Re: Linux on UltraSparcII E450

[Ben Collins]

On Sat, Apr 17, 2004 at 10:53:03AM +0200, Marc Giger wrote:
> Hi All,
> 
> Last week I had the honor to install Linux on a E450 with 2 cpu's. All
> went fine at first. Long compiling sessions were no problem for the
> machine. Later we installed 16 additional SCSI disks and we built 
> 4 x Soft-RAID5 groups with 4 disks each.
> After some time during the sync processes the machine stops responding.
> Simply dead. The same thing happens after every boot when the sync
> process is in action.
> 
> My question now is: Is it a hardware or a kernel problem? I now it isn't
> a simple question with the given infos.
> Is it possible that the 4 parallel sync processes are to much for the
> SCSI (standard LSI) controllers?
> I assume that the kernel RAID5 code is stable on sparc?!

Try enabling some debug, like spinlock debug and such. See if that spits
out anything interesting.

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