Re: Temporary random kernel hang

2006-12-15 Thread seven
Peter Zijlstra wrote: > > On Thu, 2006-12-14 at 15:07 -0800, seven wrote: >> >> Andrew Morton wrote: >> > >> > No, I wasn't ignoring you for four days. Please, always do >> reply-to-all. >> > >> >> I am using nab

Re: Temporary random kernel hang

2006-12-15 Thread seven
Peter Zijlstra wrote: On Thu, 2006-12-14 at 15:07 -0800, seven wrote: Andrew Morton wrote: No, I wasn't ignoring you for four days. Please, always do reply-to-all. I am using nabble's interface to post messages ( www.nabble.com ) and I am not subscribed to the mailing list

Re: Temporary random kernel hang

2006-12-14 Thread seven
Andrew Morton wrote: > > No, I wasn't ignoring you for four days. Please, always do reply-to-all. > I am using nabble's interface to post messages ( www.nabble.com ) and I am not subscribed to the mailing list, so it's possible that this is the cause of the direct mail. Andrew Morton

Re: Temporary random kernel hang

2006-12-14 Thread seven
Andrew Morton wrote: No, I wasn't ignoring you for four days. Please, always do reply-to-all. I am using nabble's interface to post messages ( www.nabble.com ) and I am not subscribed to the mailing list, so it's possible that this is the cause of the direct mail. Andrew Morton wrote:

Re: Temporary random kernel hang

2006-12-11 Thread seven
> A kernel profile will tell us were the kernel is burning CPU. Something > like this (run as root): > > #!/bin/sh > while true > do > opcontrol --stop > opcontrol --shutdown > rm -rf /var/lib/oprofile > opcontrol --vmlinux=/boot/vmlinux-$(uname -r) > opcontrol

Re: Temporary random kernel hang

2006-12-11 Thread seven
A kernel profile will tell us were the kernel is burning CPU. Something like this (run as root): #!/bin/sh while true do opcontrol --stop opcontrol --shutdown rm -rf /var/lib/oprofile opcontrol --vmlinux=/boot/vmlinux-$(uname -r) opcontrol

Temporary random kernel hang

2006-12-08 Thread seven
Hello, I have some trouble with a multithreaded java network server running on SLES10. At random times I see the kernel take 80% of the CPU leaving iddle to 0% for 30 seconds. After this period the system returns to normal operation state. Below is a vmstat -a 3 recording that shows the

Temporary random kernel hang

2006-12-08 Thread seven
Hello, I have some trouble with a multithreaded java network server running on SLES10. At random times I see the kernel take 80% of the CPU leaving iddle to 0% for 30 seconds. After this period the system returns to normal operation state. Below is a vmstat -a 3 recording that shows the