Bug#634649: os-prober does not detect Windows if there is a /boot folder in the Windows partition

July 19th, 2011 - 05:30 am ET by yannubuntu | Report spam

Package: os-prober
Version: 1.44ubuntu1

If the Windows partition contains a /boot/grub/core.img folder (this occurs
when beginners install GRUB by mistake in the Windows partition), os-prober
won't detect Windows any more.

I believe this is due to the fact that there are 2 folders with similar
names ("/Boot" and "/boot"), so os-prober just sees the /boot folder instead
of the /Boot or /BOOT folder coming with Windows)

I am using Ubuntu 11.04 32bits, but this bug has been also confirmed
with previous os-prober versions.

<pre>Package: os-prober
Version: 1.44ubuntu1 </pre>If the Windows partition contains a /boot/grub/core.img folder (this occurs when beginners install GRUB by mistake in the Windows partition), os-prober won't
detect Windows any more.
I believe this is due to the fact that there are 2 folders with
similar names ("/Boot" and "/boot"), so os-prober just sees the /boot
folder instead of the /Boot or /BOOT folder coming with Windows)<pre>I am using Ubuntu 11.04 32bits, but this bug has been also confirmed with previous os-prober versions. </pre>

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#1 Otavio Salvador

July 22nd, 2011 - 10:40 am ET | Report spam

On Tue, Jul 19, 2011 at 11:21,
wrote:

If the Windows partition contains a /boot/grub/core.img folder (this occurs
when beginners install GRUB by mistake in the Windows partition), os-prober
won't detect Windows any more.

Is it possible for you to try to apply this patch and test it again?

Otavio Salvador O.S. Systems
E-mail: http://www.ossystems.com.br
Mobile: +55 53 9981-7854 http://projetos.ossystems.com.br

name="os-prober-fix-windows-detection-try-1.patch"
filename="os-prober-fix-windows-detection-try-1.patch"
X-Attachment-Id: f_gqf8x6e90

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#2 yannubuntu

July 22nd, 2011 - 11:10 am ET | Report spam

Thanks Otavio.
Unfortunately, your patch does not solve the bug. Please see below the
os-prober output I get in 3 configurations:

1) Normal output (no /boot folder in the Windows partition) :
/dev/sda1:Windows Vista (loader):Windows:chain
/dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux

2) Output when there is a /boot folder in the Windows partition (without
patch):
ls: cannot access /media/Vista/Boot
boot: No such file or directory
/dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux

3) Output when there is a /boot folder in the Windows partition (with your
patch):
/dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux

Remark : indeed even an empty /boot folder is enough to disturb os-prober.
What this /boot folder contains does not change the result. I think the bug
comes from the fact that os-prober looks inside the /boot folder but not
inside the /Boot (or /BOOT) folder.

Regards

Thanks Otavio. Unfortunately, your patch does not solve the bug. Please see below the os-prober output I get in 3 configurations: 1) Normal output (no /boot folder in the Windows partition) : /dev/sda1:Windows Vista (loader):Windows:chain 
/dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux 2) Output when there is a /boot folder in the Windows partition (without patch): ls: cannot access /media/Vista/Boot boot: No such file or directory /dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux 
 3) Output when there is a /boot folder in the Windows partition (with your patch): /dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux Remark : indeed even an empty /boot folder is enough to disturb os-prober. What this /boot folder contains does not change the result. I think the bug comes from the fact that os-prober looks inside the /boot folder but not inside the /Boot (or /BOOT) folder. 
 Regards 

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#3 yannubuntu

July 22nd, 2011 - 12:10 pm ET | Report spam

2nd patch does not work either:

patch and boot folder:
:~$ LANG=C sudo os-prober
ls: cannot access : No such file or directory
ls: cannot access : No such file or directory
ls: cannot access : No such file or directory
/dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux
/dev/sda6:Ubuntu 11.04 (11.04):Ubuntu1:linux
ls: cannot access : No such file or directory

no patch and boot folder:
:~$ LANG=C sudo os-prober
ls: cannot access /media/Vista/Boot
boot: No such file or directory
/dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux
/dev/sda6:Ubuntu 11.04 (11.04):Ubuntu1:linux

no patch and no boot folder:
:~$ LANG=C sudo os-prober
/dev/sda1:Windows Vista (loader):Windows:chain
/dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux
/dev/sda6:Ubuntu 11.04 (11.04):Ubuntu1:linux

patch and no boot folder:
:~$ LANG=C sudo os-prober
ls: cannot access : No such file or directory
ls: cannot access : No such file or directory
ls: cannot access : No such file or directory
/dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux
/dev/sda6:Ubuntu 11.04 (11.04):Ubuntu1:linux
ls: cannot access : No such file or directory

all tests from live-usb

2nd patch does not work either: patch and boot folder: :~$ LANG=C sudo os-prober ls: cannot access : No such file or directory ls: cannot access : No such file or directory ls: cannot access : No such file or directory 
/dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux /dev/sda6:Ubuntu 11.04 (11.04):Ubuntu1:linux ls: cannot access : No such file or directory no patch and boot folder: :~$ LANG=C sudo os-prober ls: cannot access /media/Vista/Boot 
boot: No such file or directory /dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux /dev/sda6:Ubuntu 11.04 (11.04):Ubuntu1:linux no patch and no boot folder: :~$ LANG=C sudo os-prober /dev/sda1:Windows Vista (loader):Windows:chain 
/dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux /dev/sda6:Ubuntu 11.04 (11.04):Ubuntu1:linux patch and no boot folder: :~$ LANG=C sudo os-prober ls: cannot access : No such file or directory ls: cannot access : No such file or directory 
ls: cannot access : No such file or directory /dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux /dev/sda6:Ubuntu 11.04 (11.04):Ubuntu1:linux ls: cannot access : No such file or directory all tests from live-usb 

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#4 yannubuntu

July 22nd, 2011 - 10:20 pm ET | Report spam

I attached a new one and this is more verbose. Please test it.

Bom dia Otavio

-> Output with the patch and the (empty) /boot folder :

~$ LANG=C sudo os-prober
+ . /usr/share/os-prober/common.sh
+ cleanup_tmpdir=false
+ cleanup_ro_partitions+ progname+ type mapdevfs
+ partition=/dev/sda1
+ mpoint=/media/Vista
+ type=fuseblk
+ debug /dev/sda1 is a FUSE partition
+ log debug: /dev/sda1 is a FUSE partition
+ cache_progname
+ basename /usr/lib/os-probes/mounted/20microsoft
+ progname microsoft
+ logger -t 20microsoft debug: /dev/sda1 is a FUSE partition
+ item_in_dir -q bootmgr
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^bootmgr$
+ ls -1
ls: cannot access : No such file or directory
+ item_in_dir -q ntldr /media/Vista
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^ntldr$
+ ls -1 /media/Vista
+ item_in_dir dos /media/Vista
+ [ dos = -q ]
+ q+ grep -i ^dos$
+ ls -1 /media/Vista
+ [ -d ]
+ item_in_dir -q windows /media/Vista
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^windows$
+ ls -1 /media/Vista
+ item_in_dir windows /media/Vista
+ [ windows = -q ]
+ q+ grep -i ^windows$
+ ls -1 /media/Vista
+ item_in_dir -q win.com /media/Vista/Windows
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^win.com$
+ ls -1 /media/Vista/Windows
+ exit 1
+ . /usr/share/os-prober/common.sh
+ cleanup_tmpdir=false
+ cleanup_ro_partitions+ progname+ type mapdevfs
+ partition=/dev/sda2
+ mpoint=/media/Perso
+ type=ext3
+ debug /dev/sda2 is not a MS partition: exiting
+ log debug: /dev/sda2 is not a MS partition: exiting
+ cache_progname
+ basename /usr/lib/os-probes/mounted/20microsoft
+ progname microsoft
+ logger -t 20microsoft debug: /dev/sda2 is not a MS partition: exiting
+ exit 1
+ . /usr/share/os-prober/common.sh
+ cleanup_tmpdir=false
+ cleanup_ro_partitions+ progname+ type mapdevfs
+ partition=/dev/sda5
+ mpoint=/var/lib/os-prober/mount
+ type=fuseblk
+ debug /dev/sda5 is a FUSE partition
+ log debug: /dev/sda5 is a FUSE partition
+ cache_progname
+ basename /usr/lib/os-probes/mounted/20microsoft
+ progname microsoft
+ logger -t 20microsoft debug: /dev/sda5 is a FUSE partition
+ item_in_dir -q bootmgr
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^bootmgr$
+ ls -1
ls: cannot access : No such file or directory
+ item_in_dir -q ntldr /var/lib/os-prober/mount
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^ntldr$
+ ls -1 /var/lib/os-prober/mount
+ item_in_dir dos /var/lib/os-prober/mount
+ [ dos = -q ]
+ q+ ls -1 /var/lib/os-prober/mount
+ grep -i ^dos$
+ [ -d ]
+ item_in_dir -q windows /var/lib/os-prober/mount
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^windows$
+ ls -1 /var/lib/os-prober/mount
+ exit 1
/dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux

******
-> Output with the patch and no /boot partition:

~$ LANG=C sudo os-prober
[sudo] password for yyy:
+ . /usr/share/os-prober/common.sh
+ cleanup_tmpdir=false
+ cleanup_ro_partitions+ progname+ type mapdevfs
+ partition=/dev/sda1
+ mpoint=/media/Vista
+ type=fuseblk
+ debug /dev/sda1 is a FUSE partition
+ log debug: /dev/sda1 is a FUSE partition
+ cache_progname
+ basename /usr/lib/os-probes/mounted/20microsoft
+ progname microsoft
+ logger -t 20microsoft debug: /dev/sda1 is a FUSE partition
+ item_in_dir -q bootmgr
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^bootmgr$
+ ls -1
ls: cannot access : No such file or directory
+ item_in_dir -q ntldr /media/Vista
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^ntldr$
+ ls -1 /media/Vista
+ item_in_dir dos /media/Vista
+ [ dos = -q ]
+ q+ grep -i ^dos$
+ ls -1 /media/Vista
+ [ -d ]
+ item_in_dir -q windows /media/Vista
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^windows$
+ ls -1 /media/Vista
+ item_in_dir windows /media/Vista
+ [ windows = -q ]
+ q+ grep -i ^windows$
+ ls -1 /media/Vista
+ item_in_dir -q win.com /media/Vista/Windows
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^win.com$
+ ls -1 /media/Vista/Windows
+ exit 1
+ . /usr/share/os-prober/common.sh
+ cleanup_tmpdir=false
+ cleanup_ro_partitions+ progname+ type mapdevfs
+ partition=/dev/sda2
+ mpoint=/media/Perso
+ type=ext3
+ debug /dev/sda2 is not a MS partition: exiting
+ log debug: /dev/sda2 is not a MS partition: exiting
+ cache_progname
+ basename /usr/lib/os-probes/mounted/20microsoft
+ progname microsoft
+ logger -t 20microsoft debug: /dev/sda2 is not a MS partition: exiting
+ exit 1
+ . /usr/share/os-prober/common.sh
+ cleanup_tmpdir=false
+ cleanup_ro_partitions+ progname+ type mapdevfs
+ partition=/dev/sda5
+ mpoint=/var/lib/os-prober/mount
+ type=fuseblk
+ debug /dev/sda5 is a FUSE partition
+ log debug: /dev/sda5 is a FUSE partition
+ cache_progname
+ basename /usr/lib/os-probes/mounted/20microsoft
+ progname microsoft
+ logger -t 20microsoft debug: /dev/sda5 is a FUSE partition
+ item_in_dir -q bootmgr
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^bootmgr$
+ ls -1
ls: cannot access : No such file or directory
+ item_in_dir -q ntldr /var/lib/os-prober/mount
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^ntldr$
+ ls -1 /var/lib/os-prober/mount
+ item_in_dir dos /var/lib/os-prober/mount
+ [ dos = -q ]
+ q+ grep -i ^dos$
+ ls -1 /var/lib/os-prober/mount
+ [ -d ]
+ item_in_dir -q windows /var/lib/os-prober/mount
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^windows$
+ ls -1 /var/lib/os-prober/mount
+ exit 1
/dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux

Regards
Yann

<div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div class="im">
 
</div>I attached a new one and this is more verbose. Please test it. </blockquote><div> Bom dia Otavio -> Output with the patch and the (empty) /boot folder : ~$ LANG=C sudo os-prober 
+ . /usr/share/os-prober/common.sh + cleanup_tmpdir=false + cleanup_ro_partitions= + progname= + type mapdevfs + partition=/dev/sda1 + mpoint=/media/Vista + type=fuseblk + debug /dev/sda1 is a FUSE partition 
+ log debug: /dev/sda1 is a FUSE partition + cache_progname + basename /usr/lib/os-probes/mounted/20microsoft + progname=20microsoft + logger -t 20microsoft debug: /dev/sda1 is a FUSE partition + item_in_dir -q bootmgr 
+ [ -q = -q ] + q=-q + shift 1 + grep -q -i ^bootmgr$ + ls -1 ls: cannot access : No such file or directory + item_in_dir -q ntldr /media/Vista + [ -q = -q ] + q=-q + shift 1 + grep -q -i ^ntldr$ 
+ ls -1 /media/Vista + item_in_dir dos /media/Vista + [ dos = -q ] + q= + grep -i ^dos$ + ls -1 /media/Vista + [ -d ] + item_in_dir -q windows /media/Vista + [ -q = -q ] + q=-q + shift 1 
+ grep -q -i ^windows$ + ls -1 /media/Vista + item_in_dir windows /media/Vista + [ windows = -q ] + q= + grep -i ^windows$ + ls -1 /media/Vista + item_in_dir -q <a href="http://win.com">win.com</a> /media/Vista/Windows 
+ [ -q = -q ] + q=-q + shift 1 + grep -q -i ^<a href="http://win.com">win.com</a>$ + ls -1 /media/Vista/Windows + exit 1 + . /usr/share/os-prober/common.sh + cleanup_tmpdir=false + cleanup_ro_partitions= 
+ progname= + type mapdevfs + partition=/dev/sda2 + mpoint=/media/Perso + type=ext3 + debug /dev/sda2 is not a MS partition: exiting + log debug: /dev/sda2 is not a MS partition: exiting + cache_progname 
+ basename /usr/lib/os-probes/mounted/20microsoft + progname=20microsoft + logger -t 20microsoft debug: /dev/sda2 is not a MS partition: exiting + exit 1 + . /usr/share/os-prober/common.sh + cleanup_tmpdir=false 
+ cleanup_ro_partitions= + progname= + type mapdevfs + partition=/dev/sda5 + mpoint=/var/lib/os-prober/mount + type=fuseblk + debug /dev/sda5 is a FUSE partition + log debug: /dev/sda5 is a FUSE partition 
+ cache_progname + basename /usr/lib/os-probes/mounted/20microsoft + progname=20microsoft + logger -t 20microsoft debug: /dev/sda5 is a FUSE partition + item_in_dir -q bootmgr + [ -q = -q ] + q=-q + shift 1 
+ grep -q -i ^bootmgr$ + ls -1 ls: cannot access : No such file or directory + item_in_dir -q ntldr /var/lib/os-prober/mount + [ -q = -q ] + q=-q + shift 1 + grep -q -i ^ntldr$ + ls -1 /var/lib/os-prober/mount 
+ item_in_dir dos /var/lib/os-prober/mount + [ dos = -q ] + q= + ls -1 /var/lib/os-prober/mount + grep -i ^dos$ + [ -d ] + item_in_dir -q windows /var/lib/os-prober/mount + [ -q = -q ] + q=-q + shift 1 
+ grep -q -i ^windows$ + ls -1 /var/lib/os-prober/mount + exit 1 /dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux ****** -> Output with the patch and no /boot partition: ~$ LANG=C sudo os-prober 
[sudo] password for yyy: + . /usr/share/os-prober/common.sh + cleanup_tmpdir=false + cleanup_ro_partitions= + progname= + type mapdevfs + partition=/dev/sda1 + mpoint=/media/Vista + type=fuseblk 
+ debug /dev/sda1 is a FUSE partition + log debug: /dev/sda1 is a FUSE partition + cache_progname + basename /usr/lib/os-probes/mounted/20microsoft + progname=20microsoft + logger -t 20microsoft debug: /dev/sda1 is a FUSE partition 
+ item_in_dir -q bootmgr + [ -q = -q ] + q=-q + shift 1 + grep -q -i ^bootmgr$ + ls -1 ls: cannot access : No such file or directory + item_in_dir -q ntldr /media/Vista + [ -q = -q ] + q=-q 
+ shift 1 + grep -q -i ^ntldr$ + ls -1 /media/Vista + item_in_dir dos /media/Vista + [ dos = -q ] + q= + grep -i ^dos$ + ls -1 /media/Vista + [ -d ] + item_in_dir -q windows /media/Vista + [ -q = -q ] 
+ q=-q + shift 1 + grep -q -i ^windows$ + ls -1 /media/Vista + item_in_dir windows /media/Vista + [ windows = -q ] + q= + grep -i ^windows$ + ls -1 /media/Vista + item_in_dir -q <a href="http://win.com">win.com</a> /media/Vista/Windows 
+ [ -q = -q ] + q=-q + shift 1 + grep -q -i ^<a href="http://win.com">win.com</a>$ + ls -1 /media/Vista/Windows + exit 1 + . /usr/share/os-prober/common.sh + cleanup_tmpdir=false + cleanup_ro_partitions= 
+ progname= + type mapdevfs + partition=/dev/sda2 + mpoint=/media/Perso + type=ext3 + debug /dev/sda2 is not a MS partition: exiting + log debug: /dev/sda2 is not a MS partition: exiting + cache_progname 
+ basename /usr/lib/os-probes/mounted/20microsoft + progname=20microsoft + logger -t 20microsoft debug: /dev/sda2 is not a MS partition: exiting + exit 1 + . /usr/share/os-prober/common.sh + cleanup_tmpdir=false 
+ cleanup_ro_partitions= + progname= + type mapdevfs + partition=/dev/sda5 + mpoint=/var/lib/os-prober/mount + type=fuseblk + debug /dev/sda5 is a FUSE partition + log debug: /dev/sda5 is a FUSE partition 
+ cache_progname + basename /usr/lib/os-probes/mounted/20microsoft + progname=20microsoft + logger -t 20microsoft debug: /dev/sda5 is a FUSE partition + item_in_dir -q bootmgr + [ -q = -q ] + q=-q + shift 1 
+ grep -q -i ^bootmgr$ + ls -1 ls: cannot access : No such file or directory + item_in_dir -q ntldr /var/lib/os-prober/mount + [ -q = -q ] + q=-q + shift 1 + grep -q -i ^ntldr$ + ls -1 /var/lib/os-prober/mount 
+ item_in_dir dos /var/lib/os-prober/mount + [ dos = -q ] + q= + grep -i ^dos$ + ls -1 /var/lib/os-prober/mount + [ -d ] + item_in_dir -q windows /var/lib/os-prober/mount + [ -q = -q ] + q=-q + shift 1 
+ grep -q -i ^windows$ + ls -1 /var/lib/os-prober/mount + exit 1 /dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux Regards Yann </div></div> 

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#5 yannubuntu

July 23rd, 2011 - 08:20 am ET | Report spam

Opa!

Output with /boot and patch:
$ LANG=C sudo os-prober
+ . /usr/share/os-prober/common.sh
+ cleanup_tmpdir=false
+ cleanup_ro_partitions+ progname+ type mapdevfs
+ partition=/dev/sda1
+ mpoint=/media/Vista
+ type=fuseblk
+ debug /dev/sda1 is a FUSE partition
+ log debug: /dev/sda1 is a FUSE partition
+ cache_progname
+ basename /usr/lib/os-probes/mounted/20microsoft
+ progname microsoft
+ logger -t 20microsoft debug: /dev/sda1 is a FUSE partition
+ item_in_dir -q bootmgr /media/Vista
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^bootmgr$
+ ls -1 /media/Vista
+ item_in_dir boot/ /media/Vista
+ [ boot/ = -q ]
+ q+ grep -i ^boot/$
+ ls -1 /media/Vista
+ boot=/media/Vista
+ item_in_dir bcd /media/Vista//media/Vista
+ [ bcd = -q ]
+ q+ grep -i ^bcd$
+ ls -1 /media/Vista//media/Vista
ls: cannot access /media/Vista//media/Vista: No such file or directory
+ bcd+ boot+ item_in_dir bcd /media/Vista/
+ [ bcd = -q ]
+ q+ grep -i ^bcd$
+ ls -1 /media/Vista/
+ bcd+ count_next_label
+ require_tmpdir
+ [ -z /tmp/os-prober.u3aFGD ]
+ _labelprefix+ count_for
+ _labelprefix+ grep ^ /var/lib/os-prober/labels
+ true
+ _result+ [ -z ]
+ return
+ _cfor+ [ -z ]
+ echo 1
+ echo
+ label+ result /dev/sda1:::chain
+ log result: /dev/sda1:::chain
+ cache_progname
+ logger -t 20microsoft result: /dev/sda1:::chain
+ echo /dev/sda1:::chain
/dev/sda1:::chain
+ exit 0
+ . /usr/share/os-prober/common.sh
+ cleanup_tmpdir=false
+ cleanup_ro_partitions+ progname+ type mapdevfs
+ partition=/dev/sda2
+ mpoint=/media/Perso
+ type=ext3
+ debug /dev/sda2 is not a MS partition: exiting
+ log debug: /dev/sda2 is not a MS partition: exiting
+ cache_progname
+ basename /usr/lib/os-probes/mounted/20microsoft
+ progname microsoft
+ logger -t 20microsoft debug: /dev/sda2 is not a MS partition: exiting
+ exit 1
+ . /usr/share/os-prober/common.sh
+ cleanup_tmpdir=false
+ cleanup_ro_partitions+ progname+ type mapdevfs
+ partition=/dev/sda5
+ mpoint=/var/lib/os-prober/mount
+ type=fuseblk
+ debug /dev/sda5 is a FUSE partition
+ log debug: /dev/sda5 is a FUSE partition
+ cache_progname
+ basename /usr/lib/os-probes/mounted/20microsoft
+ progname microsoft
+ logger -t 20microsoft debug: /dev/sda5 is a FUSE partition
+ item_in_dir -q bootmgr /var/lib/os-prober/mount
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^bootmgr$
+ ls -1 /var/lib/os-prober/mount
+ item_in_dir -q ntldr /var/lib/os-prober/mount
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^ntldr$
+ ls -1 /var/lib/os-prober/mount
+ item_in_dir dos /var/lib/os-prober/mount
+ [ dos = -q ]
+ q+ grep -i ^dos$
+ ls -1 /var/lib/os-prober/mount
+ [ -d ]
+ item_in_dir -q windows /var/lib/os-prober/mount
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^windows$
+ ls -1 /var/lib/os-prober/mount
+ exit 1
/dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux

Output with patch and without /boot:
$ LANG=C sudo os-prober
[sudo] password for yyy:
+ . /usr/share/os-prober/common.sh
+ cleanup_tmpdir=false
+ cleanup_ro_partitions+ progname+ type mapdevfs
+ partition=/dev/sda1
+ mpoint=/media/Vista
+ type=fuseblk
+ debug /dev/sda1 is a FUSE partition
+ log debug: /dev/sda1 is a FUSE partition
+ cache_progname
+ basename /usr/lib/os-probes/mounted/20microsoft
+ progname microsoft
+ logger -t 20microsoft debug: /dev/sda1 is a FUSE partition
+ item_in_dir -q bootmgr /media/Vista
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^bootmgr$
+ ls -1 /media/Vista
+ item_in_dir boot/ /media/Vista
+ [ boot/ = -q ]
+ q+ grep -i ^boot/$
+ ls -1 /media/Vista
+ boot=/media/Vista
+ item_in_dir bcd /media/Vista//media/Vista
+ [ bcd = -q ]
+ q+ grep -i ^bcd$
+ ls -1 /media/Vista//media/Vista
ls: cannot access /media/Vista//media/Vista: No such file or directory
+ bcd+ boot+ item_in_dir bcd /media/Vista/
+ [ bcd = -q ]
+ q+ grep -i ^bcd$
+ ls -1 /media/Vista/
+ bcd+ count_next_label
+ require_tmpdir
+ [ -z /tmp/os-prober.hRfoyP ]
+ _labelprefix+ count_for
+ _labelprefix+ grep ^ /var/lib/os-prober/labels
+ true
+ _result+ [ -z ]
+ return
+ _cfor+ [ -z ]
+ echo 1
+ echo
+ label+ result /dev/sda1:::chain
+ log result: /dev/sda1:::chain
+ cache_progname
+ logger -t 20microsoft result: /dev/sda1:::chain
+ echo /dev/sda1:::chain
/dev/sda1:::chain
+ exit 0
+ . /usr/share/os-prober/common.sh
+ cleanup_tmpdir=false
+ cleanup_ro_partitions+ progname+ type mapdevfs
+ partition=/dev/sda2
+ mpoint=/media/Perso
+ type=ext3
+ debug /dev/sda2 is not a MS partition: exiting
+ log debug: /dev/sda2 is not a MS partition: exiting
+ cache_progname
+ basename /usr/lib/os-probes/mounted/20microsoft
+ progname microsoft
+ logger -t 20microsoft debug: /dev/sda2 is not a MS partition: exiting
+ exit 1
+ . /usr/share/os-prober/common.sh
+ cleanup_tmpdir=false
+ cleanup_ro_partitions+ progname+ type mapdevfs
+ partition=/dev/sda5
+ mpoint=/var/lib/os-prober/mount
+ type=fuseblk
+ debug /dev/sda5 is a FUSE partition
+ log debug: /dev/sda5 is a FUSE partition
+ cache_progname
+ basename /usr/lib/os-probes/mounted/20microsoft
+ progname microsoft
+ logger -t 20microsoft debug: /dev/sda5 is a FUSE partition
+ item_in_dir -q bootmgr /var/lib/os-prober/mount
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^bootmgr$
+ ls -1 /var/lib/os-prober/mount
+ item_in_dir -q ntldr /var/lib/os-prober/mount
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^ntldr$
+ ls -1 /var/lib/os-prober/mount
+ item_in_dir dos /var/lib/os-prober/mount
+ [ dos = -q ]
+ q+ grep -i ^dos$
+ ls -1 /var/lib/os-prober/mount
+ [ -d ]
+ item_in_dir -q windows /var/lib/os-prober/mount
+ [ -q = -q ]
+ q=-q
+ shift 1
+ grep -q -i ^windows$
+ ls -1 /var/lib/os-prober/mount
+ exit 1
/dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux

t+
Yann

Opa! Output with /boot and patch: $ LANG=C sudo os-prober + . /usr/share/os-prober/common.sh + cleanup_tmpdir=false + cleanup_ro_partitions= + progname= + type mapdevfs + partition=/dev/sda1 
+ mpoint=/media/Vista + type=fuseblk + debug /dev/sda1 is a FUSE partition + log debug: /dev/sda1 is a FUSE partition + cache_progname + basename /usr/lib/os-probes/mounted/20microsoft + progname=20microsoft 
+ logger -t 20microsoft debug: /dev/sda1 is a FUSE partition + item_in_dir -q bootmgr /media/Vista + [ -q = -q ] + q=-q + shift 1 + grep -q -i ^bootmgr$ + ls -1 /media/Vista + item_in_dir boot/ /media/Vista 
+ [ boot/ = -q ] + q= + grep -i ^boot/$ + ls -1 /media/Vista + boot=/media/Vista + item_in_dir bcd /media/Vista//media/Vista + [ bcd = -q ] + q= + grep -i ^bcd$ + ls -1 /media/Vista//media/Vista 
ls: cannot access /media/Vista//media/Vista: No such file or directory + bcd= + boot= + item_in_dir bcd /media/Vista/ + [ bcd = -q ] + q= + grep -i ^bcd$ + ls -1 /media/Vista/ + bcd= + count_next_label 
+ require_tmpdir + [ -z /tmp/os-prober.u3aFGD ] + _labelprefix= + count_for + _labelprefix= + grep ^ /var/lib/os-prober/labels + true + _result= + [ -z ] + return + _cfor= + [ -z ] 
+ echo 1 + echo + label= + result /dev/sda1:::chain + log result: /dev/sda1:::chain + cache_progname + logger -t 20microsoft result: /dev/sda1:::chain + echo /dev/sda1:::chain /dev/sda1:::chain 
+ exit 0 + . /usr/share/os-prober/common.sh + cleanup_tmpdir=false + cleanup_ro_partitions= + progname= + type mapdevfs + partition=/dev/sda2 + mpoint=/media/Perso + type=ext3 + debug /dev/sda2 is not a MS partition: exiting 
+ log debug: /dev/sda2 is not a MS partition: exiting + cache_progname + basename /usr/lib/os-probes/mounted/20microsoft + progname=20microsoft + logger -t 20microsoft debug: /dev/sda2 is not a MS partition: exiting 
+ exit 1 + . /usr/share/os-prober/common.sh + cleanup_tmpdir=false + cleanup_ro_partitions= + progname= + type mapdevfs + partition=/dev/sda5 + mpoint=/var/lib/os-prober/mount + type=fuseblk + debug /dev/sda5 is a FUSE partition 
+ log debug: /dev/sda5 is a FUSE partition + cache_progname + basename /usr/lib/os-probes/mounted/20microsoft + progname=20microsoft + logger -t 20microsoft debug: /dev/sda5 is a FUSE partition + item_in_dir -q bootmgr /var/lib/os-prober/mount 
+ [ -q = -q ] + q=-q + shift 1 + grep -q -i ^bootmgr$ + ls -1 /var/lib/os-prober/mount + item_in_dir -q ntldr /var/lib/os-prober/mount + [ -q = -q ] + q=-q + shift 1 + grep -q -i ^ntldr$ + ls -1 /var/lib/os-prober/mount 
+ item_in_dir dos /var/lib/os-prober/mount + [ dos = -q ] + q= + grep -i ^dos$ + ls -1 /var/lib/os-prober/mount + [ -d ] + item_in_dir -q windows /var/lib/os-prober/mount + [ -q = -q ] + q=-q + shift 1 
+ grep -q -i ^windows$ + ls -1 /var/lib/os-prober/mount + exit 1 /dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux Output with patch and without /boot: $ LANG=C sudo os-prober [sudo] password for yyy: 
+ . /usr/share/os-prober/common.sh + cleanup_tmpdir=false + cleanup_ro_partitions= + progname= + type mapdevfs + partition=/dev/sda1 + mpoint=/media/Vista + type=fuseblk + debug /dev/sda1 is a FUSE partition 
+ log debug: /dev/sda1 is a FUSE partition + cache_progname + basename /usr/lib/os-probes/mounted/20microsoft + progname=20microsoft + logger -t 20microsoft debug: /dev/sda1 is a FUSE partition + item_in_dir -q bootmgr /media/Vista 
+ [ -q = -q ] + q=-q + shift 1 + grep -q -i ^bootmgr$ + ls -1 /media/Vista + item_in_dir boot/ /media/Vista + [ boot/ = -q ] + q= + grep -i ^boot/$ + ls -1 /media/Vista + boot=/media/Vista 
+ item_in_dir bcd /media/Vista//media/Vista + [ bcd = -q ] + q= + grep -i ^bcd$ + ls -1 /media/Vista//media/Vista ls: cannot access /media/Vista//media/Vista: No such file or directory + bcd= + boot= 
+ item_in_dir bcd /media/Vista/ + [ bcd = -q ] + q= + grep -i ^bcd$ + ls -1 /media/Vista/ + bcd= + count_next_label + require_tmpdir + [ -z /tmp/os-prober.hRfoyP ] + _labelprefix= + count_for 
+ _labelprefix= + grep ^ /var/lib/os-prober/labels + true + _result= + [ -z ] + return + _cfor= + [ -z ] + echo 1 + echo + label= + result /dev/sda1:::chain + log result: /dev/sda1:::chain 
+ cache_progname + logger -t 20microsoft result: /dev/sda1:::chain + echo /dev/sda1:::chain /dev/sda1:::chain + exit 0 + . /usr/share/os-prober/common.sh + cleanup_tmpdir=false + cleanup_ro_partitions= 
+ progname= + type mapdevfs + partition=/dev/sda2 + mpoint=/media/Perso + type=ext3 + debug /dev/sda2 is not a MS partition: exiting + log debug: /dev/sda2 is not a MS partition: exiting + cache_progname 
+ basename /usr/lib/os-probes/mounted/20microsoft + progname=20microsoft + logger -t 20microsoft debug: /dev/sda2 is not a MS partition: exiting + exit 1 + . /usr/share/os-prober/common.sh + cleanup_tmpdir=false 
+ cleanup_ro_partitions= + progname= + type mapdevfs + partition=/dev/sda5 + mpoint=/var/lib/os-prober/mount + type=fuseblk + debug /dev/sda5 is a FUSE partition + log debug: /dev/sda5 is a FUSE partition 
+ cache_progname + basename /usr/lib/os-probes/mounted/20microsoft + progname=20microsoft + logger -t 20microsoft debug: /dev/sda5 is a FUSE partition + item_in_dir -q bootmgr /var/lib/os-prober/mount + [ -q = -q ] 
+ q=-q + shift 1 + grep -q -i ^bootmgr$ + ls -1 /var/lib/os-prober/mount + item_in_dir -q ntldr /var/lib/os-prober/mount + [ -q = -q ] + q=-q + shift 1 + grep -q -i ^ntldr$ + ls -1 /var/lib/os-prober/mount 
+ item_in_dir dos /var/lib/os-prober/mount + [ dos = -q ] + q= + grep -i ^dos$ + ls -1 /var/lib/os-prober/mount + [ -d ] + item_in_dir -q windows /var/lib/os-prober/mount + [ -q = -q ] + q=-q + shift 1 
+ grep -q -i ^windows$ + ls -1 /var/lib/os-prober/mount + exit 1 /dev/sda5:Ubuntu 10.10 (10.10):Ubuntu:linux t+ Yann 

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Bug#634649: os-prober does not detect Windows if there is a /boot folder in the Windows partition

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