[Linux-ia64] kernel panic on root mount / EFI =?unknown-8bit?q?can=E2=80=99t?= see /boot/efi partition!

[Linux-ia64] kernel panic on root mount / EFI =?unknown-8bit?q?can=E2=80=99t?= see /boot/efi partition!

[Jared Egolf]

Using Redhat 7.2 and in the past 7.1, I cannot configure
the /boot/efi partition with such a type definition that
EFI will recognize the file-system and thus use it for
booting purposes.  Our boot procedure has been to boot into
Whistler and copy over the data to a LS120 and then setup
to boot from there.  This is occurring on our BigSur, Lion,
and Azusa machines.
Unfortunately, whenever I rebuild a kernel, (currently
attempting with 2.4.14, but also tried 2.4.10 and have only
tested on the BigSur), the kernel panics without being
capable of mounting the root partition.  This occurs even
with the default configuration of the kernel and I suspect
the two problems may be linked.  It is troubling however
that while the default Redhat kernel will mount the (/)
root system after loading the qla1260 driver from the
initrd file, when I have my new kernel configured to
compile and include qla1260 it still results in a kernel
panic.  Is building an initrd file for each kernel rebuild
truly going to help the situation?  Has anybody else seen a
situation where EFI refuses to recognize a FAT16 defined
partition?  Perhaps Whistler is mangling the partition
tables on all the accessible disks?  Could these problems
be linked?
Thank-you for your help,
Jared Egolf


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Re: [Linux-ia64] kernel panic on root mount / EFI cant see

[Bdale Garbee]

jegolf@yahoo.com (Jared Egolf) writes:

> Using Redhat 7.2 and in the past 7.1, I cannot configure
> the /boot/efi partition with such a type definition that
> EFI will recognize the file-system and thus use it for
> booting purposes.

FYI, it appears the defined partition type for EFI FAT is 'ef', and for 
EFI GPT it's 'ee'.  Debian currently requires that you use 'ef'.

Modern versions of fdisk, cfdisk, et al know these types...

Bdale

[Linux-ia64] kernel panic on root mount / EFI cant see

[Jared Egolf]

Thank you very much for your reply.  I did double check and
I am having this problem on a system where the partition
type is set to 'ef'.  It doesn't seem to matter which
partition type I attempt to use.
-- Jared Egolf

> From: Bdale Garbee <bdale@gag.com>
> Date: Thu, 15 Nov 2001 17:47:42 -0700

> jegolf@yahoo.com (Jared Egolf) writes:

>> Using Redhat 7.2 and in the past 7.1, I cannot configure
>> the /boot/efi partition with such a type definition that
>> EFI will recognize the file-system and thus use it for
>> booting purposes.

> FYI, it appears the defined partition type for EFI FAT is
'ef', and for 
> EFI GPT it's 'ee'.  Debian currently requires that you
use 'ef'.

> Modern versions of fdisk, cfdisk, et al know these
types...

> Bdale


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