[Intel-gfx] More crashes with intel driver 1.10.4 and corrupted stack traces for GM45

[Marc MERLIN]

On Wed, Dec 14, 2011 at 12:04:03AM +0100, Daniel Vetter wrote:
> > > One of my X logs had some of these:
> > > [1535818.200] (WW) intel(0): intel_uxa_prepare_access: bo map failed: No space left on device
> > > [1535818.208] (WW) intel(0): intel_uxa_prepare_access: bo map failed: No space left on device
> > > [1535818.208] (WW) intel(0): intel_uxa_prepare_access: bo map failed: No space left on device
> 
> This one sounds like a vma exhausting issue Chris Wilson recently fixed.
> Please retest with the latest versions of xf86-video-intel and libdrm from
> git.

On Tue, Dec 13, 2011 at 11:16:17PM +0000, Chris Wilson wrote:
> On Tue, 13 Dec 2011 14:13:18 -0800, Marc MERLIN <marc_xorg at merlins.org> wrote:
> > On Sun, Dec 11, 2011 at 12:32:00PM -0800, Marc MERLIN wrote:
> > > Hi Eugeni and other folks on this list,
> > 
> > Am I sending this to the wrong place or is GM45 unsupported?
> 
> Apologies, it is a known issue. I was thrown by the bizarre stack trace,
> but it seems like it just the mmap failure blowing up in spectacular
> fashion. The ENOSPC issues arises from when we have either exhausted
> or badly fragmented the (on your system presumably) 32-bits of address
> space for GTT mappings such that we are no longer able to allocate new
> ones. I have recently begun to take a similar issue whereby we exhausted
> the per-process map limit with over 65,000 vma keep open. The solution
> there of capping the number of cached vma is likely to resolve this
> problem as well.

Since I'm a newbie at thie, there isn't a 'head' per se, and I see that
not all patches are production ready.
Could you point me on what I could sync from and that would be
reasonably likely to work? :)

Thanks,
Marc
-- 
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