From: Peter Osterlund <petero2@telia.com>
To: kraxel@bytesex.org
Cc: linux-kernel list <linux-kernel@vger.kernel.org>,
Eyal Lebedinsky <eyal@eyal.emu.id.au>
Subject: Re: 2.6.10-rc1 bttv oops in btcx_riscmem_free
Date: 07 Nov 2004 00:17:00 +0100 [thread overview]
Message-ID: <m3llder2j7.fsf@telia.com> (raw)
In-Reply-To: <m3wtx86s07.fsf@telia.com>
Peter Osterlund <petero2@telia.com> writes:
> Eyal Lebedinsky <eyal@eyal.emu.id.au> writes:
>
> > Watching on Mythtv, I stopped watching on the client. at this point
> > the picture froze. Looking in dmesg I see this oops. The machine
> > quicly becomes unusable ('ps aux' hangs).
> >
> > I then applied the v4l patches off the list. Still the same problem.
> >
> > Unable to handle kernel paging request at virtual address 85525fe9
>
> I have similar problems using 2.6.10-rc1-bk8. Often when I exit
> tvtime, I get "unable to handle kernel paging request" or "unable to
> handle kernel NULL pointer", see below.
I found the bug. Here is a patch to fix it.
Signed-off-by: Peter Osterlund <petero2@telia.com>
---
linux-petero/drivers/media/video/video-buf.c | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/media/video/video-buf.c~bttv-fix3 drivers/media/video/video-buf.c
--- linux/drivers/media/video/video-buf.c~bttv-fix3 2004-11-07 00:10:04.632421064 +0100
+++ linux-petero/drivers/media/video/video-buf.c 2004-11-07 00:10:04.635420608 +0100
@@ -1063,7 +1063,7 @@ videobuf_vm_close(struct vm_area_struct
continue;
map->q->bufs[i]->map = NULL;
map->q->bufs[i]->baddr = 0;
- map->q->ops->buf_release(vma->vm_file,map->q->bufs[i]);
+ map->q->ops->buf_release(vma->vm_file->private_data,map->q->bufs[i]);
}
kfree(map);
}
_
--
Peter Osterlund - petero2@telia.com
http://w1.894.telia.com/~u89404340
prev parent reply other threads:[~2004-11-06 23:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-30 13:49 Eyal Lebedinsky
2004-10-30 17:22 ` Peter Osterlund
2004-10-31 14:59 ` Peter Osterlund
2004-11-04 11:29 ` Gerd Knorr
2004-11-04 20:26 ` Peter Osterlund
2004-11-06 23:17 ` Peter Osterlund [this message]
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