[Bug 111395] GPU HANG: ecode 9:0:0x86dfbff9, in Map-GL [6016], reason: Hang on render ring, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111395

--- Comment #16 from yugang <yugang.fan at intel.com> ---
(In reply to Kenneth Graunke from comment #14)
> (In reply to yugang from comment #8)
> > FYI.
> > 
> > https://bugs.freedesktop.org/show_bug.cgi?id=111396 also happened on same
> > platform, for your reference
> 
> Based on Chris's comment there, it sounds even more like a BO
> underallocation somewhere.  This could very well be fixed in a newer Mesa -
> we've fixed several of those in the last couple years, and your Mesa is a
> year out of date.  I understand that upgrading the kernel is difficult, but
> upgrading only Mesa (at least for testing purposes) should be a lot more
> doable.  It's worth trying that first.  Even if your customer can't actually
> upgrade, it may help you figure out what to backport.

@Kenneth, do you know if there have been some related patches/debug methods
which have fixed some bugs related to the BO underallocation? can you have a
check and provide some example of them so that we can evaluate current issue
and see if there are some log/method for further debug?

those two issues seriously blocked the customer's milestone, mesa/kernel
upgrade may only met requirements of future release.

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