[bug #43983] alloc magic is broken at 0x7ff16f90 when nativedisk usbms

[adrian15]

URL:
  <http://savannah.gnu.org/bugs/?43983>

                 Summary: alloc magic is broken at 0x7ff16f90 when nativedisk
usbms
                 Project: GNU GRUB
            Submitted by: adrian15sgd
            Submitted on: lun 12 ene 2015 02:15:49 GMT
                Category: Terminal
                Severity: Major
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: Git master
         Reproducibility: Every Time
         Planned Release: None

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Details:

Jessie chroots - Package I installed
--------------------------------------------

python autoconf bison flex unicode libfreetype6-dev

Affected GIT commit
-------------------

bac5d1a64ab4191058a8fd4c05f6b3b339e249e7

Build system
-------------

Debian Jessie from 12 January 2015
Build options

./configure --with-platform=efi at first pass.
./configure --with-platform=pc at second pass.

How do I build and prepare my system
------------------------------------
Make sure no Debian grub package is found in chroot

apt-get remove '.grub.'
Grub2 (efi+pc)) Build and installation

# Make sure we are testing the right revision
mkdir grub_upstream
cd grub_upstream
git clone git://git.savannah.gnu.org/grub.git .
git checkout COMMIT-TO-TEST
# Remove any non git related file - BEGIN
git reset --hard
git clean -f -d
git clean -f -x -d

# Remove any non git related file - END
# Build efi based grub and install it - BEGIN
./autogen.sh && ./configure --enable-grub-mkfont --with-platform=efi && make
# Dont forget to delete any rest of previous installation - BEGIN
sudo rm -rf /usr/local/etc/grub.d/ /usr/local/bin/grub-*
/usr/local/share/grub/
# Dont forget to delete any rest of previous installation - END
sudo make install
# Build efi based grub and install it - END
make clean # Prepare for next build
./configure --enable-grub-mkfont --with-platform=pc && make # Prepare for a
i386 build
sudo make install # Install i386 build

Super Grub2 Disk build
----------------------
grub-mkrescue --output=/tmp/test1.iso


VM system
----------

Virtualbox 4.3.10 r93012
Enable EFI option is unchecked!
Cdrom drive: super_grub2_disk_2.00s2.iso
Disk 1: Windows 7 and Debian

How to reproduce the bug
-------------------------

If needed press 'c' to go to grub shell.

# Test 1 (Which does not rise the bug. Just for your reference.)

grub> nativedisk pata
error: no device connected.
error: no device connected.
error: no device connected.
grub> nativedisk ahci
grub> nativedisk usbms
grub> nativedisk ohci
grub> nativedisk uhci
grub> nativedisk ehci
grub>

# Test 2 (Identical to Test 1 but adding ls commands. Now the bug is risen.)

grub> nativedisk pata
error: no device connected.
error: no device connected.
error: no device connected.
grub> ls
(ata2) (ata2,apple4) (ata2,apple3) (ata2,apple2) (ata2,apple1) (ata2,gpt3)
(ata2,gpt2) (ata2,gpt1)
grub> nativedisk ahci
grub> ls
(ahci0) (ata2) (ata2,apple4) (ata2,apple3) (ata2,apple2) (ata2,apple1)
(ata2,gpt3) (ata2,gpt2) (ata2,gpt1)
grub> nativedisk usbms
alloc magic is broken at 0x7ff16f90: 0
Aborted. Press any key to exit.
# I press a key
FATAL: INT18: BOOT FAILURE
(Grub is hang).

I'm using Virtualbox 4.3.20 r96996.




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