https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211962
Matt Joras <matt.jo...@gmail.com> changed:
What |Removed |Added
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CC| |matt.jo...@gmail.com
--- Comment #2 from Matt Joras <matt.jo...@gmail.com> ---
So this is a symptom of a problem we have been working to address at Isilon,
and there's some pretty significant refactors I've done to the tx path to avoid
problems like this.
As you touched on, the fundamental problem here is actually that there's
nothing that guarantees the continual draining of the drbr, so the driver can
get stuck in various states of not transmitting as fast as it can. I addressed
this mostly by adding a deferred tx task which guarantees that as long as there
is packets sitting on the drbr there will be a tx task scheduled to drain them.
We've tested these changes internally and they have been submitted to Qlogic
for regression testing. They have stated they plan to commit them once this
regression testing is done (optimistically around next week).
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