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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 107898] "kfd: Failed to resume IOMMU for device 1002:15dd" on Raven Ridge
Date: Thu, 20 Sep 2018 09:00:17 +0000	[thread overview]
Message-ID: <bug-107898-502-ZKeQPAvAiG@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-107898-502@http.bugs.freedesktop.org/>


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https://bugs.freedesktop.org/show_bug.cgi?id=107898

--- Comment #9 from Marvin Damschen <marvin.damschen@gullz.de> ---
ROCm 1.9 runs OpenCL on GPU on top of mainline kfd and seems stable. However:
- CPU is not detected as a compute device (rocminfo attached)
- Performance, at least in darktable, is quite low (the "bench.SRW" benchmark
in OpenCL on GPU takes more than 3 times longer than on CPU without OpenCL).
The problem could be that memory buffers are too small, clinfo reports:
"Max memory allocation                           268435456 (256MiB)"
which seems quite small to me (?).

Are these problems a result of incorrect information in CRAT?

Best regards
Marvin

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  parent reply	other threads:[~2018-09-20  9:00 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-11  7:33 [Bug 107898] "kfd: Failed to resume IOMMU for device 1002:15dd" on Raven Ridge bugzilla-daemon
2018-09-11  8:49 ` bugzilla-daemon
2018-09-11  8:53 ` bugzilla-daemon
2018-09-11 20:48 ` bugzilla-daemon
2018-09-12  5:19 ` bugzilla-daemon
2018-09-12  5:21 ` bugzilla-daemon
2018-09-12 10:16 ` bugzilla-daemon
2018-09-12 10:17 ` bugzilla-daemon
2018-09-13 20:05 ` bugzilla-daemon
2018-09-14  7:40 ` bugzilla-daemon
2018-09-20  9:00 ` bugzilla-daemon [this message]
2018-09-20  9:01 ` bugzilla-daemon
2018-10-01 18:40 ` bugzilla-daemon
2018-10-10 12:07 ` bugzilla-daemon
2018-11-14 10:44 ` bugzilla-daemon
2019-11-19  7:53 ` bugzilla-daemon

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