7-STABLE bootloader not working on Asus TR-DLS
John Baldwin
jhb at freebsd.org
Tue Apr 8 21:22:44 UTC 2008
On Tuesday 08 April 2008 10:15:22 am Greg Byshenk wrote:
> I'm piggybacking this onto the previous bootloader thread because I have
> a suspicion that my problem may be related to the 'fix' for the prveious
> problem.
>
> I've got a machine (old-ish) that will not boot with the changes to
> src/sys/boot/i386 in March.
>
> It it a dual-p3 system running on an Asus tr-dls motherboard (with most
> recent -- from 2002, but that is the most recent) BIOS updates:
>
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Intel(R) Pentium(R) III CPU family 1266MHz (1266.72-MHz
686-class CPU)
> Origin = "GenuineIntel" Id = 0x6b1 Stepping = 1
>
Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
> real memory = 2147463168 (2047 MB)
> avail memory = 2091913216 (1995 MB)
> ACPI APIC Table: <ASUS TR-DLS >
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
> cpu0 (BSP): APIC ID: 3
> cpu1 (AP): APIC ID: 0
>
> When I install the most recent world (for example, a build of 7-STABLE from
> 01-04-2008), it simply fails to boot. No panic, no crash, but just stops.
>
> I get to:
>
> [...]
> BTX loader 1.00 BTX version is 1.02
> Consoles: internal video/keyboard
> BIOS drive A: is disk0
>
> ... and then nothing ... just hangs permanently
>
> If I change back to 7-RELEASE, or to 7-STABLE as of 18-03-2008, there is
> no problem at all. If I run the system with 01-04-2008 world, but copy
> back in the contents of /boot from 18-03-2008, then there is again no
> problem. I can copy in the 01-04-2008 kernel and run under that, and there
> is no problem (it is running like that now). But I have to use the old
> version of the booloader.
>
> I'm not a coder, and haven't looked more deeply, but it appears that
> something in here:
>
> i386/src/sys/boot/i386/btx/btx/Makefile
> i386/src/sys/boot/i386/btx/btx/btx.S
It would be these changes. Debugging this will be hard. :( Are you familiar
with x86 assembly at all?
--
John Baldwin
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