On Fri, Dec 08, 2000 at 02:45:00AM -0800, Mike Smith wrote:
> > We got old Mylex DAC960PD-Ultra-raid-adapter and have tried to use it
> > with FreeBSD 4.2-stable and 5.0-current. Adapter is configured with
> > three luns 5+5*9G, 8+8*9G (raid5) and 1+1*2G (mirrored boot disk).
> > All 9G disks are quite old Seagate Barracuda 9 disks ST19171W. System
> > is working quite well but under heavier load we start to get scsi
> > errors from luns.
> > sense = 4 asc = 3 asq = 0
> > sense = 1 asc = 3 asq = 0
> > sense = 3 asc = 12 asq = 0
> > sense = 3 asc = 11 asq = 0
>
> Your disks just aren't up to this sort of workload.
>
> > This is not so bad but 5-30 minutes after this command system will
> > always panic.
> > cd /uu ; dump 0buf 126 - /w | restore xbf 126 -
> >
> > mode = 0100644, inum = 720391, fs = /uu
> > panic: ffs_valloc: dup alloc
>
> This looks like memory or PCI data corruption. You don't say how you're
> generating this load, or what the motherboard is, but I suspect that you
> may have hardware issues here.
PCI bus clock is at the nominal speed? Can be a source of interesting
effects.
--
Wilko Bulte Arnhem, the Netherlands
[EMAIL PROTECTED] http://www.freebsd.org http://www.nlfug.nl
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