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SubjectRe: 2.5.62-mjb3 (scalability / NUMA patchset)
>> The patchset contains mainly scalability and NUMA stuff, and anything 
>> else that stops things from irritating me. It's meant to be pretty
>> stable, not so much a testing ground for new stuff.
>> I'd be very interested in feedback from anyone willing to test on any
>> platform, however large or small.
>> mjb 3.bz2
> Martin,
> I have been seeing system hangs on my 16 processor numaq while running
> contest. The system will hang within a few seconds to half an hour.
> Unfortunately there is no stack trace or any other indication on the
> system console. I have been running your 2.5.62-mjb2 without problems
> previously. Any ideas what I can do to narrow this down?

Humpf. Can you try backing out this patch (it caused me similar problems on
59, but seemed fine in 62). I suspect it's just changing timing enough that
we hit some other bug ... if you could, would be nice to try the ALT+SYSRQ
stuff, or turn on NMI watchdogs and get a backtrace ... I've not been able
to reproduce this on recent kernels.



diff -urpN -X /home/fletch/.diff.exclude
--- 330-no_kirq/include/asm-i386/mach-numaq/mach_mpparse.h Fri Jan 17
09:18:31 2003
+++ 340-auto_disable_tsc/include/asm-i386/mach-numaq/mach_mpparse.h Mon Feb
24 08:14:42 2003
@@ -32,6 +32,7 @@ static inline void mps_oem_check(struct
if (mpc->mpc_oemptr)
smp_read_mpc_oem((struct mp_config_oemtable *) mpc->mpc_oemptr,
+ tsc_disable=1;

/* Hook from generic ACPI tables.c */
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