Date: Wed, 22 Dec 1999 15:59:14 -0800 From: Mike Smith <msmith@freebsd.org> To: Bjoern Fischer <bfischer@Techfak.Uni-Bielefeld.DE> Cc: stable@freebsd.org Subject: Re: /boot/loader fails to reset AMD K6-II FPU Message-ID: <199912222359.PAA01205@mass.cdrom.com> In-Reply-To: Your message of "Wed, 22 Dec 1999 04:23:20 %2B0100." <19991222042320.A749@frolic.no-support.loc>
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I believe I've already replied to this; it does indeed appear to be a = BIOS bug. The 'reboot' loader command simply re-invokes the bootstrap = interrupt, it doesn't attempt a complete system restart. It seems that = some BIOSsen don't deal with this very well. > this may be a BIOS/Mainboard issue, so I ask here > before filling out a PR. > = > When I reboot the system from the /boot/loader > command line (with `reboot'), the system is > being resetted, the kernel loads and starts, > and when the FPU is being initialized the kernel > traps. > = > Can anyone reproduce this? > = > At least this CPU seems to be affected: > = > CPU: AMD-K6(tm) 3D processor (400.91-MHz 586-class CPU) > Origin =FFAuthenticAMD" Id =F0x58c Stepping =F12 > Features=FF8021bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,PGE,MMX> > AMD Features=FF80000800<SYSCALL,3DNow!> > = > Bj=F6rn > = > -- = > -----BEGIN GEEK CODE BLOCK----- > GCS d--(+) s++: a- C+++(-) UB++++OSI++++$ P+++(-) L---(++) !E W- N+ o>+= > K- !w !O !M !V PS++ PE- PGP++ t+++ !5 X++ tv- b+++ D++ G e+ h-- y+= = > ------END GEEK CODE BLOCK------ > = > = > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message > = -- = \\ Give a man a fish, and you feed him for a day. \\ Mike Smith \\ Tell him he should learn how to fish himself, \\ msmith@freebsd.org \\ and he'll hate you for a lifetime. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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