[Illumos-team] [OpenIndiana Distribution - Bug #1402] ixgbe intel 10gbit driver very slow

[illumos project]

Issue #1402 has been updated by Dan McDonald.


While #1361 does need a tiny fix, it was not the cause of the regression.

#534, a fix to ddi_dma_mem_alloc(), caused the regression.  The simple thing would be to back it out.  A suggestion of further analysis was recommended.  Stay tuned to see what happens.
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Bug #1402: ixgbe intel 10gbit driver very slow
https://www.illumos.org/issues/1402

Author: Phil Harrison
Status: New
Priority: Normal
Assignee: OI illumos
Category: Drivers
Target version: oi_151_stable
Difficulty: Medium
Tags: ixbge


After doing a clean install to OpenIndiana 151 I noticed that iperf was only showing about 5% utilization of the ixbge0 adapter. Previously in OpenIndiana 148 this figure was around 85-90%.


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