RE: random failures with megaraid driver on 2.4.4 SMP

[Atul Mukker.]

This issue has been acknowledged on 1M/2M controllers with firmware H.01.07
and H.01.08.

Atul Mukker
Supervising Software Engineer
RAID R&D
American Megatrends Inc.
6145-F Northbelt Parkway Norcross GA-30071
E-mail: [e-mail]
HTTP: www.ami.com

> -----Original Message-----
> From:	Kelly Martin [SMTP:[e-mail]]
> Sent:	Wednesday, June 27, 2001 9:26 AM
> To:	Kelly Martin; '[e-mail]'
> Subject:	RE: random failures with megaraid driver on 2.4.4 SMP
> 
> FYI, patching megaraid.c to disable 64-bit mode avoids the problem.
> Apparently, the firmware provided by HP for this card is buggy in 64 bit
> mode.  System has run stably for two weeks after applying the patch.
> Contact me if you want the patch.  Thanks to Martti Hyppänen for the
> patch.
> 
> (Posted because I've received followup inquiries; please cc: replies.)
> 
> Kelly Martin
> American Farm Bureau Federation
> [e-mail]
> 
> > -----Original Message-----
> > From:	Kelly Martin 
> > Sent:	Thursday, June 07, 2001 12:40 PM
> > To:	'[e-mail]'
> > Subject:	random failures with megaraid driver on 2.4.4 SMP
> > 
> > I have an HP Netserver 1000r (dual Pentium 3) with a HP NetRAID-1M card
> > running Linux 2.4.4 with the megaraid driver included in 2.4.4 that has
> > twice now experienced kernel panics related to file system damage which
> > appear to be caused by the megaraid driver going mad and scribbling
> > randomly on the drive.  We have using this same driver with 2.2.x
> kernels
> > on other uniprocessor machines with the same NetRAID card for over a
> year
> > with no failures, so it seems likely that this is either a 2.4.x problem
> > or an SMP problem with this driver.  
> > 
> > This machine is slated to become a production system and I do not have a
> > similiarly-configured spare machine, so I am not going to pursue this
> > problem at this time.  This card works fine under 2.2.x so we are going
> to
> > use 2.2.19 on this machine for now.  However, doing so makes our second
> > processor little more than a space heater.  I have not tried using other
> > versions of the megaraid driver or kernels other than 2.4.4; I simply
> > cannot spare the time right now.
> > 
> > I am not subscribed to the mailing list; please cc: replies.
> > 
> > Kelly Martin
> > American Farm Bureau Federation
> > [e-mail]
> > 
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