Re: [Bugme-new] [Bug 4201] New: megaraid crashes at random with CERC ATA100/4ch (DELL Controller) on PowerEdge 600SC

[Andrew Morton <akpm@osdl.org>]

"Steven Nash" <Steven_Nash@compuserve.com> wrote:
>
> Has anyone had chance to look at this bug yet?  I havn't seen any updates in
> the kernel tree related to this driver / bug.  For the time being I've been
> using kenel 2.6.9 (Fedora build: 2.6.9-1.724_FC3smp which seems stable,
> obviously at some point I'm going to need to upgrade to a later kernel.  I
> have answered the questions below in bugzilla.  Any suggestions on when a
> fix is likely to be available would be great.  I am prepared to try out
> patches etc.
> 

Seems that more debugging is needed before we can talk about patches. 
Could you please generate the info which Seokmann asked for, below?

Thanks.

> 
> > -----Original Message-----
> > From: sju@lsil.com [mailto:sju@lsil.com] 
> > Sent: 14 February 2005 13:30
> > To: 'Andrew Morton'; linux-scsi@vger.kernel.org
> > Cc: Steven_Nash@compuserve.com; Ju, Seokmann
> > Subject: RE: [Bugme-new] [Bug 4201] New: megaraid crashes at 
> > random with CERC ATA100/4ch (DELL Controller) on PowerEdge 600SC
> > 
> >  
> > On Friday, February 11, 2005 7:29 PM, Andrew wrote:
> > > megaraid driver crashing.  I have tried forcing the old megaraid 
> > > driver in the kernel config and rebuilding but this has no effect.
> > 
> > Can you provide details on following,please?
> > - The megaraid driver version?
> > - Device configuration information on the CERC ATA100/4ch 
> > with options (cached, WT/WB, or read-ahead?)
> > - Size of main memory on PowerEdge 600SC?
> > - What are the typical I/O loads has been applied to reach crash?
> > 
> > Thanks,
> > 
> > Seokmann
> > LSI Logic Corporation.
> > 
> > > -----Original Message-----
> > > From: Andrew Morton [mailto:akpm@osdl.org]
> > > Sent: Friday, February 11, 2005 7:29 PM
> > > To: linux-scsi@vger.kernel.org
> > > Cc: Steven_Nash@compuserve.com
> > > Subject: Fw: [Bugme-new] [Bug 4201] New: megaraid crashes at random 
> > > with CERC ATA100/4ch (DELL Controller) on PowerEdge 600SC
> > > 
> > > 
> > > 
> > > Begin forwarded message:
> > > 
> > > Date: Fri, 11 Feb 2005 16:08:26 -0800
> > > From: bugme-daemon@osdl.org
> > > To: bugme-new@lists.osdl.org
> > > Subject: [Bugme-new] [Bug 4201] New: megaraid crashes at 
> > random with 
> > > CERC ATA100/4ch (DELL Controller) on PowerEdge 600SC
> > > 
> > > 
> > > http://bugme.osdl.org/show_bug.cgi?id=4201
> > > 
> > >            Summary: megaraid crashes at random with CERC  
> > ATA100/4ch (DELL
> > >                     Controller) on PowerEdge 600SC
> > >     Kernel Version: 2.6.10
> > >             Status: NEW
> > >           Severity: high
> > >              Owner: andmike@us.ibm.com
> > >          Submitter: Steven_Nash@compuserve.com
> > > 
> > > 
> > > Distribution: Fedora Core 3
> > > Hardware Environment: x86 (32 bit)
> > > Software Environment: Vanilla Kernel & Fedora Build Kernel Problem 
> > > Description: After a day or two (varies) the system hangs 
> > and the only 
> > > option is to hit the reset button.  Sometimes sda errors 
> > appear on the 
> > > current active VT but nothing appears in the logs after 
> > reboot (which 
> > > is due to the megaraid driver crashing.  I have tried 
> > forcing the old 
> > > megaraid driver in the kernel config and rebuilding but this has no 
> > > effect.
> > > 
> > > Steps to reproduce:
> > > Run a system for a few days, crashes seem to occure around 
> > 3 am approx.
> > > The
> > > only other SCSI device on the system is a Dell DLT Drive.
> > > 
> > > This is a serious bug!
> > > 
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