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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - qemu using spice gl and sandbox resourcecontrol=deny crashes with SIGSYS on radeonsi"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109695#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - qemu using spice gl and sandbox resourcecontrol=deny crashes with SIGSYS on radeonsi"
href="https://bugs.freedesktop.org/show_bug.cgi?id=109695">bug 109695</a>
from <span class="vcard"><a class="email" href="mailto:maraeo@gmail.com" title="Marek Olšák <maraeo@gmail.com>"> <span class="fn">Marek Olšák</span></a>
</span></b>
<pre>(In reply to Daniel P. Berrange from <a href="show_bug.cgi?id=109695#c4">comment #4</a>)
<span class="quote">> I'm curious what motivated this change to start with ? Even if QEMU was not
> enforcing seccomp filters, I think I'd consider it a bug for mesa to be
> setting its process affinity in this way. The mgmt application or sysadmin
> has decided that the process must have a certain affinity, based on how
> it/they want the host CPUs utilized. Why is mesa wanting to override this
> administrative policy decision to restrict CPU usage ?</span >
The correct solution is to fix pthread_setaffinity such that it returns an
error code instead of crashing.
An even better solution would be to have a virtual thread affinity that only
the application can see and change, which should be silently masked by
administrative policies not visible to the application.</pre>
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