Hi,

On Sat, 12 Jan 2008, Alan Romeril wrote:

> Hello All,
>    In a moment of insanity I've upgraded from a 5200+ to a Phenom 9600 on my 
> zfs server and I've had a lot of problems with hard hangs when accessing the 
> pool.
> The motherboard is an Asus M2N32-WS, which has had the latest available BIOS 
> upgrade installed to support the Phenom.
> 
> bash-3.2# psrinfo -pv
> The physical processor has 4 virtual processors (0-3)
>  x86 (AuthenticAMD 100F22 family 16 model 2 step 2 clock 2310 MHz)
>        AMD Phenom(tm) 9600 Quad-Core Processor

I have almost the same configuration, and with the same problem :-(

ASUS M2N32 WS Professional, BIOS 1703 (latest available)
Phenom 9600
Kingston PC2-5300, 2GB x 4.
AOC-SATA2-MV8, 5 x samsung 750GB disks
OpenSolaris NV81

This machine boot fine. I can login with gnome as desktop. But when I try to 
copy files to a zfs in a zpool created as a raidz of the five samsung disks, it 
crashes before 30MByte is copied. It has crashed with a fma-error, panics or 
just as a hang.

>    The pool is spread across 12 disks ( 3 x 4 disk raidz groups ) attached to 
> both the motherboard and a Supermicro AOC-SAT2-MV8 in a PCI-X slot 
> (marvell88sx driver).  The hangs occur during large writes to the pool, i.e a 
> 10G mkfile, usually just after the physical disk access start, and the file 
> is not created in the directory on the pool at all.  The system hard hangs at 
> this point, even with booting under kmdb there's no panic string and after 
> setting snooping=1 in /etc/system there's no crash dump created after it 
> reboots.  Doing the same operation to a single UFS disk attached to the 
> motherboard's ATA133 interface doesn't cause a problem, neither does writing 
> to a raidz pool created from 4 files on that ATA disk.  If I use psradm and 
> disable any 2 cores on the Phenom there's no problem with the mkfile either, 
> but turn a third on and it'll hang.  This is with the virtualization, and 
> power now extensions disabled in the BIOS.

Thanks for the tip to disable 2 core, this works also for me. But I have 
had one crash after about 1 day. And how to run with all 4 core is still 
the question?

/stefan
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