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List:       linux-kernel
Subject:    Re: mplayer v4l hangs in 2.6.25.2/4
From:       "koos vriezen" <koos.vriezen () gmail ! com>
Date:       2008-05-17 19:11:35
Message-ID: d4e708d60805171211q1a1966a3i78dc3dc98d275dd1 () mail ! gmail ! com
[Download RAW message or body]

2008/5/17 Arjan van de Ven <arjan@infradead.org>:

> Is it possible for you to enable lockdep (CONFIG_PROVE_LOCKING)?
> With that on, the kernel will print nicely which locks are being waited
> on, and if there's a deadlock, it'll print that too. Speaking of that,
> since this looks like a mutex related issue, it's worth enabling
> CONFIG_DEBUG_MUTEXES as well.... more debug checks in this area.
> If you also enable CONFIG_FRAME_POINTER then the backtrace will get
> better too (but it's not totally required, just easier for diagnostics)

See attachments.
FWIW, while mplayer is hanging, I can use another Xvideo based tv player.

Regards,
Koos Vriezen

["mplayer.out.gz" (application/x-gzip)]
["config-2.6.25.4-2.gz" (application/x-gzip)]
["dmesg.out-2.gz" (application/x-gzip)]
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