Re: Silent Northbridge MCE Messages / Kernel 2.4.21-9.0.1.ELsmp

[Florian Krueger]

On Fri, 5 Mar 2004, vda wrote:

> On Friday 05 March 2004 09:52, Florian Krueger wrote:
> > Northbridge Machine Check exception b60000010005001b 0
> > Uncorrectable condition
> > Unrecoverable condition
> .......
> > We aren't able to reproduce the crashes with the new Kernel but have more
> > and more Messages in Kernel log like this:
> >
> > CPU 1: Silent Northbridge MCE
> > Northbridge status a60000010005001b
> >     GART TLB error generic level generic
> 
> Do you use AGP? AFAIK GART is an AGP thing. Can you disable AGP
> and plug in PCI video?

The machines run in a HPC Compute Cluster. Graphics is on Board. No
Graphical Login is configured. Machines are running Simulations over
Network Cluster. We don't have PCI Graphic Cards available.

Boot shows following:

Mar  1 16:13:25 localhost kernel: Linux agpgart interface v0.99 (c) Jeff
Hartmann
Mar  1 16:13:25 localhost kernel: agpgart: Maximum main memory to use for
agp
memory: 5944M
Mar  1 16:13:25 localhost kernel: PCI-DMA: Disabling AGP.
Mar  1 16:13:25 localhost kernel: PCI-DMA: aperture base @ c000000 size
65536
KB
Mar  1 16:13:25 localhost kernel: PCI-DMA: Reserving 64MB of IOMMU area in
the AGP aperture

> 
> Also, did you run memtest86? I don't know whether it
> supports AMD64 and >4Gb mem, but maybe it does.
> --
> vda
> 

Cheers

florian krueger
> 

Dipl. Informatiker Florian Krueger       science+computing ag
Contact at Infineon Technologies
Phone  +49-89-234-20167
Mobile +49-171-317-5441
email  tdsc.fkr@xxxxxxxxxxxx

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