[Bug 362106] [NEW] forcedeth throughput not correct

John-Michael macmasterxiv at sbcglobal.net
Thu Apr 16 02:46:11 UTC 2009


Public bug reported:

For the record, this system was upgraded from intrepid where this issue
was not present.

Kernel: 2.6.28-11-generic

For some reason on the latest version of jaunty (up to date as of today)
and for a while now my nvidia ethernet controller has not been
performing as expected. I suspect this is a driver issue since the speed
bottleneck is apparent in samba and the direct connect protocol. My
speed in these programs seems to be capped at 5MB/sec regardless of if
the link is 100Mb or gigabit. Previously I would get speeds of about
10MB/sec on a 100Mb connection and 20-30MB/sec on a gigabit connection.
According to ethtool the link is negotiating properly (100Mb full duplex
on a 100Mb connection.) This issue is independent of network-manager
since I uninstalled NM and configured eth0 for dhcp in
/etc/network/interfaces

00:05.0 Bridge: nVidia Corporation CK8S Ethernet Controller (rev a2)

If you need more info let me know.

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New

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forcedeth throughput not correct
https://bugs.launchpad.net/bugs/362106
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