Regression with iwn drivers (4965BGN) in 8.2-PRERELEASE ?

Olivier Cochard-Labbé olivier at cochard.me
Thu Jan 6 09:17:08 UTC 2011


Hi all,
Since I've upgraded from 8.1 to 8.2RC, my wireless negotiated speed is
very very slow (more exactly it start at normal speed, but decrease
each second still stopping a 1Mbps and became unusuable).

I'm using iwn drivers:
iwn0: <Intel(R) PRO/Wireless 4965BGN> mem 0xf6cfe000-0xf6cfffff irq 17
at device 0.0 on pci12
iwn0: MIMO 2T3R, MoW2, address 00:1d:e0:72:10:01
iwn0: [ITHREAD]
iwn0: 11a rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
iwn0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
iwn0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps
24Mbps 36Mbps 48Mbps 54Mbps

[root at d630]~#uname -a
FreeBSD d630.bsdrp.net 8.2-PRERELEASE FreeBSD 8.2-PRERELEASE #1: Sun
Jan  2 01:32:14 CET 2011
root at d630.bsdrp.net:/usr/obj/usr/src/sys/GENERIC  amd64

Does anybody else meet the same problem ?

Thanks,

Olivier


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