linux-kernel - WARNING: at fs/buffer.c:1186 mark_buffer

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Message-ID: <4901F375.3020202@vlnb.net>
Date:	Fri, 24 Oct 2008 20:10:29 +0400
From:	Vladislav Bolkhovitin <vst@...b.net>
To:	linux-fsdevel@...r.kernel.org
CC:	viro@...iv.linux.org.uk, linux-kernel@...r.kernel.org
Subject: WARNING: at fs/buffer.c:1186 mark_buffer_dirty+0x51/0x66()

Hi,

During recent debugging session of my SCSI target SCST 
(http://scst.sf.net) I noticed many

WARNING: at fs/buffer.c:1186 mark_buffer_dirty+0x51/0x66()

messages in kernel log on the initiator. I attached the full log of 
several of them.

My target was buggy and I was working on fixing it, but I suppose Linux 
should handle such failures more gracefully. In all the cases the target 
had one type of failure: it "ate" a SCSI command and never returned 
result of it.

Low level drivers were open-iscsi and qla2xxx.

Vlad

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