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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Computer freezes with kernel 3.11.0 / 3.12-rc1 (with bug 68235's patches applied) when dpm=1 on r600g (Cayman)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69723#c32">Comment # 32</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Computer freezes with kernel 3.11.0 / 3.12-rc1 (with bug 68235's patches applied) when dpm=1 on r600g (Cayman)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69723">bug 69723</a>
from <span class="vcard"><a class="email" href="mailto:alexandre.f.demers@gmail.com" title="Alexandre Demers <alexandre.f.demers@gmail.com>"> <span class="fn">Alexandre Demers</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=89246" name="attach_89246" title="journalctl from last couple of boot/hang cycles">attachment 89246</a> <a href="attachment.cgi?id=89246&action=edit" title="journalctl from last couple of boot/hang cycles">[details]</a></span>
journalctl from last couple of boot/hang cycles
This could be interesting:
I've been bisecting. The first usable kernel on Cayman with dpm was between
3.11-rc1 and 3.11-rc2. Before that, the system was unusable (major corruption).
So, with patches from related bug, I was able to start a session and run
applications until it hanged.
On Nov 15 00:19:51, I was booting with a safe kernel (before dpm was enabled,
a144acb).
On Nov 15 00:36:23, I booted with the kernel exhibiting a desired behavior.
Logged, ran tasks, hanged on Nov 15 00:41:03. Segfault in libLLVM-3.3.so and
possible recursive locking detected, followed by DEADLOCK.
However, I was unable to get the same result in the following boot.
Then switch to 3.12-rc7 to send journal.</pre>
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