From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 93649] [radeonsi] Graphics lockup while playing tf2
Date: Mon, 24 Oct 2016 19:54:35 +0000 [thread overview]
Message-ID: <bug-93649-502-HGE3SBzbX5@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-93649-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=93649
--- Comment #49 from Marek Olšák <maraeo@gmail.com> ---
(In reply to Marek Olšák from comment #48)
> Does this fix the hangs?
> https://cgit.freedesktop.org/mesa/mesa/commit/
> ?id=d4d9ec55c589156df4edc227a86b4a8c41048d58
>
> It changes the HTILE (HyperZ) allocation function to
> r600_aligned_buffer_create. Without that, the hardware can hang on big GPUs
> (Tahiti/Pitcairn/Hawaii/Tonga/etc), but not APUs or small GPUs. The hang
> happens when TTM decides to move HTILE to a different location with an
> unaligned physical address (which is pretty random). The hardware tries to
> access the unaligned address and boom.
Actually, I think that commit only affects Hawaii and Fiji. Other GPUs might be
unaffected, which means the Tahiti hangs are due to a different bug.
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2016-01-10 5:11 [Bug 93649] [radeonsi] Graphics lockup while playing tf2 bugzilla-daemon
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