Re: Linux v2.5.48

[Martin J. Bligh]

> This oopses on NUMA-Q sometime prior to TSC synch and then hangs in TSC
> synch because not all cpus are responding where 2.5.47-mm3 (which
> included some intermediate bk stuff) did not. This is because AP's are
> taking timer interrupts before they are prepared to do so. Please apply
> the following patch from Martin Bligh which resolves this issue:

It seems to come and go randomly (timing issue), it's not new with 48. 
Has been happening since 44-mm3 or so. Just as a point of interest,
doesn't seem to be the timer int itself that kill her, it's the 
softirq processing that happens in irq_exit on the way back.

M.