On 2006.05.19 16:40:52 +0800, Chris Leung wrote: > Dear all, > > I am not sure am I posting to the right mailing list. However, I've get > the following problem. > > I have 5 pieces of the same configuration of Dell PE1850 dual Xeon 3Ghz > machine excpet 2 of them is 2GB Ram instead of 1GB. They are running > similar set of application on FreeBSD 5.4 platform with custom kernel with > IPFILTER, IPFIREWALL and SMP enabled. > > I have the problem as follow: > > 1 machine running very well and stable with HTT enable. > > 2 machines will be freeze when running around several hours but machines > become stable when turn off HTT. > > 2 machines will freeze when running around several hours whatever HTT > setting. And machine seem good if running with Kernel without option SMP. > > I would like to know if anyone having the similar experience as us?
Have you disabled USB in the BIOS? I can't recall exactly what the problem is (something related to interrupts AFAIR), but the effect is that you will see the system hang if you don't disable USB on Dell PE1850's. I haven't had a problem since I disabled USB. The problem has been discussed several times in the past on the FreeBSD lists. -- Simon L. Nielsen
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