kern/134011

[Randy Bush]

>>>>> Which arch?
>>>> amd64 and i386
>>>>> How much memory?
>>>> 4g in all cases but one.  that is 1g
>>> You're having problems with both architectures and with 4g?
>> yep.  i am presuming that it is some kernel or other config aspect.
> What type of hard drives?

a zfs system

ad4: 305245MB <Seagate ST3320620AS 3.AAK> at ata2-master SATA150
ad6: 305245MB <Seagate ST3320620AS 3.AAE> at ata3-master SATA150
ad8: 305245MB <Seagate ST3320620AS 3.AAE> at ata4-master SATA150
ad10: 305245MB <Seagate ST3320620AS 3.AAK> at ata5-master SATA150

a gmirror system

ad4: 238475MB <Seagate ST3250820NS 3.AEK> at ata2-master SATA150
ad5: 238475MB <Seagate ST3250820NS 3.AEK> at ata2-slave SATA150
ad6: 238475MB <Seagate ST3250820NS 3.AEK> at ata3-master SATA150
ad7: 238475MB <Seagate ST3250820NS 3.AEK> at ata3-slave SATA150

> How big are your zpools?

again, this is happening on non-zfs systems as well.  i do not think
this is zfs related.  but the zfs system is the one with the worst
lockups.  it looks like

Filesystem        1024-blocks      Used     Avail Capacity  Mounted on
/dev/mirror/boota     8122126    636960   6835396     9%    /
devfs                       1         1         0   100%    /dev
procfs                      4         4         0   100%    /proc
tank/data           653313024         0 653313024     0%    /data
tank/data/nfsen     845243776 191930752 653313024    23%    /data/nfsen
tank/data/rpki      653494144    181120 653313024     0%    /data/rpki
tank                653313024         0 653313024     0%    /tank
tank/usr            658919040   5606016 653313024     1%    /usr
tank/usr/home       660368256   7055232 653313024     1%    /usr/home
tank/usr/usr        658758144   5445120 653313024     1%    /usr/usr
tank/var            654433024   1120000 653313024     0%    /var
tank/var/log        653400960     87936 653313024     0%    /var/log
tank/var/spool      653337088     24064 653313024     0%    /var/spool
/dev/md0               253678        14    233370     0%    /tmp
devfs                       1         1         0   100%    /data/rpki/rcynic/dev

> Do you use compression?

nope

randy