000012
(0x0e008201)
[ 252.845769] nouveau E[ PGRAPH][0000:02:00.0] HUB_INIT timed out
[ 252.845777] nouveau E[ PGRAPH][0000:02:00.0] 409000 - done 0x00000204
[ 252.845787] nouveau E[ PGRAPH][0000:02:00.0] 409000 - stat 0x00000000
0x00000000 0x00000000 0x00000000
[ 252.845796] nouveau E[ PGRAPH][0000:02:00.0] 409000 - stat 0x00000000
0x00000000 0x00000002 0x00000009
[ 252.845799] nouveau E[ PGRAPH][0000:02:00.0] 502000 - done 0x00000300
[ 252.845804] nouveau E[ PGRAPH][0000:02:00.0] 502000 - stat 0x00000000
0x00000000 0x00000000 0x00000000
[ 252.845808] nouveau E[ PGRAPH][0000:02:00.0] 502000 - stat 0x00000000
0x00000000 0x00000000 0x00000000
[ 252.845810] nouveau E[ PGRAPH][0000:02:00.0] init failed, -16
And as for what is concerning PRIME, commenting the AutoAddGPU device didn’t
changed anything, except for Xorg.0.log reporting this obviously:
[ 136.219] (==) Automatically adding GPU devices
It think the issue is somewhere here (from the page you’ve linked):
KMS drivers for both GPUs loaded.
DDX drivers for both GPUs loaded.
nouveau does not load automatically at boot, I need to modprobe it manually. Is
there a way to check or ensure nouveau KMS is loaded?</pre>
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