On Nov 6, 2007, at 11:00 AM, Pawel Jakub Dawidek wrote:

quoted text
>> The machine has 6 hard disks configured as a raidz2 pool.
>>
>> Please let me know of any test anyone might need.
>
> If you use vm_kern.c.2.patch, can you show loader.conf and exact  
> command
> that can provke the panic?

loader.conf:
zfs_load="YES"
vfs.root.mountfrom="zfs:pool/root"
vm.kmem_size_max="1610612736"
vm.kmem_size="1610612736"

Y bumped up the vnodes as well, as suggested at the ZFS tuning Wiki.

(/etc/sysctl.conf)
kern.maxvnodes: 400000



Anything else? (I just don't want to spam a big message with kernel  
config, etc)

I don't have a fancy config as far as I know. I'm running the latest  
FreeBSD 7-BETA, amd64,
and the machine has 4 GB of memory. It's a Dell Poweredge 2950, I'm  
using the mfi passthough
devices as disks (I don't want to use the disk array functionality it  
provides),

When I did the tests I did not have a swap partition configured, but I  
guess it shouldn't be
related (4 GB is plenty of memory). Anyway I'm going to try again with  
a swap partition today.
(_Not_ on ZFS) so that I can get a kernel dump as well.

Thank you very much,







Borja.




quoted text
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