[Bug 126140] Re: snd_hda_intel fails to unload (or unload correctly) on shut down; laptop fails to halt

Leann Ogasawara leann at ubuntu.com
Mon Nov 10 22:02:21 UTC 2008

Luiz, thanks for the usptream reference.  The patch you mention was
recently applied to the Intrepid kernel when it pulled in the upstream patch set - see Bug 296500:

ogasawara at yoji:~/ubuntu-intrepid$ git log -p 9293a8e3dd8a61f71510790af88430f6e32f86d6
commit 9293a8e3dd8a61f71510790af88430f6e32f86d6
Author: Takashi Iwai <tiwai at suse.de>
Date:   Thu Oct 30 19:10:15 2008 +0000

    ALSA: hda - Add reboot notifier
    commit 0cbf00980f0fc4cc064a15ab3dfce19b5fae9130 upstream
    The current snd-hda-intel driver seems blocking the power-off on some
    devices like eeepc.  Although this is likely a BIOS problem, we can add
    a workaround by disabling IRQ lines before power-off operation.
    This patch adds the reboot notifier to achieve it.
    The detailed problem description is found in bug#11889:
    Tested-by: Luiz Fernando N. Capitulino <lcapitulino at mandriva.com.br>
    Signed-off-by: Takashi Iwai <tiwai at suse.de>
    Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de>
    Signed-off-by: Tim Gardner <tim.gardner at canonical.com>

The Ubuntu kernel which contains this patch is still making it's way
into the intrepid-proposed repository.  If you can please monitor bug
296500 for when the kernel is available for testing in intrepid-proposed
and provide feedback after testing that would be great.  For information
on how to enable -proposed, please see
https://wiki.ubuntu.com/Testing/EnableProposed .  The wiki uses 'hardy'
in it's examples, so please make sure to use 'intrepid' instread.

** Changed in: linux (Ubuntu)
       Status: Triaged => Fix Committed

snd_hda_intel fails to unload (or unload correctly) on shut down; laptop fails to halt
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