<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BSW clflush] igt/gem_partial_pwrite_pread subtests fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92845#c11">Comment # 11</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BSW clflush] igt/gem_partial_pwrite_pread subtests fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92845">bug 92845</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>fwiw, I have written a test that seems to disprove the clflush theory.
(gem_concurrent_blit:714) CRITICAL: Test assertion failure function prw_cmp_bo,
file gem_concurrent_all.c:112:
(gem_concurrent_blit:714) CRITICAL: Failed assertion: vaddr[i] == val
(gem_concurrent_blit:714) CRITICAL: error: 0xdeadbeef != 0xdeadbeec
Stack trace:
#0 [__igt_fail_assert+0xf1]
#1 [prw_cmp_bo+0x8b]
#2 [<unknown>+0x8b]
child 1 failed with exit status 99
Subtest 16MiB-tiny-prw-render-write-read-bcs-forked failed.
**** DEBUG ****
(gem_concurrent_blit:610) ioctl-wrappers-DEBUG: Test requirement passed:
__gem_set_caching(fd, handle, caching) == 0
**** END ****
Subtest 16MiB-tiny-prw-render-write-read-bcs-forked: FAIL (0.873s)
et al.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
<li>You are the QA Contact for the bug.</li>
</ul>
</body>
</html>