[Bug 86571] New: Kernel 3.17.3: drm/radeon: fix speaker allocation setup --> cannot $startx

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Nov 22 04:48:08 PST 2014


            Bug ID: 86571
           Summary: Kernel 3.17.3: drm/radeon: fix speaker allocation
                    setup --> cannot $startx
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/Radeon
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: initzero at gmail.com
        QA Contact: xorg-team at lists.x.org

Since Linux 3.17.3 calling $startx will freeze or reboot my system.
I have isolated the following commit as the cause of my problem:

commit ffe0245532b98efc4bc0e06f29c51d3f0e471152
Author: Alex Deucher <alexander.deucher at amd.com>
Date:   Mon Oct 13 11:51:50 2014 -0400

    drm/radeon: fix speaker allocation setup

    commit 4910403836ded89803fab201d4b5caaa85de3a89 upstream.

    If the sad_count is 0, set the hw to stereo and change
    the error message to a warn.  A lot of monitors don't
    set the speaker allocation block.

    Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>

Reverting this brings things back to normal.

My card:
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Oland
XT [Radeon HD 8670 / R7 250]
01:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Cape
Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series]

Samsung S22D300HY (via HDMI)

Archlinux up-2-date... Mesa 10.3.3 + patch from bug 85647, xorg-server 1.16.2,
xf86-video-ati 7.5.0

Can provide additional infos if needed.


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