[Bug 81644] Random crashes on RadeonSI with Chromium.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81644

--- Comment #136 from Alex Deucher <agd5f at yahoo.com> ---
(In reply to comment #131)
> 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!

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.

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