[Bug 281560] gve (4) uma deadlock during high tcp throughput
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281560 Andrew Gallatin <[email protected]> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |[email protected] --- Comment #5 from Andrew Gallatin <[email protected]> --- (In reply to Mark Johnston from comment #4) To expand on this, the pattern of stack traces look very much like a degenerate behavior in the UMA memory allocator when the per-cpu caches are empty, and the allocation must go back to the zone, and you wind up taking a lock on every allocation. I'd check to see if there is a mbuf leak. The output of vmstat -z would be helpful here. -- You are receiving this mail because: You are the assignee for the bug.