On Mar 24, 2008, at 19:46 , Wesley Shields wrote:
On Mon, Mar 24, 2008 at 04:23:19PM -0700, Bert JW Regeer wrote:
Hey guys,
I am running FreeBSD 7.0-RELEASE with GENERIC on a AMD XP Athlon
3500+ with
1267 MB of ram, and a GigBit NIC. I am testing out ZFS just for the
hell of
it, I know, 32 bit is not suggested and runs badly, but it does
what it
needs to do.
I was copying large amounts of data for backup purposes from my
MacBook Pro
to the machine over FTP. At the time I was looking around the man
page for
zpool, and figured I'd run a zpool scrub just to see how badly it
affects
performance. It affects it in that it takes down the machine with a
dump.
keyhole# kgdb kernel.debug /var/crash/vmcore.0
[GDB will not be able to debug user-mode threads: /usr/lib/
libthread_db.so:
Undefined symbol "ps_pglobal_lookup"]
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License,
and you
are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for
details.
This GDB was configured as "i386-marcel-freebsd".
Unread portion of the kernel message buffer:
panic: vm_page_insert: offset already allocated
cpuid = 0
Uptime: 10h58m58s
Physical memory: 1267 MB
Dumping 335 MB: 320 304 288 272 256 240 224 208 192 176 160 144 128
112 96
80 64 48 32 16
Out of curiosity, have you done any tuning on this machine?
Specifically some of the stuff mentioned on the wiki?
-- WXS
I had not. I changed the size the kernel was allowed to be to at least
512 M as that is recommended, and I got the same panic as the first
email I sent out (this time as seen in dmesg -a), I also ran out of
space on /var so it did not save the vmcore :(.
I am going to wait till I get my 64 bit system up and running before
messing with ZFS again. I don't think the amount of ram I have in that
machine would be enough with some of the other stuff it will have to
do as well, if I let the kernel eat up to a GB.
Bert JW Regeer
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