07.01.2016 1:00, Chagin Dmitry пишет:
Hi, all.
Here's a panic that occurs during the massive network loads,
as far as I can see network segment has eaten the whole stack, so
only 0xeb0 bytes left for interrupt hanlder.
For stable/10, sys/amd64/include/param.h defines KSTACK_PAGES=4 as default
and GENERIC does not redefine it but NOTES gives example of increase upto 5.
You could increase kernel thread size that way or switch to
sysctl net.isr.dispatch=deferred so that input path just enqueues new frame
and returns, freeing stack. Netisr kernel thread will take care of it later.
Eugene Grosbein
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