From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>,
linux-ide@vger.kernel.org, Jeff Garzik <jgarzik@redhat.com>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: todays git: WARNING: at drivers/ata/libata-sff.c:1017 ata_sff_hsm_move+0x45e/0x750()
Date: Sat, 10 Jan 2009 12:21:30 +0000 [thread overview]
Message-ID: <20090110122130.318cf168@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <49688B63.5030105@ru.mvista.com>
> That's the typical REQUEST SENSE command with 18-byte data length.
Which means something has become horribly broken in the core libata stack.
An 18 byte inquiry would have 18 bytes as the *last* sg element. That
would therefore not trigger the WARN_ON. Someone has passed an sg list
that isn't properly terminated perhaps ?
I wonder if the pad code broke this.
next prev parent reply other threads:[~2009-01-10 12:27 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-09 12:34 todays git: WARNING: at drivers/ata/libata-sff.c:1017 ata_sff_hsm_move+0x45e/0x750() Christian Borntraeger
2009-01-09 12:44 ` Alan Cox
2009-01-09 13:09 ` Christian Borntraeger
2009-01-10 9:09 ` Christian Borntraeger
2009-01-10 10:41 ` Alan Cox
2009-01-10 11:42 ` Christian Borntraeger
2009-01-10 11:49 ` Sergei Shtylyov
2009-01-10 12:21 ` Alan Cox [this message]
2009-01-10 13:01 ` Sergei Shtylyov
2009-01-10 13:55 ` Alan Cox
2009-01-10 13:04 ` Christian Borntraeger
2009-01-10 13:14 ` Jeff Garzik
2009-01-10 13:27 ` Christian Borntraeger
2009-01-10 13:51 ` Alan Cox
2009-01-10 21:21 ` Arjan van de Ven
2009-01-10 13:07 ` Ingo Molnar
2009-01-10 13:12 ` Jeff Garzik
2009-01-10 13:24 ` Ingo Molnar
2009-01-10 13:36 ` [bisected] " Ingo Molnar
2009-01-10 13:57 ` Alan Cox
2009-01-10 15:10 ` Sergei Shtylyov
2009-01-10 15:28 ` Alan Cox
2009-01-10 15:59 ` Sergei Shtylyov
2009-01-10 20:06 ` Sergei Shtylyov
2009-01-10 20:31 ` Jeff Garzik
2009-01-10 20:50 ` Sergei Shtylyov
2009-01-11 0:10 ` Alan Cox
2009-01-11 9:18 ` Sergei Shtylyov
2009-01-11 11:24 ` Alan Cox
2009-01-13 9:38 ` [PATCH] ata: fix wrong WARN_ON_ONCE Christian Borntraeger
2009-01-10 13:57 ` [bisected] Re: todays git: WARNING: at drivers/ata/libata-sff.c:1017 ata_sff_hsm_move+0x45e/0x750() Christian Borntraeger
2009-01-10 13:53 ` Alan Cox
2009-01-10 14:36 ` James Bottomley
2009-01-10 15:03 ` Jeff Garzik
2009-01-10 15:12 ` Alan Cox
2009-01-10 15:22 ` James Bottomley
2009-01-10 15:29 ` Alan Cox
2009-01-10 15:34 ` Sergei Shtylyov
2009-01-10 15:29 ` Sergei Shtylyov
2009-01-10 15:32 ` Alan Cox
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