https://bugs.freedesktop.org/show_bug.cgi?id=84500
--- Comment #14 from Andy Furniss adf.lists@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)