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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [r600] SUMO2 GPU lockup CP stall (kernel 3.2.47,3.4,3.8, 3.9, 3.10)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=63599#c34">Comment # 34</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [r600] SUMO2 GPU lockup CP stall (kernel 3.2.47,3.4,3.8, 3.9, 3.10)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=63599">bug 63599</a>
from <span class="vcard"><a class="email" href="mailto:wolneykien@gmail.com" title="Paul Wolneykien <wolneykien@gmail.com>"> <span class="fn">Paul Wolneykien</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=63599#c33">comment #33</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=63599#c32">comment #32</a>)
> > (In reply to <a href="show_bug.cgi?id=63599#c31">comment #31</a>)
> > > (In reply to <a href="show_bug.cgi?id=63599#c30">comment #30</a>)
> > > >
> > > > I've set each register values from fglrx-console.data and call xinit.
> > > > Lockup again, nothing changes.
> > >
> > > Does the patch in <a href="show_bug.cgi?id=63599#c29">comment 29</a> fix the issue for you? That patch is upstream
> > > now and should be in most stable kernels as well.
> >
> > To the pity, no. I've tested Linux 3.12 with the patch already applied and
> > it changes nothing. My chip is:
> >
> > $ lspci | grep 'VGA'
> > 00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
> > Sumo [Radeon HD 6480G]
> >
> > Is it really a SUMO2 chip or I should open a new bug?
>
> What's the numeric pci id (lspci -nn)? You should also see a line in the
> dmesg output like this:
> [ 1.758014] [drm] initializing kernel modesetting (SUMO 0x1002:0x9640
> 0x1458:0xD000).
>
> It will say SUMO or SUMO2 depending on which one you have.</span >
$ lspci -nn | grep 'VGA'
00:01.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] Sumo [Radeon HD 6480G] [1002:9649]
[ 188.599127] [drm] initializing kernel modesetting (SUMO 0x1002:0x9649
0x17AA:0x21EA).
Thus, is's SUMO isn't it? Should I try to use "max_hw_contexts = 4" for the
SUMO case or that's unreasonable?</pre>
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