Am 2013-10-28 15:42, schrieb Ilia Mirkin:
On Mon, Oct 28, 2013 at 3:45 AM, Martin Kaffanke <[email protected]> wrote:
Hi there,
Sometimes my computer crashes since i use now ubuntu 13.10 with
unity/compiz.
You're on NV4C. Do you have mesa 9.2.1 or later (or pre-9.2)? If you
have 9.2.0, there are known issues with shader compilation.
it is 9.2.1 as far as i can see in the package names containing mesa
(glx and dri)
dmesg tells me:
[ 686.209019] nouveau E[ PBUS][0000:00:0d.0] MMIO write of 0x00000000
FAULT at 0x00b020
Odd. That's VPE. You should have one... maybe not. Nothing to worry
about though. (Especially odd that it's showing up multiple times --
are you trying to use xvmc?)
At the moment I'm trying nothing, its the default installation, i didn't
change something.
Where do I have to look to find it out?
and later:
[ 1425.565441] nouveau E[ PGRAPH][0000:00:0d.0] ERROR nsource: DATA_ERROR
nstatus: BAD_ARGUMENT
[ 1425.565462] nouveau E[ PGRAPH][0000:00:0d.0] ch 3 [0x00056000
compiz[1970]] subc 2 class 0x0039 mthd 0x0314 data 0x031dc000
A bit more concerning:
$ lookup -a 4c -d NV01_SUBCHAN -- -v obj-class NV03_M2MF 0x0314 0x031dc000
PITCH_IN => 52281344
lookup seems not to work, the package 'lookup' seems to be a different
tool, right?
I'm sure that's above some limit. A pitch of 50MB... I wonder how
that's happening... If you feel like debugging, the place to look is
nv30_transfer.c (in mesa). Although I would think this would merely
cause misrendering, not crashes.
I'm not going to do that, because I really not that competent for that, even
if i know about c programming.
I also think that this can cause missrendering, and not crashes, but it
also seems
that there aren't stored any messages on the crash, maybe it crashes
before it can
write something to the harddisk?
But thank you for your help.
Martin
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