From: Andrew Morton <akpm@osdl.org>
To: Charles-Edouard Ruault <ce@ruault.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [BUG] kernel 2.6.15.4: soft lockup detected on CPU#0!
Date: Wed, 15 Feb 2006 18:51:20 -0800 [thread overview]
Message-ID: <20060215185120.6c35eca2.akpm@osdl.org> (raw)
In-Reply-To: <43EF8388.10202@ruault.com>
Charles-Edouard Ruault <ce@ruault.com> wrote:
>
> i was trying to rip a CD when the whole machine started to freeze
> periodicaly, i then looked at the logs and found the following :
>
> Feb 12 19:23:39 ruault kernel: hdc: irq timeout: status=0x80 { Busy }
> Feb 12 19:23:39 ruault kernel: ide: failed opcode was: unknown
> Feb 12 19:23:39 ruault kernel: hdd: status timeout: status=0x80 { Busy }
> Feb 12 19:23:39 ruault kernel: ide: failed opcode was: unknown
> Feb 12 19:23:39 ruault kernel: hdd: drive not ready for command
No idea what caused that.
> Feb 12 19:23:39 ruault kernel: BUG: soft lockup detected on CPU#0!
The following was merged today. Hopefully it suppresses this false
positive.
--- devel/drivers/ide/ide-taskfile.c~ide-touch-softlockup-detector-during-pio 2006-02-15 14:57:05.000000000 -0800
+++ devel-akpm/drivers/ide/ide-taskfile.c 2006-02-15 14:57:05.000000000 -0800
@@ -34,6 +34,7 @@
#include <linux/kernel.h>
#include <linux/timer.h>
#include <linux/mm.h>
+#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/major.h>
#include <linux/errno.h>
@@ -314,6 +315,8 @@ static void ide_pio_datablock(ide_drive_
if (rq->bio) /* fs request */
rq->errors = 0;
+ touch_softlockup_watchdog();
+
switch (drive->hwif->data_phase) {
case TASKFILE_MULTI_IN:
case TASKFILE_MULTI_OUT:
_
next prev parent reply other threads:[~2006-02-16 2:52 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-12 18:50 Charles-Edouard Ruault
2006-02-14 11:41 ` Folkert van Heusden
2006-02-14 16:32 ` Lee Revell
2006-02-15 15:07 ` Folkert van Heusden
2006-02-15 18:19 ` Lee Revell
2006-02-16 1:38 ` Alan Cox
2006-02-17 22:56 ` Lee Revell
2006-02-16 2:51 ` Andrew Morton [this message]
2006-02-16 9:44 ` Charles-Edouard Ruault
2006-02-16 10:36 ` Folkert van Heusden
2006-02-16 10:46 ` Andrew Morton
2006-02-16 11:18 ` Charles-Edouard Ruault
2006-02-16 12:57 ` Alan Cox
2006-02-16 13:33 ` Bartlomiej Zolnierkiewicz
2006-02-16 20:20 ` Andrew Morton
2006-02-17 11:47 ` Bartlomiej Zolnierkiewicz
2006-02-17 13:08 ` [patch] timer-irq-driven soft-watchdog, cleanups Ingo Molnar
2006-02-17 14:46 ` Bartlomiej Zolnierkiewicz
2006-02-17 19:52 ` Ingo Molnar
2006-02-17 20:11 ` Ingo Molnar
2006-02-17 22:15 ` Bartlomiej Zolnierkiewicz
2006-03-13 14:48 ` Charles-Edouard Ruault
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