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SubjectRe: Two 2.6.13-rc1 kernel crashes
On Mon, Jul 04 2005, Martin Mokrejs wrote:
> Hi,
> I use on i686 architecture Gentoo linux with XFS filesystem.
> Recently it happened to me 3 time that the machine locked,
> although at least once sys-rq+b worked. Here is the log
> from remote console. I don't remeber having such problems
> with 2.6.12-rc6-git2, which was my previous testing kernel.
> The problems appear under heavy load when I compile/install
> some packages and maybe it's just a bad coincidence or not,
> when I move my usb mouse in fvwm2 environment. The machine
> locks.

You need this fix from Hugh.

--- 2.6.13-rc1/drivers/block/ll_rw_blk.c 2005-06-29 11:54:08.000000000 +0100
+++ linux/drivers/block/ll_rw_blk.c 2005-06-29 14:41:04.000000000 +0100
@@ -1917,10 +1917,9 @@ get_rq:
* limit of requests, otherwise we could have thousands of requests
* allocated with any setting of ->nr_requests
*/
- if (rl->count[rw] >= (3 * q->nr_requests / 2)) {
- spin_unlock_irq(q->queue_lock);
+ if (rl->count[rw] >= (3 * q->nr_requests / 2))
goto out;
- }
+

--
Jens Axboe

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