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From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 97961] radeon: Failed to allocate virtual address for buffer
Date: Wed, 28 Sep 2016 14:30:22 +0000	[thread overview]
Message-ID: <bug-97961-502@http.bugs.freedesktop.org/> (raw)


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https://bugs.freedesktop.org/show_bug.cgi?id=97961

            Bug ID: 97961
           Summary: radeon: Failed to allocate virtual address for buffer
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: vedran@miletic.net
        QA Contact: dri-devel@lists.freedesktop.org

On a Kabini system using kernel 4.8-rc8, Mesa and LLVM git, running GROMACS
OpenCL example 1536 from [1] results in

radeon: Failed to allocate virtual address for buffer:
radeon:    size      : 4096 bytes
radeon:    alignment : 4096 bytes
radeon:    domains   : 2
radeon:    va        : 0x000000000948b000
radeon: Failed to deallocate virtual address for buffer:
radeon:    size      : 4096 bytes
radeon:    va        : 0x948b000
radeon: Failed to allocate virtual address for buffer:
radeon:    size      : 4096 bytes
radeon:    alignment : 4096 bytes
radeon:    domains   : 2
radeon:    va        : 0x000000000948b000
radeon: Failed to deallocate virtual address for buffer:
radeon:    size      : 4096 bytes
radeon:    va        : 0x948b000

This is one of the larger examples, so it requires more memory than the
previous ones. I will test the largest example (3072) soon, and I expect it to
crash the same way.

This is a regression. It will be very hard to bisect LLVM and kernel on this
machine as it is really slow, but Mesa is likely bisectable. Let me know if it
is worth it.

[1] ftp://ftp.gromacs.org/pub/benchmarks/water_GMX50_bare.tar.gz

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             reply	other threads:[~2016-09-28 14:30 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-28 14:30 bugzilla-daemon [this message]
2016-09-28 14:32 ` [Bug 97961] radeon: Failed to allocate virtual address for buffer bugzilla-daemon
2017-01-25 19:43 ` bugzilla-daemon

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