FreeBSD -STABLE servers repeatedly crashing.

[Claus Guttesen]

> I'm experiencing the same crashes as Matt, but on 5.4-RELEASE-p3. The machine
> is a HP DL380 G3 and it is heavily loaded (postfix mail server running
> amavisd-new with antivirus and antispam, so it has heavy IO and CPU load). It
> does not survive more than a couple of hours, while it is rock stable running
> 4.11. We have four machines like this, three of them are now again running
> 4.11 and we left the fourth one at 5.4. We have two other DL380 servers
> working on our outbound mail queue, but they are not SMP and they are rock
> stable on 5.4.
>
> CPU: Intel(R) Xeon(TM) CPU 3.06GHz (3049.93-MHz 686-class CPU)
>    Origin = "GenuineIntel"  Id = 0xf29  Stepping = 9
>    Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>    Hyperthreading: 2 logical CPUs

Have you tried to disable HTT? It's doesn't give you alot, and in some
cases it decreases performance.

regards
Claus