On Tue, Feb 02, 2016 at 06:28:58PM +0900, Hajimu UMEMOTO wrote:> Hi, > > >>>>> On Tue, 2 Feb 2016 08:54:17 +0000 > >>>>> Steven Hartland <killing at multiplay.co.uk> said: > > killing> Some more information about your enviroment would be helpful: > killing> 1. What revision of stable/10 are you running? > > It occurs on r292895 and later. > > killing> 2. What workloads are you running? > > Apache, Cyrus IMAPd, BIND and mpd5. However, traffic is almost > nothing without running the periodic daily scripts. > > killing> 3. What's the output of procstat -k -k when this happens (assuming its > killing> possible to run)? > > I could not get it. > > killing> 4. What's the output of sysctl -a |grep vnode, usually and when this > killing> happens? > > The following is usual case: > > kern.maxvnodes: 400000 > kern.minvnodes: 100000 > Syncing disks, vnodes remaining...0 0 0 0 0 done > Syncing disks, vnodes remaining...0 0 0 0 0 0 done > vm.stats.vm.v_vnodepgsout: 129 > vm.stats.vm.v_vnodepgsin: 836656 > vm.stats.vm.v_vnodeout: 101 > vm.stats.vm.v_vnodein: 90562 > vfs.freevnodes: 39680 > vfs.wantfreevnodes: 100000 > vfs.vnodes_created: 141735 > vfs.numvnodes: 59118 > debug.sizeof.vnode: 472Please gather the information listed at https://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.html
On 2016-Feb-02 14:52:37 +0200, Konstantin Belousov <kostikbel at gmail.com> wrote:>Please gather the information listed at >https://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.htmlInterestingly, as soon as I enable INVARIANTS, my kernel will no longer boot. All the other options listed there are OK. The console output ends: TSC timecounter discards lower 1 bit(s) Timecounter "TSC-low" frequency 1150026690 Hz quality 800 hwpc_core: unknown PMC architecture: 0 hwpmc: SOFT/16/64/0x67<INT,USR,SYS,REA,WRI> init_KVMCLOCK_tc: 0x0000000b KVM-style paravirtualized clock detected. Timecounter "KVMCLOCK" frequency 1000000000 Hz quality 1000 WARNING: WITNESS option enabled, expect reduced performance. WARNING: DIAGNOSTIC option enabled, expect reduced performance. Trying to mount root from zfs:zroot []... <<hang>> Unfortunately, I don't have write access to the console so I can't do anything other than reboot at this point. (This is 10-stable/amd64 r295088). If I have some spare time, I'll try reproducing this in a local VBox over the next few days. -- Peter Jeremy -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 949 bytes Desc: not available URL: <http://lists.freebsd.org/pipermail/freebsd-stable/attachments/20160204/1a8dd71f/attachment.sig>
Hi,>>>>> On Tue, 2 Feb 2016 14:52:37 +0200 >>>>> Konstantin Belousov <kostikbel at gmail.com> said:kostikbel> Please gather the information listed at kostikbel> https://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.html I tried the instruction. But, the debugging kernel hang-upped during boot. Therefore I cannot get information. Sincerely, -- Hajimu UMEMOTO ume at mahoroba.org ume at FreeBSD.org http://www.mahoroba.org/~ume/