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[bug#41804] ISO image & HFS+ tree
From: |
Mathieu Othacehe |
Subject: |
[bug#41804] ISO image & HFS+ tree |
Date: |
Thu, 11 Jun 2020 16:24:48 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) |
Hello,
When running the "gui-installed-desktop-os-encrypted" test which
produces a big ISO9660 image (~4GiB), the following error occurs:
--8<---------------cut here---------------start------------->8---
xorriso : UPDATE : 434919 files added in 18 seconds
libisofs: FAILURE : HFS+ map nodes aren't implemented
libisofs: FAILURE : Too much files to mangle, cannot guarantee unique file names
--8<---------------cut here---------------end--------------->8---
I asked Thomas Schmitt (of GNU Xorriso) about it. It seems that
producing an HFS+ tree could fail if a directory contains more than
30720 files.
HFS+ seems to be used to work-around filesystem limits that we don't
have on Intel architectures (see Thomas kind answer below).
Here's a patch that disables HFS+ tree production, and the solves the
problem above.
Thanks,
Mathieu
>From 604adfe81615ea05905fc73d62fba59a19437cdf Mon Sep 17 00:00:00 2001
From: Mathieu Othacehe <othacehe@gnu.org>
Date: Thu, 11 Jun 2020 15:25:02 +0200
Subject: [PATCH] system: image: Do not produce an HFS tree when building an
ISO.
Producing an HFS tree will fail if a directory has more that 30720 files. The
xorriso error message is:
xorriso : UPDATE : 434919 files added in 18 seconds
libisofs: FAILURE : HFS+ map nodes aren't implemented
libisofs: FAILURE : Too much files to mangle, cannot guarantee unique file names
Use "mbr_only" mode to make sure that no HFS+ tree are generated.
* gnu/system/image.scm (system-image): Set MKRESCUE_SED_MODE to "mbr_only".
---
gnu/system/image.scm | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gnu/system/image.scm b/gnu/system/image.scm
index a0e6bf31f1..9e47bcc508 100644
--- a/gnu/system/image.scm
+++ b/gnu/system/image.scm
@@ -545,7 +545,7 @@ image, depending on IMAGE format."
#:inputs `(("system" ,os)
("bootcfg" ,bootcfg))
#:grub-mkrescue-environment
- '(("MKRESCUE_SED_MODE" . "mbr_hfs")))))))
+ '(("MKRESCUE_SED_MODE" . "mbr_only")))))))
(define (find-image file-system-type)
"Find and return an image that could match the given FILE-SYSTEM-TYPE. This
--
2.26.2
hfs.raw
Description: Binary data
- [bug#41804] ISO image & HFS+ tree,
Mathieu Othacehe <=