El mar, 16-12-2003 a las 12:39, Jason Lim escribió: > Just noticed one more thing... it appears to be Apache causing the super > high load (among other programs running) when SMP is compiled into the > kernel, and with a bunch of errors in syslog: > > [Wed Dec 17 02:27:37 2003] [notice] child pid xxxxxx exit signal > Segmentation fault (11) > > (and a whole bunch of these errors, like 50 lines) > > I did a search and someone said it has to do with Apache requesting memory > that it doesn't own or something: > http://lists.debian.org/debian-apache/2002/debian-apache-200207/msg00005.html >
Mhm... i dont want to be hasty, but it seems im looking at exactly this problem for a very memory hungry php application.... > but that doesn't really help in this case, unless you guys can think of a > different angle on this? > > > ----- Original Message ----- > From: "Jason Lim" <[EMAIL PROTECTED]> > To: <debian-isp@lists.debian.org> > Sent: Tuesday, December 16, 2003 11:23 PM > Subject: Intel Hyperthreading problem on server? > > > > Hi All... > > > > Do you guys know anything about a problem with Intel Hyperthreading (eg. > > on the Intel 2.4Ghz HT-enabled processor) that would cause the load > > average to jump to over 200? > > > > Here is the log line: > > > > Dec 16 22:48:17 be watchdog[250]: loadavg 203 101 40 is higher than the > > given threshold 200 150 100! > > > > (then it reboots) > > > > This happened on the 2.4.22 kernel, and now I tried it with the 2.4.23 > > kernel, and it has the same problem. > > > > When the kernel is compiled WITHOUT SMP support, the kernel works fine, > > and it can have uptimes of months without any problem. But when SMP is > > compiled in, and the HT processor is correctly identified (and top can > see > > CPU0 and CPU1), then it only takes about an hour or two of operation > > before the load average jumps like that. Note that this is with Debian > > woody/stable, and with a clean kernel.org kernel. > > > > Do you guys know anything about this, or have any ideas where I should > > look? Is there something in Woody that isn't friendly with SMP or > perhaps > > HyperThreading processors? > > > > Thanks in advance. > > > > Sincerely, > > Jas > > > > > > -- > > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > > with a subject of "unsubscribe". Trouble? Contact > [EMAIL PROTECTED] > > > > >