On Mar 19, 5:56pm, [email protected] (Al Zick) wrote: -- Subject: Re: some apache processes running away with cpu
| Hi, | | On Mar 17, 2013, at 8:51 PM, Christos Zoulas wrote: | | > In article <[email protected]>, | > Al <[email protected]> wrote: | >> Hi, | >> | >> I have 2 system running NetBSD 5.1.2. They both have an issue with | >> some | >> apache processes using all available cpu. If I kill those process or | >> restart apache then the problem goes away for a little while. Is this | >> something that anyone else has already dealt with? Is there a fix | >> for it? | > | > ktrace them... | | I had to wait until a process started using all available cpu again. | It is so random when it happens. Sometimes there are a bunch of | processes and other times I have to wait all day. | | I ran ktrace -p {process id}, it creates ktrace.out, but there is | nothing in the file. However, when I restarted apache it did put | something in ktrace.out. Here is the output from kdump: So it is looping without calling system calls (if this output is correct). Attach with gdb to the running process and get a stack trace from there. christos
