Hi!
We're running Solaris10u4 here on a Sun Fire 2200 (x86/Opteron) with 8 GB RAM, 
and after a long time of problems I'm about to give up our zfs installation (on 
a simple scsi hardware raid) because of massive problems with (low memory?) 
deadlocks - even a simple 'zfs list' sometimes locks the zfs-system for 
minutes, especially when there's some traffic (it's a samba-box). 

I'm sorry for not giving a more detailed description but I guess some people 
know this problem - I just couldn't find any solution or workaround anywhere. 
Could be (i.e.) the same as:
http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6628833
http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6457639

So, is there any workaround for this (changing the arc cache setting in 
/etc/system is at least useless here, adding 4 GB RAM didn't help either) or 
will there be a solution/patch for it in the (near) future?

Greetings from Aachen, germany
Jochem Ippers
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