From: Takashi Iwai <tiwai@suse.de>
To: Dave Jones <davej@redhat.com>
Cc: Matze Braun <MatzeBraun@gmx.de>, linux-kernel@vger.kernel.org
Subject: Re: ALSA Maestro driver spinlock bug.
Date: Wed, 05 Jan 2005 14:31:22 +0100 [thread overview]
Message-ID: <s5hk6qsm28l.wl@alsa2.suse.de> (raw)
In-Reply-To: <20050105015610.GF24231@redhat.com>
At Tue, 4 Jan 2005 20:56:10 -0500,
Dave Jones wrote:
>
> One of our Fedora users reported a bug that showed up
> with spinlock debugging enabled.
>
> sound/pci/es1968.c: es1968_measure_clock()
>
> At line 1811, we acquire &chip->reg_lock
> and then call snd_es1968_bob_inc(), which
> calls snd_es1968_bob_start(), which tries to
> acquire the same lock at line 885.
>
> It barfs as a result. Is it safe to move
> the snd_es1968_bob_inc() call before we
> take the lock ?
Already fixed in the recent ALSA version.
Takashi
prev parent reply other threads:[~2005-01-05 13:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-05 1:56 ALSA Maestro driver spinlock bug Dave Jones
2005-01-05 13:31 ` Takashi Iwai [this message]
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