From: "Ralf Müller" <ralf@bj-ig.de>
To: Albert Lee <albertcc@tw.ibm.com>
Cc: linux-kernel@vger.kernel.org, jgarzik@pobox.com,
linux-ide@vger.kernel.org
Subject: Re: Kernel Oops with 2.6.15
Date: Wed, 04 Jan 2006 10:29:12 +0100 [thread overview]
Message-ID: <43BB9568.6010000@bj-ig.de> (raw)
In-Reply-To: <43BB3CBA.5010908@tw.ibm.com>
Albert Lee schrieb:
> It looks like the command is running in PIO polling thread.
> The timeout handler is called and the qc is cleared.
> So, the PIO polling thread got NULL qc.
>
> Could you post more trace before the timeout occurs, thanks,
Sure. Here it is:
Jan 3 15:21:32 DatenGrab kernel: ata1: command timeout
Jan 3 15:21:32 DatenGrab kernel: ATA: abnormal status 0xFF on port
0xE006821C
Jan 3 15:21:32 DatenGrab kernel: ata1: translated ATA stat/err 0xff/00
to SCSI SK/ASC/ASCQ 0xb/47/00
Jan 3 15:21:32 DatenGrab kernel: ata1: status=0xff { Busy }
Jan 3 15:21:32 DatenGrab kernel: ATA: abnormal status 0xFF on port
0xE006821C
Jan 3 15:21:32 DatenGrab kernel: ATA: abnormal status 0xFF on port
0xE006821C
Jan 3 15:21:32 DatenGrab kernel: ATA: abnormal status 0xFF on port
0xE006821C
Jan 3 15:21:32 DatenGrab kernel: ATA: abnormal status 0xFF on port
0xE006821C
Jan 3 15:21:35 DatenGrab kernel: ata1: unknown timeout, cmd 0xb0 stat 0xff
Jan 3 15:21:35 DatenGrab kernel: ata1: translated ATA stat/err 0xff/00
to SCSI SK/ASC/ASCQ 0xb/47/00
Jan 3 15:21:35 DatenGrab kernel: ata1: status=0xff { Busy }
Jan 3 15:21:35 DatenGrab kernel: Assertion failed! qc !=
NULL,drivers/scsi/libata-core.c,ata_pio_block,line=3216
Jan 3 15:21:35 DatenGrab kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000014
Jan 3 15:21:35 DatenGrab kernel: printing eip:
Jan 3 15:21:35 DatenGrab kernel: e02d9a3e
Jan 3 15:21:35 DatenGrab kernel: *pde = 00000000
Jan 3 15:21:35 DatenGrab kernel: Oops: 0000 [#1]
next prev parent reply other threads:[~2006-01-04 9:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-03 14:32 Kernel Oops with 2.6.15 Ralf Müller
2006-01-04 3:10 ` Albert Lee
2006-01-04 9:29 ` Ralf Müller [this message]
2006-01-06 3:41 ` [PATCH/RFC] libata-dev: update timeout for PIO polling Albert Lee
2006-01-18 0:52 ` Jeff Garzik
2006-01-20 14:19 ` [PATCH/RFC] libata-dev: update timer for PIO polling - revised Albert Lee
2006-01-21 1:05 ` Tejun Heo
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