James Courtier-Dutton <[EMAIL PROTECTED]> writes:
If by removing it, the geometry command works, I can then look at the real_open_partition function, and add a few grub_printf's to see where it reboots. Does grub have a "grub_pause_for_1_second" function? That would also help by giving me a chance to see what is printed before the reboot.
How about a never ending loop like:
for (;;);
-- Marco
I have now narrowed down the problem a bit. After a lot of reboots! In file ./grub/stage2/disk_io.c
int next_pc_slice (void)
{
<snip>
if (! rawread (drive, *offset, 0, SECTOR_SIZE, buf)) {
<snip>
}this is called with drive = 0x81 (which is hd1 the scsi disc), *offset = 0. It crashes inside the rawread call.
geometry (hd0) sets drive to 0x80 and works. geometry (hd1) sets drive to 0x81 and crashes!
I conclude that there is some incompatibility between grub and the SCSI INT13 BIOS.
I am investigating further.
Cheers James
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