Re: GRUB error: unknown filesystem on ia64

[John Paul Adrian Glaubitz]

Hi Javier!

On 4/12/21 8:21 AM, Javier Martinez Canillas wrote:
> Interesting, thanks for the input.
> 
> Could you please share a both GRUB binary that works and one that
> fails to compare ?

Here are both the EFI as well as the GRUB directory for the broken
and working cases:

> https://people.debian.org/~glaubitz/grub-ia64/

If you compare the two core.efi images, you will see the issue immediately:

glaubitz@epyc:..glaubitz/grub-ia64> xxd grub-broken/ia64-efi/core.efi > 
broken.txt
glaubitz@epyc:..glaubitz/grub-ia64> xxd grub-working/ia64-efi/core.efi > 
working.txt
glaubitz@epyc:..glaubitz/grub-ia64> diff -u broken.txt working.txt 
--- broken.txt  2021-04-12 08:57:07.292897158 +0200
+++ working.txt 2021-04-12 08:57:14.888838768 +0200
@@ -25,10 +25,10 @@
 00000180: 0000 0000 0000 0000 2e74 6578 7400 0000  .........text...
 00000190: 00e0 0100 0010 0000 00e0 0100 0010 0000  ................
 000001a0: 0000 0000 0000 0000 0000 0000 2000 0060  ............ ..`
-000001b0: 2e64 6174 6100 0000 00a0 0100 00f0 0100  .data...........
-000001c0: 00a0 0100 00f0 0100 0000 0000 0000 0000  ................
+000001b0: 2e64 6174 6100 0000 e094 0100 00f0 0100  .data...........
+000001c0: e094 0100 00f0 0100 0000 0000 0000 0000  ................
 000001d0: 0000 0000 4000 00c0 6d6f 6473 0000 0000  ....@...mods....
-000001e0: 0060 0000 0090 0300 0060 0000 0090 0300  .`.......`......
+000001e0: 206b 0000 e084 0300 206b 0000 e084 0300   k...... k......
 000001f0: 0000 0000 0000 0000 0000 0000 4000 00c0  ............@...
 00000200: 2e72 656c 6f63 0000 0010 0000 00f0 0300  .reloc..........
 00000210: 0010 0000 00f0 0300 0000 0000 0000 0000  ................
glaubitz@epyc:..glaubitz/grub-ia64>

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@debian.org
`. `'   Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913