On Fri, Mar 24, 2006 at 09:53:40 +0530, Vijay R wrote: > Hey, > > I am using Monta Vista Linux 3.0 with kernel version: 2.4.18-3 Well, that's ancient stuff. The problem might have well been already fixed in 2.6 kernel (especially since it looks like the O1 scheduler could help here). Can you switch to a newer kernel? Besides Monta Vista is quite a heavily patched kernel, no? I fear you will have to ask Monta Vista for support if you need changes to that particular version. > > Thanks n regards, > Vijay > > On 3/23/06, Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> wrote: > > > > Hi guys.... > > > > > We faced similar kind of problem, we were trying to send the data > > > using smtp protocol this involves creating a call to tmpfile(using > > > with we used to create tmp file and give the file to the SMTP), bt > > > the tmpfs is of only 512 Kb so when ever tmp file reaches the 512 Kb > > > or goes beyond that all the other irrelevant processes were showing > > > huge increase in CPU utilization and the system used to crash. > > > > It will be a good idea if you use oprofile or built-in profiling feature > > inside Linux kernel to find the hotspot. Then, based on the result, > > together we can find the root of the trouble. Also, please provide > > kernel version (+ patches, if any) you currently use. > > > > Just a guess, maybe recently someone is increasing the number of softirq > > being processed inside interrupt handler path. So instead of passing > > them to ksoftirqd, more and more softirq is processed in the handler. > > > > regards > > > > Mulyadi > > > > -- Jan 'Bulb' Hudec <bulb@xxxxxx>
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