Date: Tue, 26 Aug 2003 13:22:49 -0400 From: Joe Marcus Clarke <marcus@marcuscom.com> To: Duncan Barclay <dmlb@dmlb.org> Cc: freebsd-mobile@freebsd.org Subject: Re: New BETA of Broadcom 440x chipset driver Message-ID: <1061918569.67559.11.camel@gyros> In-Reply-To: <000501c36b4b$57ba6b20$4bc8a8c0@orac> References: <000501c36b4b$57ba6b20$4bc8a8c0@orac>
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[-- Attachment #1 --] On Mon, 2003-08-25 at 16:56, Duncan Barclay wrote: > Hi > > I think I have fixed the RX packet loss and memory corruption problems with > the previous version of the driver. Please try the code at > > http://people.freebsd.org/~dmlb/bcm-0308252140.tar.gz > > I have manged to get full link speed ftping large files in both direction. > Also, I have successfully populated an empty /usr/src tree with cvsup whilst > up and downloading 50MB files. This is _much_ nicer so far. My interactive sessions (i.e. SSH, checking mail, logging into AIM, etc.) are all much quicker and much more reliable. > > Would people please try this and feed back good and bad experiences. I would > be interested if people could run their favorite net bench marks with the > hw.bcm_rx_quick sysctl set to 1 (default) and 0. Setting to zero forces the > driver to copy data from the NIC, one causes the driver to do a small 44 > byte memory shuffle. Whilst wire speed should not differ, time spent in the > interrupt routine should be less with the sysctl set to 1. I'll try with 0 later, but 1 seems pretty good. I haven't done a big transfer yet, though. > > Please do not use on a "valuable" system. The problem that this release > tries to fix sometimes resulted in kernel memory corruption. :-) Too late. My laptop is pretty important, but it's the only machine I have that can use this driver. Joe > > All the best > > Duncan > > _______________________________________________ > freebsd-mobile@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-mobile > To unsubscribe, send any mail to "freebsd-mobile-unsubscribe@freebsd.org" -- PGP Key : http://www.marcuscom.com/pgp.asc [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQA/S5dpb2iPiv4Uz4cRAnnmAKCHBs8gBSOVCjMtM9AxHfcxkG7oBgCfRQrW Lx3ZwloDMZGelBoQgZ7F5H0= =gpup -----END PGP SIGNATURE-----
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