From: Takashi Iwai <tiwai@suse.de>
To: Clemens Ladisch <clemens@ladisch.de>
Cc: Randy Dunlap <randy.dunlap@oracle.com>,
lkml <linux-kernel@vger.kernel.org>,
James@superbug.demon.co.uk, akpm <akpm@osdl.org>
Subject: Re: [Ubuntu PATCH] FIx no mpu401 interface can cause hard freeze
Date: Tue, 04 Jul 2006 15:02:34 +0200 [thread overview]
Message-ID: <s5hhd1xsetx.wl%tiwai@suse.de> (raw)
In-Reply-To: <1152004172.44aa304cac758@www.domainfactory-webmail.de>
At Tue, 04 Jul 2006 11:09:32 +0200,
Clemens Ladisch wrote:
>
> Randy Dunlap wrote:
> > This patch fixes the remaining instances in our tree where a non-
> > existent mpu401 interface can cause a hard freeze when i/o is
> > issued.
> >
> > sound/pci/emu10k1/emu10k1x.c
> > sound/pci/emu10k1/emumpu401.c
>
> These drivers are for chips where we know that an MPU-401 interface
> exists.
>
> Are there any freezes on these devices that can be resolved by this
> patch?
Maybe this fix is irrelevant. But it's anyway better to check the
errors there.
My rough guess of the culprit is the spin deadlock through
snd-rtctimer.
Takashi
prev parent reply other threads:[~2006-07-04 13:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-03 20:47 [Ubuntu PATCH] FIx no mpu401 interface can cause hard freeze Randy Dunlap
2006-07-04 7:05 ` Andrew Morton
2006-07-04 7:53 ` Daniel T. Chen
2006-07-04 9:09 ` Clemens Ladisch
2006-07-04 13:02 ` Takashi Iwai [this message]
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