linux-kernel - Re: need fusion driver guide

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Date:	Wed, 7 Jan 2009 10:54:08 +0530
From:	"linux linux" <linux.tina@...il.com>
To:	"James Bottomley" <James.Bottomley@...senpartnership.com>
Cc:	"Sam Ravnborg" <sam@...nborg.org>,
	LKML <linux-kernel@...r.kernel.org>, linux-scsi@...r.kernel.org
Subject: Re: need fusion driver guide

Hi James,.
Now it should be received by all...
Many many thanks for the help.

I am sending the kernel log.


On Wed, Jan 7, 2009 at 9:51 AM, James Bottomley
<James.Bottomley@...senpartnership.com> wrote:
>
> You still need to turn off html email attachments, otherwise your
> messages won't be accepted by the mailing lists.  It will be an option
> like recipient wants text/plain only or something.
>
> On Wed, 2009-01-07 at 09:32 +0530, linux linux wrote:
> > Hi,
> >
> > Sam many thanks for ur help.
> >
> > Hi James,
> >
> > I am getting some error on for fusion device driver.
> > The error message look like this
> >
> >
> >        2F240F4C226078: 19/12/2008 EST 04:42:45, mptscsih: ioc1: >>
> > Attempting task abort! (sc=e40df080)
> >        2F240F6E8C2E00: 19/12/2008 EST 04:42:45, mptbase: ioc1:
> > IOCStatus(0x0048): SCSI Task Terminated
> >        2F240F6E905A98: 19/12/2008 EST 04:42:45, mptscsih: ioc1: >>
> > Attempting task abort! (sc=f7e23680)
> >
> > 2F24117BDA2438: 19/12/2008 EST 04:42:50, mptscsih: ioc1: >>
> > Attempting bus reset! (sc=e40df080)
> >
> > After then the server has been rebooted.
> >
> > I can see the code is written inside /drivers/message/fussion/
> > mptscsih.c
> > The responsible function is
> > mptscsih_host_reset()
> > i am very new in SCSI fusion device driver. read some help guide from
> > google but still i do not understand when the mptscsih_host_reset() is
> > called by kernel. I normal situation i am not able to see this message
> > in kernel log.
> > Can any one help me to understand when these type of kernel message
> > are comming, is it foe SCSI hardware problem ?
> > when mptscsih_host_reset() will be executed?
>
> It looks like a standard error handling escalation sequence.  Why is
> very hard to tell without the entire kernel log.  Why there wasn't a
> recovery is also not clear.
>

Pls let me know when this kind of error handler is happened?
is it for SCSI hard ware failure?

> > Only one time i show this message in my kernel log, is there any way
> > to reproduce this message manually?
> >
> > where i get much info regarding this issue and SCSI fusion kernel
> > driver except kernel code itself?
> >
> > I am writting this after reading help doc from
> > http://www.lsi.com/insight_center/tech_trends/advanced_architectures/fusionmpt/index.html
> >
> > But still i am very few knowledge to solve it.
> >
> > waiting for your help.
>
> There's not much else I can do.  If you post the entire kernel log, the
> fusion people hang out on this list and might see something that
> indicates what the problem is.
>
> James
>
>

View attachment "kernel-log.txt" of type "text/plain" (15067 bytes)