Re: Kernel Panic with ZFS

Kevin Baragona wrote:
> My kernel just panicked. Here is what it said.
> 
> panic: kmem_malloc(131072): kmem_map too small: 167264256 total allocated
> cpuid = 0
> KDB: enter: panic
> [thread pid 37 tid 100042 ]
> Stopped at      kdb_enter+0x32: leave
> db> :(
> 
> 
> At the time this happened I was transferring lots of files to this
> system (personal file server) via the Apple File Protocol -- netatalk.
> It went fine for a few GB. Then this happened.
> 
> The reason I'm running current rather than stable is that ZFS is a
> selling point.(but opensolaris doesn't work for me...) I have a zpool
> with 2 hard drives and 1 partition of a slice of another disk that is
> shared with root and swap. Mirroring isn't on.
> 
> This farily old PC has a Pentium III Tualitin Celeron, and just 512MB of
> RAM. But the unrecommended minimum is 1 GB for ZFS. So I'm not sure if
> the problem is...
> 
> I'm out of RAM. But I watched the memory usage and it didn't go up. Swap
> wasn't touched at all.
> 
> Network related? Googling for the error I got got something I believe is
> unrelated.
> Or something else. Anyway I'm leaving the machine on in case anyone
> could use a trace if it helps.
> 
Have a look at http://wiki.freebsd.org/ZFSTuningGuide
the vm.kmem_size_max given there is 256Meg but set it higher if you have
memory to spare.


> Thanks in advance!
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