"Hen, Shmulik" wrote:
>
> The kdb trace was accurate, we could actually see the e100 ISR pop from no
> where right in the middle of our ans_notify every time the TX queue would
> fill up. When we commented out the call to spin_*_irqsave(), it worked fine
> under heavy stress for days.
>
> Is it possible it was something wrong with 2.4.0-test10 specifically ?
>
Sorry, no. If spin_lock_irqsave()/spin_unlock_irqrestore()
were accidentally reenabling interrupts then it would be
the biggest, ugliest catastrophe since someone put out a kernel
which forgot to flush dirty inodes to disk :)
Conceivably it was a compiler bug. Were you using egcs-1.1.2/x86?
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