Date: Mon, 15 Jan 2001 16:21:01 -0800 (PST) From: John Baldwin <jhb@FreeBSD.org> To: Robert Myers <ccrider@whiterose.net> Cc: vurinovsky@newmail.ru, freebsd-questions@FreeBSD.org Subject: RE: BTX halted Message-ID: <XFMail.010115162101.jhb@FreeBSD.org> In-Reply-To: <Pine.LNX.4.21.0101151914070.6649-100000@whiterose.net>
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On 16-Jan-01 Robert Myers wrote: > On Mon, 15 Jan 2001, John Baldwin wrote: > >> >> On 15-Jan-01 Robert Myers wrote: >> >> I"ve installed FreeBSD 4.2-RELEASE and on the first boot >> >> from HDD it came with this: >> >> >> >> F1 FreeBSD >> >> \ >> >> int=00000000 err=00000000 efl=00030202 eip=0000bd25 >> >> eax=0016607f ebx=00000008 ecx=00000000 edx=00000000 >> >> esi=000003f0 edi=000098fe ebp=000003d2 esp=000003b9 >> >> cs=f000 ds=f000 es=0040 fs=0000 gs=0000 ss=9e77 >> >> cs:eip=66 f7 f1 59 50 0f b6 c9-8b c2 66 c1 ea 10 f7 f1 >> >> ss:esp=00 0b 80 10 00 00 01 00-00 00 55 aa 00 00 00 42 >> >> BTX halted >> >> >> >> Configuration: >> >> P250MMX >> >> 96M RAM >> >> 8G IDE HDD >> >> 3Com 905 (Vortex) NIC >> >> NE2000-compatible ISA NIC >> >> >> >> This computer (apart from HDD) was working under SCO 5.0.2 >> >> for 2 years so I don"t suspect a faulty hardware. >> >> 00000000 66F7F1 div ecx >> 00000003 59 pop cx >> 00000004 50 push ax >> 00000005 0FB6C9 movzx cx,cl >> 00000008 F8 clc >> >> and %ecx is zero, so you got a divide by zero fault. Did you install your >> disk >> as Dangerously Dedicated? If so Don't Do That. >> > > John, > > Are you suggesting that installing your disk as dangerously > dedicated can cause core dumps? > > -Bob It can cause your BIOS to crash, as has been well documented in the list archives. By all means, do not use DD mode unless the machine will not boot without it. The kernel hasn't even loaded at this point, however, the BIOS tried to divide by 0 trying to handle the bogus geometry DD mode uses. -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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