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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - WARN_ON(!(old->frontbuffer_bits & frontbuffer_bits))"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91866#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - WARN_ON(!(old->frontbuffer_bits & frontbuffer_bits))"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91866">bug 91866</a>
from <span class="vcard"><a class="email" href="mailto:rauchwolke@gmx.net" title="rauchwolke@gmx.net">rauchwolke@gmx.net</a>
</span></b>
<pre>i get the same here, seems the error is sometimes triggered when i play a video
with mpv
[133382.204471] WARNING: CPU: 1 PID: 3469 at
drivers/gpu/drm/i915/i915_gem.c:5269 i915_gem_track_fb+0xf8/0x130()
[133382.204473] WARN_ON(!(old->frontbuffer_bits & frontbuffer_bits))
[133382.204478] CPU: 1 PID: 3469 Comm: X Tainted: G W 4.2.2 #2
[133382.204484] 0000000000000000 ffffffff81f83550 ffffffff81b5f524
ffff880406f0bbc8
[133382.204488] ffffffff81106cb2 ffff88040b1c5200 ffff88040b1c5200
0000000000000010
[133382.204492] ffff88040b1c5200 0000000000000010 ffffffff81106d65
ffffffff81f837f0
[133382.204495] Call Trace:
[133382.204501] [<ffffffff81b5f524>] ? dump_stack+0x40/0x50
[133382.204507] [<ffffffff81106cb2>] ? warn_slowpath_common+0x72/0xb0
[133382.204511] [<ffffffff81106d65>] ? warn_slowpath_fmt+0x45/0x50
[133382.204515] [<ffffffff815d54b8>] ? i915_gem_track_fb+0xf8/0x130
[133382.204521] [<ffffffff816128da>] ? intel_prepare_plane_fb+0xda/0x190
[133382.204526] [<ffffffff815851fd>] ?
drm_atomic_helper_prepare_planes+0x4d/0xd0
[133382.204531] [<ffffffff81623b56>] ? intel_atomic_commit+0x36/0xf0
[133382.204534] [<ffffffff8158611e>] ?
drm_atomic_helper_plane_set_property+0x7e/0xc0
[133382.204541] [<ffffffff8159ab2f>] ? drm_mode_plane_set_obj_prop+0x1f/0x70
[133382.204546] [<ffffffff8159ae0c>] ?
drm_mode_obj_set_property_ioctl+0x1fc/0x240
[133382.204550] [<ffffffff8158e3da>] ? drm_ioctl+0x2fa/0x560
[133382.204555] [<ffffffff8159ac10>] ?
drm_mode_obj_get_properties_ioctl+0x90/0x90
[133382.204561] [<ffffffff8121b9c1>] ? fsnotify+0x2c1/0x3c0
[133382.204566] [<ffffffff811f798c>] ? do_vfs_ioctl+0x2bc/0x4a0
[133382.204570] [<ffffffff811e7442>] ? vfs_write+0x152/0x190
[133382.204576] [<ffffffff8141e87d>] ? security_file_ioctl+0x3d/0x60
[133382.204580] [<ffffffff811f7bdf>] ? SyS_ioctl+0x6f/0x80
[133382.204584] [<ffffffff81b69bd7>] ? entry_SYSCALL_64_fastpath+0x12/0x6a
[133382.204587] ---[ end trace e872fcca86ba70b8 ]---</pre>
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