[Bug 94525] OpenCL memory allocation is limited to 1GB

[Bug 94525] OpenCL memory allocation is limited to 1GB

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https://bugs.freedesktop.org/show_bug.cgi?id=94525

            Bug ID: 94525
           Summary: OpenCL memory allocation is limited to 1GB
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: b.bellec@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

I wanted to try "ethminer" (the OpenCL Ethereum miner) on Mesa.
I installed Ubuntu 15.10 (x86-64), the "ethminer" client, and the Oibaf PPA
Mesa packages.

The OpenCL's Mesa detects only 1GB on my Radeon R9 390 8GB.
So I can't even start "ethminer" since it currently requires 1.4 GB.

Moreover, the two others R9 Nano plugged in the computer are not even detected
by "ethminer" nor "clinfo".

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[Bug 94525] OpenCL memory allocation is limited to 1GB

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https://bugs.freedesktop.org/show_bug.cgi?id=94525

Vedran Miletić <vedran@miletic.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Blocks|                            |99553
             Status|NEW                         |RESOLVED

--- Comment #1 from Vedran Miletić <vedran@miletic.net> ---
Should have been fixed by:

commit 8a4ace4a47a07323997da5c2dbc865a32df52451
Author: Marek Olšák <marek.olsak@amd.com>
Date:   Fri Jul 1 00:17:36 2016 +0200

    gallium/radeon: add and use radeon_info::max_alloc_size (v2)

    v2: - squashed the patches
        - use INT_MAX
        - clamp max_const_buffer_size
        - check the DRM version in radeon

    Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
    Reviewed-by: Vedran Miletić <vedran@miletic.net>

If it's still an issue, please reopen.


Referenced Bugs:

https://bugs.freedesktop.org/show_bug.cgi?id=99553
[Bug 99553] Tracker bug for runnning OpenCL applications on Clover
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