On Friday 16 October 2009 1:09:22 am Andriy Gapon wrote: > on 15/10/2009 23:07 Andrew Thompson said the following: > > Author: thompsa > > Date: Thu Oct 15 20:07:08 2009 > > New Revision: 198151 > > URL: http://svn.freebsd.org/changeset/base/198151 > > > > Log: > > Workaround buggy BIOS code in USB regard. By doing the BIOS to OS > > handover for > > all host controllers at the same time, we avoid problems where the BIOS > > will > > actually write to the USB registers of all the USB host controllers every > > time > > we handover one of them, and consequently reset the OS programmed values. > > This should fix the boot-time problems with AMD SB600/SB7xx controllers. > Many thanks to Hans for a lot of help.
At least one other system also exhibits this: Intel D850 motherboards (P4 system with RDRAM). I think there is an amd64 PR about this as well that may be for yet another system. -- John Baldwin _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
