[Bug 87278] Packet0 not allowed and GPU fault detected errors with Serious Engine games

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87278

--- Comment #5 from Alexandre Demers <alexandre.f.demers at gmail.com> ---
(In reply to Daniel Scharrer from comment #0)
> Created attachment 110808 [details]
> dmesg output with the GPU fault errors filtered out
> 
> Running Serious Sam 3 or The Talos Principle spams dmesg with thousands of
> these errors:
> 
> [ 6001.212237] radeon 0000:01:00.0: GPU fault detected: 147 0x02528801
> [ 6001.212243] radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR  
> 0x0FF02192
> [ 6001.212246] radeon 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS
> 0x12088001
> [ 6001.212249] VM fault (0x01, vmid 9) at page 267395474, read from TC (136)
> 
> There are also a few "Packet0 not allowed" errors (followed by a hex dump):
> 
> [15446.473341] radeon 0000:01:00.0: Packet0 not allowed!
> 
> So far it's only these errors in dmesg - I haven't observed any actual
> rendering issues, crashes, GPU lockups because of this.
> 
> I have only attached a filtered kernel log with the GPU fault errors removed
> - the full log is available at http://constexpr.org/tmp/serious-dmesg.log
> (140 MiB).
> 
> Both of these games use the Serious Engine 3.5 (Serious Sam 3) or 4 (The
> Talos Principle). This is also reproducible with The Talos Principle Public
> Test which as of now is still available as a free download on Steam.
> 
> Kernel: 3.18.0-gentoo
> GPU: Radeon HD 7950
> Driver: radeonsi, Mesa 10.5.0-devel (git-ff96537)
> 
> This might be related to bug 84500 - however those spurious Packet0 have
> been gone for a while now with updated Mesa - now I got them again but only
> while running Serious Engine games.

I haven't had a look at the log when launching SS3, but for sure it crashes in
no time. It crashes in no time once in a game. It could be related to your bug.
However, I think the VM and the Packet 0 are different bugs. I'll have a look
in the logs if I get something similar.

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20141217/0b612a6a/attachment.html>