https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213257
free...@mcwest.org changed:
What |Removed |Added
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CC| |free...@mcwest.org
--- Comment #10 from free...@mcwest.org ---
ALTQ requires the legacy single-queue mode in the igb(4) driver, but it seems
this mode is unstable with high-bandwidth traffic. However, ALTQ may still be
used by adding a queue to limit throughput through igb interfaces. For
example, the following workaround has prevented crashes on my systems for the
last six months:
## Limit bandwidth on internal interface to avoid igb driver bug
altq on $int_if cbq bandwidth 404Mb queue { internal }
queue internal bandwidth 99% priority 1 cbq(default red borrow)
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