Re: "Too much files to mangle" error

[Mathieu Othacehe]

Hey Thomas,

Thanks a lot for the fast and detailed answer!

Ok, so it seems that your diagnosis is correct. We are already using
grub-mkrescue-sed.sh script. So applying the following patch:

--8<---------------cut here---------------start------------->8---
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
--8<---------------cut here---------------end--------------->8---

I get rid of HFS+ tree generation, and can now generated my ISO without
any issue.

> I will ask at grub-devel mailing list whether my theory is correct and
> whether HFS+ is still important enough to be used for I386 and X86_64
> systems. (It could be essential for POWERPC_IEEE1275.)
> But except Vladimir nobody else there has an opinion about grub-mkrescue
> and Vladimir does not appear often any more.

Ok, please let me know if you have any answer.

Thanks,

Mathieu