From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 81644] Random crashes on RadeonSI with Chromium.
Date: Sat, 27 Sep 2014 11:33:30 +0000 [thread overview]
Message-ID: <bug-81644-502-FahGacAVoP@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-81644-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=81644
--- Comment #127 from Alexandre Demers <alexandre.f.demers@gmail.com> ---
(In reply to comment #126)
> (In reply to comment #119)
> > Small question Alex Deucher or Christian may answer: is it normal ring 5 is
> > completely in a different GPU's memory address area?
> > [ 9.353518] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr
> > 0x00000000c0000c00 and cpu addr 0xffff880411a25c00
> > [ 9.353519] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr
> > 0x00000000c0000c04 and cpu addr 0xffff880411a25c04
> > [ 9.353521] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr
> > 0x00000000c0000c08 and cpu addr 0xffff880411a25c08
> > [ 9.353522] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr
> > 0x00000000c0000c0c and cpu addr 0xffff880411a25c0c
> > [ 9.353524] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr
> > 0x00000000c0000c10 and cpu addr 0xffff880411a25c10
> > [ 9.356425] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr
> > 0x0000000000075a18 and cpu addr 0xffffc90015fb5a18
> >
> > rings 0 to 4 are all in the same gpu address subset, but not ring 5?
>
> Yes that's perfectly normal. Ring 5 is the UVD ring and that needs to have
> it's fence in the first 256MB of VRAM.
Thank you Christian for your quick explanation. Can we suspect the problem to
be withing the UVD code then if:
- crashes are mostly happening when watching videos (flash or html5 in whatever
browser);
- logs points to ring 5 not responding for some time?
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next prev parent reply other threads:[~2014-09-27 11:33 UTC|newest]
Thread overview: 151+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-22 15:50 [Bug 81644] New: Random crashes on RadeonSI with Chromium bugzilla-daemon
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