From: Julian Sikorski <belegdol@gmail.com>
To: alsa-devel@alsa-project.org
Subject: Re: Bug#635362: Realtek ALC889: HDA Intel and kernel 3.0 gives choppy sound
Date: Wed, 27 Jul 2011 00:52:00 +0200 [thread overview]
Message-ID: <j0ngeg$bav$3@dough.gmane.org> (raw)
In-Reply-To: <4E2F2E47.8080902@herbesfolles.org>
W dniu 26.07.2011 23:14, Colomban Wendling pisze:
> Hi,
>
> Following a bug report started in Debian BTS, in bug 635362 [1], I was
> asked to post here after testing upstream kernels and reproducing the bug.
>
> So, here's the problem: my HDA audio chip [2] started to output very
> choppy sound with Linux kernel 3.0, while it worked perfectly well in
> previous versions -- latest two I used being 2.6.38 and 2.6.39 from
> Debian. Please note that simply booting on 2.6.39 works as usual, so
> it's IMHO definitely a driver regression.
>
> I tried Debian's 3.0 as well as mainline 3.0 and git5 snapshots, and all
> 3 were affected by the problem -- though the kernel log isn't exactly
> the same.
>
> I attach three dmesg outputs, always took after trying to play a sound
> (and hearing it choppy, it happens every time):
>
> dmesg-3.0.0-mainline: dmesg when running 3.0 mainline
> dmesg-3.0.0-git5: when running 3.0-git5 snapshot
> dmesg-3.0.0-git5-2: same as dmesg-3.0.0-git5 but configured without
> CONFIG_SND_HDA_ENABLE_REALTEK_QUIRKS (doesn't change anything)
>
> If you want to see dmesg from the 2.6.39 kernel (where sound works well)
> or Debian's 3.0, see respectively [3] and [4].
>
>
> Thanks by advance, and if you need any further details or testing,
> please let me know.
>
> Regards,
> Colomban
>
>
> [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=635362
> [2] Realtek ALC889 on an MSI H55M-E33, see lspci in Debian bug [1] for
> details
> [3]
> http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=15;filename=dmesg-2.6.39-2-amd64;att=1;bug=635362
> [4]
> http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=15;filename=dmesg-3.0.0-1-amd64;att=2;bug=635362
I am probably wrong, but did you try setting CONFIG_SND_HDA_BUFFER_SIZE
to a larger value?
Julian
next prev parent reply other threads:[~2011-07-26 22:52 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-26 21:14 Bug#635362: Realtek ALC889: HDA Intel and kernel 3.0 gives choppy sound Colomban Wendling
2011-07-26 22:52 ` Julian Sikorski [this message]
2011-07-26 23:22 ` Colomban Wendling
2011-07-27 5:51 ` Julian Sikorski
2011-07-27 5:37 ` Takashi Iwai
2011-07-27 11:14 ` Colomban Wendling
2011-07-27 11:20 ` Takashi Iwai
2011-07-27 12:53 ` Colomban Wendling
2011-07-27 13:07 ` Takashi Iwai
2011-07-27 14:09 ` Colomban Wendling
2011-07-27 14:50 ` Takashi Iwai
2011-07-28 13:03 ` Colomban Wendling
2011-07-28 13:04 ` Takashi Iwai
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