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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 109790] [ 11.594966] [drm:r600_ring_test [radeon]] *ERROR* radeon: ring 0 test failed (scratch(0x850C)=0xCAFEDEAD)
Date: Wed, 27 Feb 2019 04:12:54 +0000	[thread overview]
Message-ID: <bug-109790-502-QJYvmxWSwg@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-109790-502@http.bugs.freedesktop.org/>


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https://bugs.freedesktop.org/show_bug.cgi?id=109790

--- Comment #3 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to baopeng from comment #0)
> Created attachment 143482 [details]
> error_dmesg
> 
> We enabled the Radeon OLAND series of graphics cards on ARM, very old
> graphics cards,
> The kernel is a 4.14 kernel and there is a problem with GPU acceleration not
> being enabled:
> The kernel initialization log is as follows, there are 2 errors, one is
> radeon 0000:43:00.0: failed VCE resume (-110).

This one is harmless.

> One is [drm:r600_ring_test [radeon]] *ERROR* radeon: ring 0 test failed
> (scratch(0x850C)=0xCAFEDEAD), this error causes the GPU acceleration
> function to be turned off.
> Can you ask me what it is, or how to position it next?

For this one, make sure you have this patch:
https://cgit.freedesktop.org/drm/drm/commit/?id=e02f5c1bb2283cfcee68f2f0feddcc06150f13aa
and also make sure your ARM platform supports cache coherence as required by
the PCI spec.

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  parent reply	other threads:[~2019-02-27  4:12 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-27  1:26 [Bug 109790] [ 11.594966] [drm:r600_ring_test [radeon]] *ERROR* radeon: ring 0 test failed (scratch(0x850C)=0xCAFEDEAD) bugzilla-daemon
2019-02-27  1:29 ` bugzilla-daemon
2019-02-27  1:30 ` bugzilla-daemon
2019-02-27  4:12 ` bugzilla-daemon [this message]
2019-02-27  8:22 ` bugzilla-daemon
2019-02-27  9:19 ` bugzilla-daemon

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