05.01.2016 00:42, Alexander E. Patrakov пишет:
http://82.193.153.141/to-try/rich/minimal-mjg-p2.iso doesn't show up in
the menu
I am sorry.
Today I have prepared a set of other test ISOs, built with newer
versions of xorriso and the MITM wrapper, and got the results. However,
one of the
02.01.2016 01:41, Thomas Schmitt wrote:
It would be very interesting to know whether there are machines
which boot by "mjg" but not by "mbr_only" or "original".
I don't know such machines. I have a much better news. Robert Jones
found an iMac (iMac5,2, boot ROM version IM52.0090.B00) that
05.01.2016 02:10, Thomas Schmitt пишет:
These Debian ISOs show the original mjg layout
http://cdimage.debian.org/debian-cd/8.2.0/i386/iso-cd/debian-8.2.0-i386-netinst.iso
http://cdimage.debian.org/debian-cd/8.2.0/amd64/iso-cd/debian-8.2.0-amd64-netinst.iso
On this iMac 5,2, the i386
02.01.2016 01:41, Thomas Schmitt пишет:
---
The tarball also contains an improved wrapper script
xorriso-1.4.3/frontend/grub-mkrescue-sed.sh
It offers the following xorriso argument manipulation modes
"mjg" = ESP in
[re-adding bug-grub to CC]
29.12.2015 23:39, Alexander E. Patrakov пишет:
29.12.2015 22:51, Thomas Schmitt пишет:
Hi,
Alexander E. Patrakov wrote:
2B: prints "this is not a bootable disk" message
i wrote:
You see a string from the EFI partition 0xef in your old BIOS ?
Yes! And it shows
29.12.2015 21:05, Thomas Schmitt пишет:
Hi,
do i understand it right that you decided for the dummy MBR partition
that covers a single block at the start of the ISO ?
Assuming that a layout is chosen that has a protective MBR partition of
type 0xee and thus needs a dummy bootable MBR
23.12.2015 20:09, Thomas Schmitt пишет:
>> So, what's the use case for hfsplus on x86? Maybe
>> we should remove it from the default layout created by grub-mkrescue?
>
> Interesting question. Vladimir told me that there were Macs
> which need HFS+ and blessings to find GRUB2. Young enough for x86
22.12.2015 20:05, Thomas Schmitt пишет:
Hi,
Alexander E. Patrakov wrote:
The following variants, obtained by changing only the MBR, also work:
1. Type-0 one-sector bootable partition at the very first sector:
01d0: 0100 0200 0100
Did you create
22.12.2015 08:51, Andrei Borzenkov пишет:
21.12.2015 22:28, Alexander E. Patrakov пишет:
22.12.2015 00:18, Thomas Schmitt пишет:
Still no luck with the 2007 Mac.
Are there any bootable media for it, which are not from Apple ?
Yes:
22.12.2015 00:18, Thomas Schmitt пишет:
Hi,
http://82.193.153.141/minimal-grub2-repacked-nohfsplus.iso
MBR partition table: N Status TypeStart Blocks
MBR partition : 1 0x80 0x83032220
MBR partition : 2 0x00 0xef32220
22.12.2015 00:10, Andrei Borzenkov пишет:
21.12.2015 19:36, Alexander E. Patrakov пишет:
OK, the 2007 Mac does not recognize any of the isos below.
Does it have 32 or 64 bit firmware?
64-bit.
I think that the problem is inside efi.img created by grub-mkrescue.
Namely, the size of
21.12.2015 22:37, Thomas Schmitt пишет:
Hi,
first a helper in case repacking goes on with other ISOs.
To obtain the value for --modification-date= , do:
$ xorriso -indev minimal-grub2.iso -pvd_info 2>/dev/null | \
grep '^Modif\. Time :' | sed -e 's/^Modif. Time : //'
21.12.2015 20:37, Thomas Schmitt пишет:
>
> I wonder how the machine came to "Windows".
On Mac this is synonym for "legacy BIOS" or "CSM" boot.
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21.12.2015 22:28, Alexander E. Patrakov пишет:
> 22.12.2015 00:18, Thomas Schmitt пишет:
>>
>>> Still no luck with the 2007 Mac.
>>
>> Are there any bootable media for it, which are not from Apple ?
>
> Yes:
> http://porteus-kiosk.org/public/3.6/Porteus-Kiosk-3.6.0-i486.iso
>
What choices it
20.12.2015 19:57, Alexander E. Patrakov пишет:
20.12.2015 19:07, Thomas Schmitt пишет:
Hi,
xorriso wrote under my insufficient control:
MBR partition : 1 0x80 0xee132803
Alexander E. Patrakov wrote:
OK, this is the bug. You have a 0xee partition, that
20.12.2015 15:50, Thomas Schmitt пишет:
error: disk `' not found.
I don't know why you get this prompt, sorry. I got this error, too, at
the early stage of my experiments, and that's why my instructions have
--modules="part_gpt part_msdos" in them. Back then, the cause of the
error was
20.12.2015 17:24, Thomas Schmitt пишет:
Do you want to try whether the wrapper partition of type 0x00 with
boot flag works on all your machines ?
I have already tried, it does work, provided that the bootable flag is
on the first partition. Unfortunately, fdisk does not allow me to
replicate
20.12.2015 12:18, Thomas Schmitt пишет:
> Now it should look like this
>
> $ xorriso -indev minimal-grub2-repacked.iso \
> -report_el_torito plain -report_system_area plain
> ...
> El Torito catalog : 85 1
> El Torito cat path : /boot.catalog
> El Torito images : N
20.12.2015 19:07, Thomas Schmitt пишет:
Hi,
xorriso wrote under my insufficient control:
MBR partition : 1 0x80 0xee132803
Alexander E. Patrakov wrote:
OK, this is the bug. You have a 0xee partition, that indicates that GPT
Yep. Looks like a xorriso bug.
20.12.2015 13:50, Thomas Schmitt пишет:
> Hi,
>
> Andrei Borzenkov wrote:
>> As expected, GRUB cannot access second partition when booted as CD,
>> either in BIOS or EFI mode. It can when booted as HDD with 512B sector
>> in both BIOS and EFI mode.
>
> I have quite contrary results here.
> - The
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