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Message-ID: <1341923093.3021.67.camel@dabdike.int.hansenpartnership.com>
Subject: Re: mptscsi: BUG: unable to handle kernel NULL pointer, in
 scsi_send_eh_cmnd
From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: Meelis Roos <mroos@linux.ee>
Cc: linux-scsi@vger.kernel.org,
        Linux Kernel list <linux-kernel@vger.kernel.org>,
        Eric Moore <Eric.Moore@lsi.com>, DL-MPTFusionLinux@lsi.com,
        support@lsi.com
Date: Tue, 10 Jul 2012 13:24:53 +0100
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On Tue, 2012-07-10 at 14:54 +0300, Meelis Roos wrote:
> > > I am using Linux 3.4.0 with a 53c1030 and a tape library that sometimes 
> > > barfs for yet unknown reasons. When it happens, I get a BUG with 
> > > backtrace and this scsi channel is dead until I reboot. Seems to be 
> > > something with either generic scsi error handling or with mpt scsi.
> > 
> > I think it might actually be fixed by this:
> > 
> > http://git.kernel.org/?p=linux/kernel/git/jejb/scsi.git;a=commit;h=222a806af830fda34ad1f6bc991cd226916de060
> 
> Tested on top on 3.4.0, works - mptscsih is reset successfully, domain 
> validation for all scsi devices succeeds, no BUG. Scsi communication 
> works.

Thanks .. I'll be pushing it today.

James