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Re: DMA problems with XFS

To: Jorge Garcia <jgarcia@xxxxxxxxxxxx>
Subject: Re: DMA problems with XFS
From: Rob Myers <rob.myers@xxxxxxxxxxxxxxx>
Date: 14 Aug 2001 17:06:42 -0400
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <Pine.LNX.4.33.0108141308480.14973-100000@cueva.cse.ucsc.edu>
References: <Pine.LNX.4.33.0108141308480.14973-100000@cueva.cse.ucsc.edu>
Sender: owner-linux-xfs@xxxxxxxxxxx
jorge-

this is a known issue with the serverworks chipset.  check this thread
on l-k for details.

http://marc.theaimsgroup.com/?t=99602499100003&w=2&r=1

this thread also brings up some questions about how this system performs
with 4gb of memory.  how does it perform for you?  

rob.

On 14 Aug 2001 13:10:46 -0700, Jorge Garcia wrote:
> I'm testing out an XFS install on one of our systems here. The system:
> 
>   ASUS CUR-DLS motherboard
>   Dual 866 MHz Pentium III
>   4 Gb Memory
>   61.5 Gb IBM Deskstar ATA/IDE Disk
> 
> When I install vanilla RedHat 7.1, I get no problems. But, when I install
> from the RH7.1-SGI-XFS-1.0.1.iso CDs, I get some strange DMA messages
> regarding hda:
> 
>   Start mounting filesystem: ide0(3,5)
>   hda: timeout waiting for DMA
>   ide_dmaproc: chipset supported ide_dma_timeout func only: 14
>   hda: status error: status=0x58 { DriveReady SeekComplete DataRequest }
>   hda: drive not ready for command
>   Ending clean XFS mount for filesystem: ide0(3,5)
> 
> The system comes up correctly and runs fine, but every once in a while
> (when there's lots of disk activity) it will complain once again about
> timeouts waiting for DMA, and sometimes other messages that say "DMA
> disabled". Once again, no other problems that I can see, but the error
> messages just get me nervous. Is there a reason for these messages?
> I don't get them when running vanilla RedHat 7.1, so they seem to be a
> product of the XFS installation...
> 
> Any help would be very appreciated.
> 
> Thanks,
> 
> Jorge
> 



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