Re: Intermittent hangs in vmem_periodic()

2013-09-16 Thread hiren panchasara
On Sun, Sep 15, 2013 at 5:52 PM, Davide Italiano dav...@freebsd.org wrote: Thanks Gleb. I've removed DIAGNOSTIC and the problem is gone now. JFYI, I hit this problem today as well. I don't think you really need to disable DIAGNOSTIC completely in order to get rid of that. I've noticed

Re: Intermittent hangs in vmem_periodic()

2013-09-15 Thread Davide Italiano
Thanks Gleb. I've removed DIAGNOSTIC and the problem is gone now. JFYI, I hit this problem today as well. I don't think you really need to disable DIAGNOSTIC completely in order to get rid of that. I've noticed Peter Holm has recently committed a new sysctl that allows you to selectively

Re: Intermittent hangs in vmem_periodic()

2013-09-12 Thread Gleb Smirnoff
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@flymocko h

Re: Intermittent hangs in vmem_periodic()

2013-09-12 Thread hiren panchasara
On Sep 12, 2013 2:27 AM, Gleb Smirnoff gleb...@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

Re: Intermittent hangs in vmem_periodic()

2013-09-12 Thread hiren panchasara
On Thu, Sep 12, 2013 at 8:16 AM, hiren panchasara hiren.panchas...@gmail.com wrote: On Sep 12, 2013 2:27 AM, Gleb Smirnoff gleb...@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

Re: Intermittent hangs in vmem_periodic()

2013-09-12 Thread hiren panchasara
+jeff On Thu, Sep 12, 2013 at 11:17 AM, Gleb Smirnoff gleb...@freebsd.org wrote: On Thu, Sep 12, 2013 at 09:31:17AM -0700, hiren panchasara wrote: h h PMC: [INSTR_RETIRED_ANY] Samples: 117647 (100.0%) , 6885 unresolved h h h h %SAMP CALLTREE h h 75.9 fork_exit@kernel

Re: Intermittent hangs in vmem_periodic()

2013-09-12 Thread Gleb Smirnoff
On Thu, Sep 12, 2013 at 09:31:17AM -0700, hiren panchasara wrote: h h PMC: [INSTR_RETIRED_ANY] Samples: 117647 (100.0%) , 6885 unresolved h h h h %SAMP CALLTREE h h 75.9 fork_exit@kernel taskqueue_thread_loop taskqueue_run_locked h h vmem_periodic(75.9%) h h You probably got

Intermittent hangs in vmem_periodic()

2013-09-11 Thread hiren panchasara
I am seeing really weird system freeze for 2-3 seconds every minute or so. % uname -a FreeBSD flymockour-l7.corp.yahoo.com 10.0-CURRENT FreeBSD 10.0-CURRENT #2 r255423M: Mon Sep 9 12:29:22 PDT 2013 root@flymocko ur-l7.corp.yahoo.com:/usr/obj/usr/home/hirenp/head/sys/GENERIC amd64 Simple

Re: Intermittent hangs in vmem_periodic()

2013-09-11 Thread hiren panchasara
On Wed, Sep 11, 2013 at 9:51 PM, hiren panchasara hiren.panchas...@gmail.com wrote: I am seeing really weird system freeze for 2-3 seconds every minute or so. % uname -a FreeBSD flymockour-l7.corp.yahoo.com 10.0-CURRENT FreeBSD 10.0-CURRENT #2 r255423M: Mon Sep 9 12:29:22 PDT 2013