Re: kernel BUG at ll_rw_blk.c:711!

From: Rik van Riel (riel@conectiva.com.br)
Date: Wed Sep 13 2000 - 19:13:59 EST


On Wed, 13 Sep 2000, David S. Miller wrote:

> Known bug, Linus just hasn't made a pre-patch in a long
> time with the fix. Here is the fix:

I'd like to confirm that this patch is /needed/ to keep
my system running with 2.4.0-test8...

> --- vanilla/linux/fs/buffer.c Wed Sep 6 08:29:45 2000
> +++ linux/fs/buffer.c Sun Sep 10 17:25:26 2000
> @@ -1758,13 +1758,13 @@
> pos += blocksize;
> }
>
> + err = 0;
> + if (!buffer_mapped(bh)) {
> + get_block(inode, iblock, bh, 0);
> + if (!buffer_mapped(bh))
> + goto unlock;
> + }
> if (!buffer_uptodate(bh)) {
> - err = 0;
> - if (!buffer_mapped(bh)) {
> - get_block(inode, iblock, bh, 0);
> - if (!buffer_mapped(bh))
> - goto unlock;
> - }
> err = -EIO;
> bh->b_end_io = end_buffer_io_sync;
> ll_rw_block(READ, 1, &bh);

Rik

--
"What you're running that piece of shit Gnome?!?!"
       -- Miguel de Icaza, UKUUG 2000

http://www.conectiva.com/ http://www.surriel.com/

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