Date: Fri, 11 Apr 2003 14:42:52 -0400 (EDT) From: John Baldwin <jhb@FreeBSD.org> To: Toerless Eckert <eckert@i4.informatik.uni-erlangen.de> Cc: freebsd-hackers@freebsd.org Subject: RE: boot2 broken ? (booting from pst fails) Message-ID: <XFMail.20030411144252.jhb@FreeBSD.org> In-Reply-To: <200304110026.CAA02069@faui40p.informatik.uni-erlangen.de>
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On 11-Apr-2003 Toerless Eckert wrote: > Has someone ever managed to boot FreeBSD off a Promise SuperTRAK SX6000 > RAID controller ? I tried all options i can think of, but it always > failed: boot0 and boot1 work nicely, but boot2 simply hangs as soon > as it tries to do the first bios read from the array. I am somewhat > suspecting that this is related to the BIOS of that controller being > offended by the environment of the btx client it's being called from > (boot2 is the first btx client in the boot phases). > > - Tried FreeBSD 5.0(release) and 4.8(release) boot1/boot2 - same effect. > - Problem is unrelated to disk being a raid. Same effect happens when > simply moving a perfectly booting ide disk from a "normal" ide controller > to the sx6000 (hangs in boot2). > - Windows XP boots fine off the sx6000 (also via FreeBSD boot0). Have not > tried other OSs like Linux though. > - Tried all "OS" settings in the sx6000 BIOS config. No change. > > - Q: Any ideas what i could do ? > > - Q: Is btx actually switching to real mode for int 13 ? Could it be > that there's a bug in that code ? No, we run it in virtual 86 mode, and it is likely that their BIOS routine just can't handle that. > - Q: Are there any alternatives how i could boot a 4.8 or 5.0 freebsd > solely from the disk ? (I guess i could try to install a linux and > then use liloboot, but that also uses the btx code from loader...) Nope. :( Other than get promise to fix their BIOS maybe. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/
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