Hi James,
It was as the zio error that caught my attention as I have a superficial
understanding of GRUB/x86-based booting.
I found only two bugs with the zio error message. One was fixed and then
6843138, which seems to describe your boot error scenario, although
without the greater than 1 TB disk factor, is fixed in a later build.
Someone more experienced will have to comment.
Cindy
James Lee wrote:
[email protected] wrote:
Hi James,
No answers from me, just some information.
The ability to boot from a disk greater than 1 TB integrated last fall
and this support is in the OpenSolaris 2009.06 release.
I see the same zio_read_data error (boot from install okay, but not
from the disk) in this CR:
6843138 can not boot off of a 2.2TB and zfs root
The root cause seems to be that the that BIOS is not reporting correct
capacity.
This CR is fixed in Nevada, build 117. If someone can get you the stage2
binary from build 117, then we would know for sure that is bug is your
issue.
Thanks Cindy. I think we may be onto something with this. I grabbed
c62013fcda99 from hg where this fix was committed and compiled GRUB. I
installed the stages like:
# installgrub stage1 stage2 /dev/rdsk/c7d0s0
And GRUB actually loaded menu.lst and the splash image! This is the
furthest I've gotten so far. Unfortunately, it can't read the kernel now:
loading '/platform/i86pc/kernel/$ISADIR/unix -B $ZFS-BOOTFS,console=graphics'
...
cpu: 'GenuineIntel' family 6 model 7 step 7
[BIOS accepted mixed-mode target setting!]
zio_read_data failed
Error 15: File not found
Press any key to continue...
Back in GRUB:
grub> find /platform/i86pc/kernel/unix
zio_read_data failed
Error 15: File not found
So what would cause GRUB to be able to load /rpool/boot/grub/menu.lst
fine but not /platform/i86pc/kernel/unix?
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