Hi Guys,
I am able to dual boot my machine ( Windows 7 + Ubuntu) with McAfee
Endpoint Encryption enabled on windows.
Below are the details steps that I followed,
1) Installed Windows 7 without McAfee Endpoint encryption enabled. This
is because as McAfee encryption is a sector level encryption w
Message -
> From: "Joseph Harrietha" <484...@bugs.launchpad.net>
> To: chrish...@psyctc.org
> Sent: Saturday, 11 January, 2014 6:02:21 PM
> Subject: [Bug 484102] Re: Grub2 doesn't chainload truecrypt loader correctly
>
> About Comment #28
>
> I can co
About Comment #28
I can confirm that I get this same error.
I've done a bit of diagnosing and I have found that its a linker error,
the -tText field fails to resolve the system memory address. This could
be due to this laptop having a newer UEFI-supporting BIOS, or due to
some quirk with where th
FYI, grub2tc has been fixed to work with newer ruby versions, but when i
try to boot the generated multiboot kernel i get this error:
"No physical memory is available at the location required for the
windows boot manager. The system cannot continue."
the iso booting method in my previous comment
for people stumbling on this bug report:
just now the git checkout of grub2tc failed for me with an error
(extract.rb:78:in `pack': can't convert String into Integer (TypeError))
but this entry seems to work:
menuentry "windoze" {
insmod part_msdos
insmod fat
insmod ext2
insmod s
Grub1 only used the additional sectors if you enabled stage1.5,
otherwise it embedded the blocklist in the MBR. This was found to be
too fragile, so now it embeds the core in the extra sectors.
The grub2tc you described seems to be the best way to have the two inter
operate, since it eliminates t
I don't understand, how it has been working with Grub1. And if or why
that implementation is not possible anymore.
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Title:
Grub2 doesn't chainload
It is a bad idea because it has to hard code the blocks that contain
/boot/grub/core.img into the boot sector. This isn't even possible on
some filesystems ( btrfs ), and if the file is ever moved and the boot
sector not updated to match, booting will fail horribly.
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...but installing grub2 to a partition "is a BAD idea" according to its
own warning message when installing.
what's the deal with that warning message then?
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That's pretty much it Attila. Both grub2 and TC use the first 62
sectors when installed to the MBR, so you can not install both there.
Instead you must install grub2 to a partition.
** Changed in: grub2 (Ubuntu)
Status: Confirmed => Invalid
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so, to sum it up:
1) when installing grub2 it needs/overwrites more then just the first
sector (first 512 bytes, aka the MBR)
2) TC uses the first 64 sectors (its MBR, then some code to decrypt the
system, and some encryption keys)
3) when chainloading a backed up TC MBR from a file using grub2,
for the record, there's a project called grub2tc that :
"grub2tc converts the TrueCrypt boot loader into a multiboot kernel that
can be loaded from grub2."
instructions: http://gitorious.org/grub2tc/grub2tc/blobs/master/README
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That's not true. I have Grub legacy in my MBR. If I want to boot
windows, Grub is loading an image of the Truecrypt Boot Loader from
/boot. It is working in that configuration, the only problem is that
Grub legacy is able to do that, Grub 2 is not, due to that bug.
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Grub can not be in the MBR if you are using truecrypt, since it requires
the embed area to function. You must therefore, install grub to the
partition and truecrypt to the MBR.
You have to press escape to get to grub because truecrypt is in the MBR,
and you need to press escape to bypass truecryp
We are Linux users, our default operating system is Linux. Therefore we have
grub in our MBR. Grub is loading by default, and we only chainload the Windows
boot manager if we want to start windows.
The approach described by pzolee is only a workaround, as you have to press
escape each time to g
So the problem only happens if you hit esc to skip truecrypt, then ask
grub to reload truecrypt? Why on earth would you even do that? If you
want to boot windows, then don't skip truecrypt the first time.
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Nope, bug still in, no one cares.
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Title:
Grub2 doesn't chainload truecrypt loader correctly
To manage notifications about this bug go to:
https:
Two years after this bug was repported, isn't this fixed?
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Title:
Grub2 doesn't chainload truecrypt loader correctly
To manage notifications abou
** Tags added: image mbr regression
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Title:
Grub2 doesn't chainload truecrypt loader correctly
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Here is my blog about this workaround:
http://pzolee.blogs.balabit.com/2010/07/grub2-and-truecrypt-windows-linux-dual-boot-system/
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Grub2 doesn't chainload truecrypt loader correctly
https://bugs.launchpad.net/bugs/484102
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Bug
Same Problem here.
About comment #11:
I dont got the Truecrypt bootcd iso boot working.
For now i use the "Skip TC Bootloader with ESC" workaround.
I installed the Grub2 Bootloader in sda6.
So i think the Truecrypt bootloader will scan all partitions.
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Grub2 doesn't chainload truecrypt loade
About comment #10:
Has anyone got this to work yet (with a truecrypt bootcd ISO)?
Does the truecrypt bootloader scan all partitions for a bootloader or
just the next one when ESC is pressed? I'm planning on installing the
grub2-bootloader on /dev/sda3.
--
Grub2 doesn't chainload truecrypt loade
For now, a temporary fix is to put the true-crypt recovery disk in the /boot
and boot the ISO.
http://michael-prokop.at/blog/2009/05/25/boot-an-iso-via-grub2/
NOT AN IDEAL solution, but will work for now.
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Grub2 doesn't chainload truecrypt loader correctly
https://bugs.launchpad.net/bugs/4841
I got the same problems: Encrypted dualboot (windows, kubuntu 10.04) ist
not possible (damaged tc loader).
I searched the internet, but there is no workaround.
But there are interesting informations about the truecrypt loader (see
links below): Sector 0 contains truecrypt loader, secotrs 1-62 con
Apparently this joke hasn't been resolved yet. why on god's earth would you
introduce grub2 as DEFAULT(!!) boot loader, if it's less reliable than the
older version. This upgrade made the distro worse. You simply can ship with a
buggy part just for the sake of shipping with it.
these are the act
same problem here
i have sda1 for win7 marked as bootable
and sda2 with my /boot marked as bootable
TC loader installed into mbr. when i press ESC it cant boot
now i must use grub and an disturbing boot cd for TC
i know that this worked for grub1
but i have no idea how to switch from grub2 to gr
Exactely. The chain works as you described it. Reinstalling grub into
the mbr lets the TrueCrypt Loader fail loading
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Grub2 doesn't chainload truecrypt loader correctly
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You received this bug notification because you are a member of Ubuntu
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just to be sure I understood the situation:
you installed grub2 on sda1 and installed truecrypt on windows selecting
"single boot" option (not "multi-boot"), right?
So you have "Truecrypt" -->Esc key--> "Grub2" --> Chainload with menu entry -->
"Truecrypt" , and if you boot windows from the end o
So far so true. But what i meant was: If i load grub2 via Truecrypt Boot Loader
and then choose the entry:
menuentry "Windows Vista" {
set root=(hd0,2)
parttool (hd0,2) boot+
chainloader (hd0,1)/truecrypt.mbr
}
It again loads the TrueCrypt Bootloader.
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Grub2 doesn't chainload truecrypt load
about comment #2:
if you have "Truecrypt Boot Loader installed in the MBR and Grub2 on sda1", as
far as I know, Grub2 doesn't chainload anything.
You just have Truecrypt Boot Loader that starts first and then, pressing Esc
Key, you can skip it and go to Grub2.
So it's Truecrypt that calls (chainl
With Truecrypt Boot Loader installed in the MBR and Grub2 on sda1, the
Chainload works correctly.
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Grub2 doesn't chainload truecrypt loader correctly
https://bugs.launchpad.net/bugs/484102
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Same problem here with an XP encrypted partition. It worked well with
grub-legacy.
It seems that grub2 has some difficulties chainloading from an image file.
Looking at grub-devel mailing list (is there a similar problem under "Booting
TrueCrypt Windows Hard Drive" topic) it seems related to part
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