[Bug 84500] [radeonsi] radeon 0000:01:00.0: Packet0 not allowed!

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84500

--- Comment #14 from Andy Furniss <adf.lists at gmail.com> ---
(In reply to Alexandre Demers from comment #13)
> (In reply to José Suárez from comment #12)
> > I compiled 3.17rc7 with the packet0 patch. You can find a dmesg log just
> > above this message.
> > 
> > Running firefox with RADEON_DUMP_CS=1 didn't produce any dump. Is it because
> > I need the mesa dbg packages (not currently installed)? I guess it should
> > appear on the console output, right? Or is it writen to a file? (Sorry about
> > those noob questions. First time debugging this kind of problem...)
> 
> It seems pretty much the same "signature" as the CS dump I had attached.
> 
> The CS dump is written in your dmesg log or systemd journal if I remember
> correctly.
> 
> On my side, I've been playing with a 3.16 with the patch applied and I've
> been unable to get a Packet0 error. So, it seems to have been introduced
> somewhere between 3.16 and 3.17-rc7. I'll try to bisect as soon as I'll have
> time (maybe not before next week).

FWIW I just grepped my kern.log for Packet0 and have 47 between Jul 4 and now.

Doing grep Packet0 /var/log/kern.log -B 860 | grep Microcode

Only comes up with pitcairn (lowercase = new firmware = 3.17)

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