From: Gerd Knorr <kraxel@bytesex.org>
To: linux-kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: bttv/v4l2/Linux 2.6.10-ac8: xawtv hanging in videobuf_waiton
Date: Thu, 20 Jan 2005 12:12:27 +0100 [thread overview]
Message-ID: <20050120111227.GE10029@bytesex> (raw)
In-Reply-To: <20050114032226.GB6032@m.safari.iki.fi>
> About 100 pixels from my windowmaker background got garbled (I also ran
> xrefresh) while panicking ;-> and "rpm -V mozilla" showed three modified
> libs.
> However, the libs were OK after reboot (maybe because no time for syncing),
> but reiserfsck found vpf-10640 error for /var partition.
Thats typical for page cache corruption. The libs are read-only data
and thus never ever flushed back to disk, thus a reboot will fix it.
Creating some memory pressure to make the kernel drop the corrupted
pages from the cache should make it go away as well.
> How to debug this kind of memory corruption?
>
> garbled by bttv:
>
> 0035b000 08 00 00 14 00 c0 35 0a f8 03 00 18 08 cc 35 0a |......5.......5.|
> 0035b010 08 08 00 14 00 50 0a 03 f8 0b 00 18 08 64 88 0a |.....P.......d..|
Could be bt878 risc code. No idea how this makes it into the mozilla
libs ...
Gerd
--
#define printk(args...) fprintf(stderr, ## args)
prev parent reply other threads:[~2005-01-20 11:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-10 0:00 bttv/v4l2/Linux 2.6.10-ac8: xawtv hanging in videobuf_waiton Sami Farin
2005-01-10 11:35 ` Gerd Knorr
2005-01-10 16:18 ` Sami Farin
2005-01-14 3:22 ` Sami Farin
2005-01-20 11:12 ` Gerd Knorr [this message]
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