Date: Sun, 7 Feb 2016 16:24:20 +0100 From: Henri Hennebert <hlh@restart.be> To: Hajimu UMEMOTO <ume@mahoroba.org>, Peter Jeremy <peter@rulingia.com> Cc: stable@FreeBSD.org, mckusick@FreeBSD.org Subject: Re: 10-STABLE hangups frequently Message-ID: <56B761A4.7010901@restart.be> In-Reply-To: <yge8u32pptt.wl-ume@mahoroba.org> References: <ygeegcvpmv1.wl-ume@mahoroba.org> <20160202200738.GA78969@server.rulingia.com> <yge8u32pptt.wl-ume@mahoroba.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On 02/03/2016 02:03, Hajimu UMEMOTO wrote: > Hi, > >>>>>> On Wed, 3 Feb 2016 07:07:38 +1100 >>>>>> Peter Jeremy <peter@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 root@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 root@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 root@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 > ume@mahoroba.org ume@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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?56B761A4.7010901>