>> 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 Regards Mario