[Bug 404708] Re: Broadcom BCM5906M ethernet adapter (tg3) hangs under heavy tcp load (bittorrent) when generic segmentation offload (gso) is in use

Marcel ubuntu at no-network.org
Sun Apr 11 18:58:52 UTC 2010


> Can anyone else please confirm this?

For 2.6.32-9 mainline, I can confirm the problem still exists, same
error as on the karmic standard installation.

For 2.6.33 mainline, the network does not produce corrupted data any
more (with gso on and mtu unchanged at 1500), but -at least on my
machine- the performance becomes very poor (about 2.5 MB/s). Switching
gso off or changing the MTU down to 1000 brings performance back to over
10 MB/s.

> Would someone else please cooperate with the maintainer so that a
fixed Kernel lands in Ubuntu?

I have access to one or two S10e netbooks with that network chip if any
more testing is needed.

-- 
Broadcom BCM5906M ethernet adapter (tg3) hangs under heavy tcp load (bittorrent) when generic segmentation offload (gso) is in use
https://bugs.launchpad.net/bugs/404708
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