On 1/18/06, Rodrigo Barbosa <rodrigob at suespammers.org> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On Wed, Jan 18, 2006 at 11:38:38AM -0800, Fong Vang wrote: > > We running htis kernel: kernel-smp-2.6.9-11.EL.i686.rpm. > > I have a fairly good idea what it is: context switch storm. > > We have been seeing it for quite some time. Always Intel hardware, usually > Xeons, but sometimes P4 HTs too. It is a known condition, even tho > the bug itself is still elusive. Could be either related to the > processor or the northbridge. Are you supposed to see this abnomally when using vmstat to see context switch rate? I'm only see < 150 on these machines (but they're functioning now so maybe we just haven't trigger the abnomally?). We are using dual Xeons. Which kernel would you recommend? I guess we'll have to try the kernel from CentOS 4.2. > So far, the only way to stop the problem is switching to a non-smp > Kernel. > > Best Regards, > > - -- > Rodrigo Barbosa <rodrigob at suespammers.org> > "Quid quid Latine dictum sit, altum viditur" > "Be excellent to each other ..." - Bill & Ted (Wyld Stallyns) > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.1 (GNU/Linux) > > iD8DBQFDzp1PpdyWzQ5b5ckRAvfUAJsEKplmubip/tvCCLy2fuDc75WvCgCggvFS > 0kkwIFpeiVIEKPWXEG7bbIo= > =CMTD > -----END PGP SIGNATURE----- > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >