On 02/07/16 16:24, Henri Hennebert wrote:
On 02/03/2016 02:03, Hajimu UMEMOTO wrote:
Hi,
On Wed, 3 Feb 2016 07:07:38 +1100
Peter Jeremy <pe...@rulingia.com> said:
peter> As others have said, you need to provide lots more detail on your
peter> configuration.
CPU: AMD Athlon(tm) 64 Processor 3500+
Memory: 4GB
HDD: 3TB
I'm using ZFS only setup.
peter> There were no problems at r290231 but after I upgraded to r295005, I
peter> started seeing "out of swap" errors and hangs during the periodic
peter> daily runs. I'm not seeing this on 1GB instances - though they are
peter> all running UFS.
r292875 runs well:
FreeBSD asuka.mahoroba.org 10.2-STABLEFreeBSD 10.2-STABLE #5 r292875: Tue Feb
2 07:08:29 JST 2016 r...@asuka.mahoroba.org:/usr/obj/usr/src/sys/ASUKA amd6
r292895 hangs:
FreeBSD asuka.mahoroba.org 10.2-STABLE FreeBSD 10.2-STABLE #6 r292895: Tue Feb
2 10:17:28 JST 2016 r...@asuka.mahoroba.org:/usr/obj/usr/src/sys/ASUKA amd64
I tried latest stable (r295137) with the sys/kern/vfs_subr.c part of
r292895 reverted, and it seems running well, here:
FreeBSD asuka.mahoroba.org 10.3-PRERELEASE FreeBSD 10.3-PRERELEASE #0 r295137M:
Tue Feb 2 20:39:11 JST 2016
r...@asuka.mahoroba.org:/usr/obj/usr/src/sys/ASUKA amd64
peter> Some experimentation suggested that just "find /" was enough to wedge
peter> my system. I did some experimenting and found that the following
peter> loader config was enough to prevent it hanging:
peter> vfs.zfs.arc_max="128M"
peter> vfs.zfs.arc_meta_limit="50M"
peter> vfs.zfs.arc_min="25M"
peter> (previously, I had no ZFS tuning at all).
I had ZFS tuning before. However, after this problem was occur, I
removed all of ZFS tuning.
The FS related setting is only kern.maxvnodes=400000, now.
Sincerely,
--
Hajimu UMEMOTO
u...@mahoroba.org u...@freebsd.org
http://www.mahoroba.org/~ume/
I encounter a hangup 3 times after I upgrade to
10.3-PRERELEASE r295247M in a zfs configuration (i386 with 2GB memory)
while trying to run security/tripwire (compute checksum on all the files).
With /usr/src/sys/kern/vfs_subr.c at revision 291757 all return to normal.
Henri
PS thanks Hajimu
Thanks for the tip. Reverting vfs_subr.c to 291757 keeps things stable
again.
/Henrik
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