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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [ILK/BDW]igt/gem_evict_everything subcases minor-interruptible and minor-normal fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79573#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [ILK/BDW]igt/gem_evict_everything subcases minor-interruptible and minor-normal fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79573">bug 79573</a>
from <span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=100501" name="attach_100501" title="dmesg">attachment 100501</a> <a href="attachment.cgi?id=100501&action=edit" title="dmesg">[details]</a></span>
dmesg
(In reply to <a href="show_bug.cgi?id=79573#c3">comment #3</a>)
<span class="quote">> I've refined the load calculation, fearing that we have an integer overflow.
> Can you please recheck with IGT_LOG_LEVEL=debug, i.e.
>
> IGT_LOG_LEVEL=debug ./gem_evict_everything --run-subtest minor-interruptible
>
>
> commit a1a8aa16fb4e27a267f4ac12883419114a020dd7
> Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
> Date: Thu Jun 5 13:19:39 2014 +0100
>
> igt/gem_evict_everything: Compute number of surfaces to saturate the
> aperture
>
> The goal is to only fill the aperture, not all of memory, so fine-tune
> the computed number of surfaces, hopefully avoiding an integer overflow
> in the process.
>
> References: <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [ILK/BDW]igt/gem_evict_everything subcases minor-interruptible and minor-normal fail"
href="show_bug.cgi?id=79573">https://bugs.freedesktop.org/show_bug.cgi?id=79573</a>
> Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>></span >
Test on latest igt: 9a70e29f8380c2fc6f9b43757c68e24bf2619061, the result was
skip.
Output:
IGT_LOG_LEVEL=debug ./gem_evict_everything --run-subtest minor-interruptible
IGT-Version: 1.6-g9a70e29 (x86_64) (Linux:
3.15.0-rc7_drm-intel-nightly_0a37b5_20140604+ x86_64)
Checking 4097 surfaces of size 1048576 bytes (total 4298117120) against RAM
Estimated that we need 4298117120 bytes for the test, but only have 3904897024
bytes available (RAM)
Test requirement not met in function minor_evictions, file
eviction_common.c:79:
Last errno: 0, Success
Test requirement: (!(intel_check_memory(total_surfaces, surface_size, 0x1)))
Subtest minor-interruptible: SKIP</pre>
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