Re: [2.6.14-rc3] BUG: soft lockup detected on CPU#0

[Ingo Molnar <mingo@elte.hu>]

* Andrew Morton <akpm@osdl.org> wrote:

> Hi there, all.
> 
> I have been running kernel 2.6.14-rc3 for some time now and I see some 
> bugs.
> 
> One of them is a soft lockup detected on CPU#0 (the only CPU that I 
> have) during the stage when the kernel is probing for IDE 
> controllers/devices.
> 
> Here is the relevant part of the dmesg log (the whole dmesg log is 
> attached):

does the patch below help?

	Ingo

----

should solve false-positive soft lockup messages during IDE init.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

--

 drivers/ide/ide-iops.c |    1 +
 1 files changed, 1 insertion(+)

Index: linux/drivers/ide/ide-iops.c
===================================================================
--- linux.orig/drivers/ide/ide-iops.c
+++ linux/drivers/ide/ide-iops.c
@@ -1247,6 +1247,7 @@ int ide_wait_not_busy(ide_hwif_t *hwif, 
 		 */
 		if (stat == 0xff)
 			return -ENODEV;
+		touch_softlockup_watchdog();
 	}
 	return -EBUSY;
 }