zpool scrub tank && high file system activity caused crash
wxs at FreeBSD.org
Mon Mar 24 20:01:03 PDT 2008
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
> welcome to change it and/or distribute copies of it under certain
> 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?
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