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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Random crashes on RadeonSI with Chromium."
href="https://bugs.freedesktop.org/show_bug.cgi?id=81644#c136">Comment # 136</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Random crashes on RadeonSI with Chromium."
href="https://bugs.freedesktop.org/show_bug.cgi?id=81644">bug 81644</a>
from <span class="vcard"><a class="email" href="mailto:agd5f@yahoo.com" title="Alex Deucher <agd5f@yahoo.com>"> <span class="fn">Alex Deucher</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=81644#c131">comment #131</a>)
<span class="quote">> I have just played a youtube video (coincidentally the youtube message from
> AMD's John Byrne regarding Catalyst!) and I have just checked that the
> following messages show up in the dmesg log:
>
> [ 2053.298531] radeon 0000:05:00.0: Packet0 not allowed!
> [ 2058.548486] radeon 0000:05:00.0: Packet0 not allowed!
> [ 2166.793537] radeon 0000:05:00.0: Packet0 not allowed!</span >
These indicate that userspace is sending a broken command stream (e.g., a bad
count for a packet most likely). The kernel will reject the command stream if
a bad one is encountered. There still could be a bug in the command stream
setup in userspace that is just masked in other cases due to the layout of the
commands.</pre>
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