On Sat, Jan 06 2007, [email protected] wrote:
> On Thu, 04 Jan 2007 22:02:00 PST, Andrew Morton said:
>
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20-rc3/2.6.20-rc3-mm1/
>
> With git-block.patch applied, my system locks up *hard* at system
> shutdown time - even alt-sysrq doesn't do anything. Need to do the
> "power button for 5" stunt to get the system back.
Does this change anything?
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index ec40e44..bae57e0 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -1542,7 +1542,7 @@ static inline void queue_sync_plugs(request_queue_t *q)
* If the current process is plugged and has barriers submitted,
* we will livelock if we don't unplug first.
*/
- blk_unplug_current();
+ blk_replug_current_nested();
synchronize_qrcu(&q->qrcu);
}
--
Jens Axboe
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