[Bug 93301] ns2_linux32: radeon VM fault on Hawaii (+mmap errors) - bugzilla-daemon

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 93301] ns2_linux32: radeon VM fault on Hawaii (+mmap errors)
Date: Wed, 09 Dec 2015 20:28:49 +0000	[thread overview]
Message-ID: <bug-93301-502-mfCWK2GCNB@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-93301-502@http.bugs.freedesktop.org/>

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https://bugs.freedesktop.org/show_bug.cgi?id=93301

Nicolai Hähnle <nhaehnle@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |nhaehnle@gmail.com

--- Comment #15 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Created attachment 120440
  --> https://bugs.freedesktop.org/attachment.cgi?id=120440&action=edit
0001-XXX-winsys-radeon-limit-buffer-cache-size.patch

Following the hypothesis that your game is running out of address space, here
is a quick patch for Mesa that limits the buffer cache size to 4MB as a simple
test.

Try this (feel free to play around with the number in the patch), plus reducing
any graphics quality options the game may have to the minimum. Don't be
surprised if performance becomes worse.

Please also set the environment variable R600_DEBUG=info and provide the
output, as this allows us to see the default buffer cache size.

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