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nhorman / dropwatch

user space utility to interface to kernel dropwatch facility
GNU General Public License v2.0
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Receive operation failed:: No buffer space available #85

Closed rmbq closed 5 months ago

rmbq commented 9 months ago

Hi! i'm using dropwatch to debug drops in my system.

I tried launching dropwatch with and without -l kas I set it with set sw 1 set hw 0 set alertmode packet Every time i have a drop dropwatch prints: Receive operation failed:: No buffer space available if i set sw 0 set hw 1 it prints nothing. I can i debug this further? Thanks

nhorman commented 9 months ago

I'd start by stracing dropwatch. It sounds like you're system is memory constrained to the point that dropwatch is getting failures from the kerenel due to a full socket buffer. A strace would confirm that