<html>
<head>
<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW Regression]igt/kms_flip/flip-vs-fences fails with OOM killer"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76308">76308</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BDW Regression]igt/kms_flip/flip-vs-fences fails with OOM killer
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=95991" name="attach_95991" title="dmesg">attachment 95991</a> <a href="attachment.cgi?id=95991&action=edit" title="dmesg">[details]</a></span>
dmesg
System Environment:
--------------------------
Platform: Broadwell
kernel: (drm-intel-nightly)b1859622badb7509586987af5269aa525a0c112f
Bug detailed description:
-------------------------
It fails with OOM killer on Broadwell with -nightly kernel, and doesn't happen
on -fixes, -queued, drm-next, drm-fixes and core-stuff branch.
igt/kms_flip/flip-vs-fences-interruptible also fails.
It doesn't happen on commit: 32faf6da913d67a4a3fcddd810305ec3445ed581(-nightly
branch)
output:
IGT-Version: 1.6-g10571b8 (x86_64) (Linux:
3.14.0-rc6_drm-intel-nightly_b18596_20140314+ x86_64)
Using monotonic timestamps
Beginning flip-vs-fences on crtc 3, connector 10
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
...............................................................................................................................
flip-vs-fences on crtc 3, connector 10: PASSED
Beginning flip-vs-fences on crtc 5, connector 10
1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
..............................Killed
[ 158.480224] Call Trace:
[ 158.480237] [<ffffffff817170e3>] ? dump_stack+0x41/0x51
[ 158.480244] [<ffffffff817143b1>] ? dump_header.isra.8+0x69/0x191
[ 158.480253] [<ffffffff8107225e>] ? ktime_get_ts+0x49/0xab
[ 158.480262] [<ffffffff812d6cf2>] ? ___ratelimit+0xae/0xc8
[ 158.480271] [<ffffffff810a7244>] ? oom_kill_process+0x76/0x32c
[ 158.480278] [<ffffffff810a7009>] ? find_lock_task_mm+0x22/0x6e
[ 158.480288] [<ffffffff8103af8a>] ? has_ns_capability_noaudit+0xe/0x15
[ 158.480295] [<ffffffff810a7a79>] ? out_of_memory+0x41c/0x44f
[ 158.480301] [<ffffffff810ab2bd>] ? __alloc_pages_nodemask+0x680/0x78d
[ 158.480310] [<ffffffff810d4a2b>] ? alloc_pages_current+0xbf/0xdc
[ 158.480317] [<ffffffff810a6196>] ? filemap_fault+0x25c/0x381
[ 158.480325] [<ffffffff810bc2a1>] ? __do_fault+0xac/0x3bf
[ 158.480332] [<ffffffff810bfa31>] ? handle_mm_fault+0x1e7/0x7e2
[ 158.480341] [<ffffffff8171f4bd>] ? __do_page_fault+0x42e/0x47b
[ 158.480348] [<ffffffff81038055>] ? timespec_add_safe+0x1e/0x4d
[ 158.480353] [<ffffffff810f08e8>] ? dput+0x16/0xeb
[ 158.480359] [<ffffffff8107225e>] ? ktime_get_ts+0x49/0xab
[ 158.480368] [<ffffffff810edcfa>] ? poll_select_copy_remaining+0xe0/0xf6
[ 158.480374] [<ffffffff8171ca72>] ? page_fault+0x22/0x30
[ 158.480377] Mem-Info:
[ 158.480380] Node 0 DMA per-cpu:
[ 158.480385] CPU 0: hi: 0, btch: 1 usd: 0
[ 158.480389] CPU 1: hi: 0, btch: 1 usd: 0
[ 158.480392] CPU 2: hi: 0, btch: 1 usd: 0
[ 158.480396] CPU 3: hi: 0, btch: 1 usd: 0
[ 158.480398] Node 0 DMA32 per-cpu:
[ 158.480403] CPU 0: hi: 186, btch: 31 usd: 0
[ 158.480407] CPU 1: hi: 186, btch: 31 usd: 0
[ 158.480410] CPU 2: hi: 186, btch: 31 usd: 0
[ 158.480413] CPU 3: hi: 186, btch: 31 usd: 0
[ 158.480436] Node 0 Normal per-cpu:
[ 158.480440] CPU 0: hi: 186, btch: 31 usd: 0
[ 158.480443] CPU 1: hi: 186, btch: 31 usd: 0
[ 158.480446] CPU 2: hi: 186, btch: 31 usd: 0
[ 158.480449] CPU 3: hi: 186, btch: 31 usd: 0
Reproduce steps:
----------------------------
1. ./kms_flip --run-subtest flip-vs-fences</pre>
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