On Fri, 2005-05-13 at 13:50 -0600, mbeltran@xxxxxxxxxxxxxxxxx wrote:
> > >> Hi all
> > >>
> > >> I have a box with Centos 4 and qmail with all pathches. since Last
> month
> > i
> > >> have had twice the same problem. The process kswapd0 uses all my
> > resources
> > >> of CPU and RAM memory and the consequence is that my local queue
> grow up
> > and
> > >> the box go slow too.
> > >>
> > >> The first time i guess the problem was the version of the kernel,
> so i
> > did
> > >> an upgrade form kernel.i686 2.6.9-5.0.3.EL to kernel.i686
> 2.6.9-5.0.5.EL
> > >>
> > >> apparently the problem was solved but today the problem came again.
> The
> > >> following snapshot shows the situation:
> > >>
> > >>
> > >> top - 10:53:48 up 16 days, 20:05, 1 user, load average: 119.27,
> 116.16,
> > >> 114.33
> > >> Tasks: 528 total, 13 running, 515 sleeping, 0 stopped, 0
> zombie
> > >> Cpu(s): 5.4% us, 89.4% sy, 0.0% ni, 0.3% id, 4.8% wa, 0.0% hi,
> 0.1%
> > si
> > >> Mem: 2075012k total, 2073404k used, 1608k free, 71056k
> buffers
> > >> Swap: 4192924k total, 4192924k used, 0k free, 36380k
> cached
> > >>
> > >> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+
> COMMAND
> > >> 60 root 17 0 0 0 0 D 75.4 0.0 585:22.79
> kswapd0
> > >> 2164 root 15 0 1736 484 432 S 31.0 0.0 31:57.07
> > couriertcpd
> > >> 16334 vpopmail 19 0 2660 804 668 R 24.7 0.0 0:01.69
> imapd
> > >> 2158 root 15 0 3264 488 432 S 23.4 0.0 1:17.51
> > couriertcpd
> > >> 32608 apache 16 0 21604 8440 3016 R 15.5 0.4 1:38.09
> httpd
> > >> 15284 vpopmail 18 0 4384 1032 760 R 14.9 0.0 0:08.32
> > vdelivermail
> > >>
> > >>
> > >>
> > >> I really do not know what thing should i do for solve this problem
> > >>
> > >> thanks in advance
> > >>
> > >> Mario
> > >
> > >I think this bug is your problem:
> > >
> > >https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=150971
> > >
> > >You can try the kernel at:
> > >
> > >http://people.redhat.com/davej/kernels/RHEL4/RPMS.kernel/
> > >
> > >(or I can give you version 2.6.9-6.37.EL that is in 4Update1 beta)
> >
> > Hi Mr. Hughes
> >
> > The kernel version 2.6.9-6.37.EL has known issues
>
> >That is the only other one I have for EL4 (other than the released
> >kernels).
>
> >Maybe the 2.6.9-10.EL then ... but that is pretty new ... he just made
> >it yesterday :)
>
> Hi again Mr Hughes
>
> So sorry but i forgot the question mark :S
>
> I really want to know if this kernel has known issues (The kernel version
> 2.6.9-6.37.EL has known issues?)
>
OK ... got it :)
The 2.6.9-6.37.EL kernel is supposed to fix the memory bug that I
pointed to earlier. The 2.6.9-10.EL kernel is also supposed to fix that
issue.
As to other issues, I am sure there are some ... but none that I know
about.
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