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<body><span class="vcard"><a class="email" href="mailto:daniel@ffwll.ch" title="Daniel Vetter <daniel@ffwll.ch>"> <span class="fn">Daniel Vetter</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ilk regression] vblank stall in process exit wtf"
href="https://bugs.freedesktop.org/show_bug.cgi?id=78383">bug 78383</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Summary</td>
<td>piglit + igt has racy process exit apparently
</td>
<td>[ilk regression] vblank stall in process exit wtf
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ilk regression] vblank stall in process exit wtf"
href="https://bugs.freedesktop.org/show_bug.cgi?id=78383#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ilk regression] vblank stall in process exit wtf"
href="https://bugs.freedesktop.org/show_bug.cgi?id=78383">bug 78383</a>
from <span class="vcard"><a class="email" href="mailto:daniel@ffwll.ch" title="Daniel Vetter <daniel@ffwll.ch>"> <span class="fn">Daniel Vetter</span></a>
</span></b>
<pre>Well, I'm still an idiot: kms_flip isn't a zombie yet, just dying:
[59495.529222] kms_flip D ffff88023bd142c0 0 5136 1 0x00000002
[59495.529230] ffff8802270ef9a8 0000000000000046 ffff88022c714a80
00000000000142c0
[59495.529239] ffff8802270effd8 00000000000142c0 ffff880230146670
ffff88022c714a80
[59495.529248] ffff8802270efa08 ffff88022d66b000 ffff88022cfb7de0
ffff88022d09e800
[59495.529257] Call Trace:
[59495.529263] [<ffffffff816bb4f9>] schedule+0x29/0x70
[59495.529307] [<ffffffffa00beb05>]
intel_crtc_wait_for_pending_flips+0x75/0x110 [i915]
[59495.529317] [<ffffffff810c55d0>] ? bit_waitqueue+0xd0/0xd0
[59495.529352] [<ffffffffa00c7c23>] intel_crtc_disable_planes+0x33/0x1b0
[i915]
[59495.529388] [<ffffffffa00c80cd>] ironlake_crtc_disable+0x4d/0x920 [i915]
[59495.529424] [<ffffffffa00c97d7>] __intel_set_mode+0x297/0x15c0 [i915]
[59495.529437] [<ffffffff816b4297>] ? printk+0x61/0x63
[59495.529471] [<ffffffffa00cd016>] intel_set_mode+0x16/0x30 [i915]
[59495.529509] [<ffffffffa00cde73>] intel_crtc_set_config+0x903/0xe90 [i915]
[59495.529517] [<ffffffff810be36e>] ? enqueue_task_fair+0x32e/0x540
[59495.529553] [<ffffffffa00bfd0b>] ? intel_user_framebuffer_destroy+0x6b/0xd0
[i915]
[59495.529581] [<ffffffffa003c4c9>] drm_mode_set_config_internal+0x69/0xf0
[drm]
[59495.529606] [<ffffffffa003ce01>] drm_framebuffer_remove+0xe1/0x140 [drm]
[59495.529630] [<ffffffffa0040e24>] drm_fb_release+0x94/0xc0 [drm]
[59495.529648] [<ffffffffa0031df8>] drm_release+0x4c8/0x5a0 [drm]
[59495.529656] [<ffffffff811d2867>] __fput+0xe7/0x1f0
[59495.529663] [<ffffffff811d29be>] ____fput+0xe/0x10
[59495.529670] [<ffffffff810a0525>] task_work_run+0xc5/0xe0
[59495.529678] [<ffffffff8108421e>] do_exit+0x2be/0xa30
[59495.529687] [<ffffffff811d14fc>] ? vfs_write+0x16c/0x1d0
[59495.529699] [<ffffffff81084a1f>] do_group_exit+0x3f/0xa0
[59495.529711] [<ffffffff81084a97>] SyS_exit_group+0x17/0x20
[59495.529721] [<ffffffff816c7329>] system_call_fastpath+0x16/0x1b</pre>
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