Re: PROBLEM: All CPUs in soft lockup

2013-03-27 Thread Robert Norris
On Wed, Mar 27, 2013 at 12:55:41PM +1100, Robert Norris wrote: > The console shows a new "BUG: soft lockup" line every few seconds Looking closer, the whole thing starts with a _hard_ lockup. 2013-03-26T08:33:39.921834-04:00 imap30 kernel: [185090.090328] Watchdog detected hard LOCKUP on cpu

Re: PROBLEM: All CPUs in soft lockup

2013-03-27 Thread Robert Norris
On Wed, Mar 27, 2013, at 02:42 PM, li guang wrote: > seems tasks are hogging your cpu/memory resource, did you check status > your servicing processes? According to my monitoring I have plenty of CPU and memory free at the time the problem occurs. What specifically are you looking at the data I

Re: PROBLEM: All CPUs in soft lockup

2013-03-27 Thread Robert Norris
On Wed, Mar 27, 2013, at 02:42 PM, li guang wrote: seems tasks are hogging your cpu/memory resource, did you check status your servicing processes? According to my monitoring I have plenty of CPU and memory free at the time the problem occurs. What specifically are you looking at the data I

Re: PROBLEM: All CPUs in soft lockup

2013-03-27 Thread Robert Norris
On Wed, Mar 27, 2013 at 12:55:41PM +1100, Robert Norris wrote: The console shows a new BUG: soft lockup line every few seconds Looking closer, the whole thing starts with a _hard_ lockup. 2013-03-26T08:33:39.921834-04:00 imap30 kernel: [185090.090328] Watchdog detected hard LOCKUP on cpu 3

Re: PROBLEM: All CPUs in soft lockup

2013-03-26 Thread li guang
seems tasks are hogging your cpu/memory resource, did you check status your servicing processes? 在 2013-03-27三的 12:55 +1100,Robert Norris写道: > In the last two weeks we've had three servers (identical hardware, > software and load) hang. The details in this report are from one that > hung last

Re: PROBLEM: All CPUs in soft lockup

2013-03-26 Thread li guang
seems tasks are hogging your cpu/memory resource, did you check status your servicing processes? 在 2013-03-27三的 12:55 +1100,Robert Norris写道: In the last two weeks we've had three servers (identical hardware, software and load) hang. The details in this report are from one that hung last night.