On Thu, Sep 12, 2013 at 8:16 AM, hiren panchasara < hiren.panchasara_at_gmail.com> wrote: > > On Sep 12, 2013 2:27 AM, "Gleb Smirnoff" <glebius_at_freebsd.org> wrote: > > > > On Wed, Sep 11, 2013 at 09:51:16PM -0700, hiren panchasara wrote: > > h> I am seeing really weird system freeze for 2-3 seconds every minute > or so. > > h> > > h> % uname -a > > h> FreeBSD flymockour-l7.corp.yahoo.com 10.0-CURRENT FreeBSD > 10.0-CURRENT #2 > > h> r255423M: Mon Sep 9 12:29:22 PDT 2013 root_at_flymocko > > h> ur-l7.corp.yahoo.com:/usr/obj/usr/home/hirenp/head/sys/GENERIC amd64 > > h> > > h> Simple comands like "man top" hangs and this is what I see in ctrl+T > > h> % man top > > h> load: 1.59 cmd: zcat 76574 [*kmem arena] 2.16r 0.00u 1.82s 16% 2000k > > h> load: 1.70 cmd: zcat 76574 [*kmem arena] 7.19r 0.00u 1.82s 7% 2000k > > h> load: 1.89 cmd: zcat 76574 [*kmem arena] 12.58r 0.00u 1.82s 3% 2000k > > h> load: 1.90 cmd: zcat 76574 [*kmem arena] 14.58r 0.00u 1.82s 2% 2000k > > h> > > h> I see similar things while trying to "exit" a terminal window. > > h> > > h> I see following in pmcstat: > > h> > > h> PMC: [INSTR_RETIRED_ANY] Samples: 117647 (100.0%) , 6885 unresolved > > h> > > h> %SAMP CALLTREE > > h> 75.9 fork_exit_at_kernel taskqueue_thread_loop taskqueue_run_locked > > h> vmem_periodic(75.9%) > > > > You probably got DIAGNOSTIC in your kernel config. > > Yes. And I've always had that. Never been a problem before. What has > changed? > Thanks Gleb. I've removed DIAGNOSTIC and the problem is gone now. But the way system was behaving with DIAGNOSTIC, its unusable. Thanks again, HirenReceived on Thu Sep 12 2013 - 14:31:19 UTC
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