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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BDW] GPU HANG: ecode 8:0:0x85dffffb, in Xorg [937], reason: Ring hung, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90091#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BDW] GPU HANG: ecode 8:0:0x85dffffb, in Xorg [937], reason: Ring hung, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90091">bug 90091</a>
from <span class="vcard"><a class="email" href="mailto:corsac@debian.org" title="Yves-Alexis <corsac@debian.org>"> <span class="fn">Yves-Alexis</span></a>
</span></b>
<pre>(In reply to Mika Kuoppala from <a href="show_bug.cgi?id=90091#c2">comment #2</a>)
<span class="quote">> ERROR: 0x00000008
> Invalid physical address in ROSTRM interface (PAVP)
>
> 0x1e0a18b0: 0x7a000004: PIPE_CONTROL: no write, no depth stall, no RC
> write flush, no inst flush
> 0x1e0a18b4: 0x00101002: destination address
> 0x1e0a18b8: 0x00000000: immediate dword low
> 0x1e0a18bc: 0x00000000: immediate dword high
> 0x1e0a18c8: 0x784d0000: 3D UNKNOWN: 3d_965 opcode = 0x784d
> 0x1e0a18cc: 0x71946400: 3D UNKNOWN: 3d_965 opcode = 0x7194
> 0x1e0a18d0: 0x78240000: 3D UNKNOWN: 3d_965 opcode = 0x7824
> 0x1e0a18d4: 0x00007ec1: MI_NOOP
>
> Head pointing to 0x1e0a18c8.
>
> Looks like PIPE_CONTROL is structured for gen < 8. That would mean DDX is
> not recent enough.</span >
DDX is 2.99.917. I can try git if needed, but I'd assume 2.99.917 already knows
about BDW? Would Xorg.0.log be helpful here?</pre>
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