[Bugme-new] [Bug 16487] New: Thinkpad r51e sound no longer working in 2.6.34

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Sun Aug 1 00:24:58 PDT 2010


https://bugzilla.kernel.org/show_bug.cgi?id=16487

           Summary: Thinkpad r51e sound no longer working in 2.6.34
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.34
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Sound(ALSA)
        AssignedTo: perex at perex.cz
        ReportedBy: tstellar at gmail.com
        Regression: Yes


Created an attachment (id=27309)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=27309)
dmesg log booting 2.6.34 without pci=noacpi

I have a Thinkpad r51e and starting with this commit (which is necessary for my
gpu to work see bug 15626), my audio no longer works unless I boot with
pci=noacpi:  

commit c414a117c6094c3f86b533f97beaf45ef9075f03
Author: Alex Deucher <alexdeucher at gmail.com>
Date:   Tue Mar 30 17:22:32 2010 -0400

    drm/radeon/kms: disable MSI on IGP chips

    Doesn't seem to work reliably and the pci quirks don't
    always work.

    Signed-off-by: Alex Deucher <alexdeucher at gmail.com>
    Signed-off-by: Dave Airlie <airlied at redhat.com>

If I boot with pci=noacpi, the audio works at first, but it usually stops
working after running a few programs that use sound.  When the audio stops
working, this message appears in my dmesg log:

ALSA sound/pci/atiixp.c:690: atiixp: XRUN detected (DMA 0)

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