ALSA Oops (triggered by xmms)

ALSA Oops (triggered by xmms)

[Christian Kujau]

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howdy,

yesterday i hit an Oops when i tried to play an mp3 with xmms. nothing
unusual. the thing is - i've not changed the kernel (2.6.11-gentoo-r5) for
a while, but changed some (multimedia related) libs on my system. xmms
just segfaults and it all seems to be a proper userspace bug (even xmms
told me so). i really suspect xmms or the changed libs.
but i still believe in the old proverb my grandma used to say: "no
userspace app should make the kernel oops." but yesterday it did:

http://nerdbynature.de/bits/prinz/2.6.11-gentoo-r5/

this is 100% reproducable whenever i use the ALSA sounddriver in xmms.
when i use "mpg321 -o alsa ..." everything is ok.

maybe some guru can shed some light on what's going on in xmms-oops.txt
and tell me who's to bug here :->

thank you,
Christian.
- --
BOFH excuse #289:

Interference between the keyboard and the chair.
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Re: ALSA Oops (triggered by xmms)

[Lee Revell]

On Fri, 2005-04-15 at 01:22 +0200, Christian Kujau wrote:
> maybe some guru can shed some light on what's going on in xmms-oops.txt
> and tell me who's to bug here :->

Fixed in 2.6.11.7.

Lee



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Re: ALSA Oops (triggered by xmms)

[Lee Revell]

On Fri, 2005-04-15 at 01:22 +0200, Christian Kujau wrote:
> maybe some guru can shed some light on what's going on in xmms-oops.txt
> and tell me who's to bug here :->

Fixed in 2.6.11.7.

Lee

Re: ALSA Oops (triggered by xmms)

[Christian Kujau]

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Lee Revell wrote:
> 
> Fixed in 2.6.11.7.
> 

thank you & sorry for the noise.
Christian.
- --
BOFH excuse #20:

divide-by-zero error
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Re: ALSA Oops (triggered by xmms)

[Lee Revell]

On Fri, 2005-04-15 at 02:16 +0200, Christian Kujau wrote:
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> 
> Lee Revell wrote:
> > 
> > Fixed in 2.6.11.7.
> > 
> 
> thank you & sorry for the noise.

No need to apologize, this is not noise.  Always err on the side of
reporting the bug.  It's much better to deal with duplicate bug reports
than have bugs go unreported.

Lee

Re: [Alsa-devel] Re: ALSA Oops (triggered by xmms)

[Takashi Iwai]

At Thu, 14 Apr 2005 19:35:19 -0400,
Lee Revell wrote:
> 
> On Fri, 2005-04-15 at 01:22 +0200, Christian Kujau wrote:
> > maybe some guru can shed some light on what's going on in xmms-oops.txt
> > and tell me who's to bug here :->
> 
> Fixed in 2.6.11.7.

Also, the latest CVS alsa-lib checks the timer protocol version to
avoid this Oops with the older kenel.  1.0.9-rc3 is planned to be
released soon, so wait for a moment...


Takashi

Re: ALSA Oops (triggered by xmms)

[Christian Kujau]

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Takashi Iwai wrote:
> 
> Also, the latest CVS alsa-lib checks the timer protocol version to
> avoid this Oops with the older kenel.  1.0.9-rc3 is planned to be
> released soon, so wait for a moment...

um, i'll wait for the next release as i don't track alsa-cvs. but i do
track 2.6-BK (again) and the oops is gone ;-)


Jesper Juhl wrote:
>> yeah, but the oops doesn't wrap at 80 chars itsself and often oopses
>> are hardly readable inline.
>
> I would still suggest including the info inline and then if you think
> it's needed /also/ provide the link you did - then you've covered all
> bases :)

will do, next time 8-)


thanks to all involved for all your replies,
Christian.
- --
BOFH excuse #388:

Bad user karma.
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Re: ALSA Oops (triggered by xmms)

[Christian Kujau]

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Jesper Juhl wrote:
> 
>   ^^^^^ you should send such info inline in the email - having to go check 
> external links makes a lot of people ignore the stuff right then and 

yeah, but the oops doesn't wrap at 80 chars itsself and often oopses are
hardly readable inline.

> Btw: I believe this is fixed in 2.6.11.7 - from the Changelog : 
>
> <tiwai@suse.de>
> 	[PATCH] Fix Oops with ALSA timer event notification

oh, this sounds good. strange though, that my 2.6.11-gentoo-r5 (whatever
they've patched in there) *never* oopsed the days ago but all of a sudden
started to oops yesterday....


thank you,
Christian.
- --
BOFH excuse #131:

telnet: Unable to connect to remote host: Connection refused
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Re: ALSA Oops (triggered by xmms)

[Jesper Juhl]

On Fri, 15 Apr 2005, Christian Kujau wrote:

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> 
> Jesper Juhl wrote:
> > 
> >   ^^^^^ you should send such info inline in the email - having to go check 
> > external links makes a lot of people ignore the stuff right then and 
> 
> yeah, but the oops doesn't wrap at 80 chars itsself and often oopses are
> hardly readable inline.
> 
I would still suggest including the info inline and then if you think it's 
needed /also/ provide the link you did - then you've covered all bases :)

> > Btw: I believe this is fixed in 2.6.11.7 - from the Changelog : 
> >
> > <tiwai@suse.de>
> > 	[PATCH] Fix Oops with ALSA timer event notification
> 
> oh, this sounds good. strange though, that my 2.6.11-gentoo-r5 (whatever
> they've patched in there) *never* oopsed the days ago but all of a sudden
> started to oops yesterday....
> 
Some bugs are like that, especially when they involve race conditions or 
timers.. Anyway, if you could test 2.6.11.7 (and perhaps also 2.6.12-rc*) 
to verify that the issue is indeed fixed, then I believe that would be 
appreciated :)


-- 
Jesper

Re: ALSA Oops (triggered by xmms)

[Daniel Drake]

Christian Kujau wrote:
> oh, this sounds good. strange though, that my 2.6.11-gentoo-r5 (whatever
> they've patched in there) *never* oopsed the days ago but all of a sudden
> started to oops yesterday....

Probably because you changed alsa-lib versions. By the way, it is fixed in
gentoo-sources-2.6.11-r6.

Daniel