** Tags removed: sts-sponsor
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https://bugs.launchpad.net/bugs/1579609
Title:
os-prober bug resulting in possible FS corruption
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This bug was fixed in the package os-prober - 1.70ubuntu3.3
---
os-prober (1.70ubuntu3.3) xenial; urgency=medium
* More fixes to not mangle partitions that can't be safely detected via
mounting: (LP: #1579609)
- os-probes/common/50mounted-tests: Add statement to skip probin
Today I helped a users with the exact same problem :
os-prober: debug: running /usr/lib/os-probes/10zvol-test on /dev/sda1
os-prober: debug: running /usr/lib/os-probes/50mounted-tests on /dev/sda1
kernel: [3178302.911951] EXT4-fs (sda1): VFS: Can't find ext4 filesystem
kernel: [3178302.913401] EXT
I have tested package "1.70ubuntu3.3" and it works as expected for my
part byt skipping LVM2_member.
# fs_type /dev/vda1
ext2
# fs_type /dev/vda2
NOT-DETECTED
# fs_type /dev/vda5
LVM2_member
* os-prober, do not return error
* update-grub and update-grub2 doesn't report partitions detection errors
Hello Yung, or anyone else affected,
Accepted os-prober into xenial-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/os-
prober/1.70ubuntu3.3 in a few hours, and then in the -proposed
repository.
Please help us by testing this new package. See
https:/
This doesn't apply to Xenial; I instead merged from Debian which
includes a different fix, but one that isn't so applicable for a SRU. We
discussed the proposed changes with Colin, who maintains os-prober in
Debian, and he was okay with the proposed changes for a SRU.
** Changed in: os-prober (Ubu
I actually meant Zesty, not Xenial.
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Title:
os-prober bug resulting in possible FS corruption
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This fix, the one from comment #30, doesn't seem to have landed in
Xenial.
** Changed in: os-prober (Ubuntu Xenial)
Status: Fix Committed => Incomplete
** Changed in: os-prober (Ubuntu)
Status: Fix Released => Triaged
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Zesty
** Patch added: "zesty_skip_lvm_member.debdiff"
https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1579609/+attachment/4805950/+files/zesty_skip_lvm_member.debdiff
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As per my irc conversation with cyphermox, I submit a new patch to skip
LVM2_member and "" (not detected) partition from probing to clean os-
prober output, and in the same time "update-grub" output.
** Patch added: "xenial_skip_lvm_member.debdiff"
https://bugs.launchpad.net/ubuntu/+source/os
os-prober should at least mention which partition failed to probe, so
that one can immediately see whether it's an issue; but should also
probably explicitly skip LVM2_member (as the underlying LVs would get
probed too separately, possibly before the partition is reached
(assuming this is probed in
The "Failed to probe for filesystem type" in my case is related to one
of my "Linux LVM" partition and AFAIK LVM is not directly mountable.
I tweaked "os-prober" to give me the partition that cannot be probe :
# os-prober
/dev/nvme0n1p5 - Failed to probe for filesystem type
# fdisk
/dev/nvme0n1
I want to test the package more, I think I found something that could
have need improvement, that I didn't notice before.
$ update-grub
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-4.4.0-60-generic
Found initrd image: /boot/initrd.img-4.4.0-60-generic
Found linux image:
I also tested the package myself with 1.70ubuntu3.2 and I couldn't
reproduce the bug.
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Title:
os-prober bug resulting in possible FS corruption
I also tested the package myself with and I couldn't reproduce the bug
with 1.70ubuntu3.2
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Title:
os-prober bug resulting in possible FS corrupti
It has been brought to my attention the following :
"I tested the os-prober in xenial-proposed (1.70ubuntu3.2) using the
scenarios mention above in [Test Case]. This new package fixes the bug"
- Eric
** Tags removed: verification-needed
** Tags added: verification-done
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@Eric,
Please detail how and what you tested before marking verification-done.
** Tags removed: verification-done
** Tags added: verification-needed
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** Tags removed: verification-needed
** Tags added: verification-done
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Title:
os-prober bug resulting in possible FS corruption
To manage notifi
Yung Shen,
Do you had the chance to test the package found in -proposed [1.70ubuntu3.2] ?
This is the last step before the package to land in -update (stable)
Regards,
Eric
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Hello Yung, or anyone else affected,
Accepted os-prober into xenial-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/os-
prober/1.70ubuntu3.2 in a few hours, and then in the -proposed
repository.
Please help us by testing this new package. See
https:/
Important note for SRU :
As per my IRC message in #ubuntu-bugs and #ubuntu-devel on Freenode.
Version 3.2 should be applied on top of 3.1 in -proposed.
3.1 should not be tag "verification-done" nor promote to -updates
without 3.2 patch, since it is missing the "grub-common" dependency.
Eric
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Marking verification-failed: os-prober ...3.1 is missing a Depends on
grub-common due to it now really requiring grub-probe and grub-mount
(there are no longer other paths to probing for filesystems).
** Tags removed: verification-needed
** Tags added: verification-failed
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V3 revision including the missing Depends: grub-common and version
increment to 3.2
** Patch added: "V3_xenial_lp1579609"
https://bugs.launchpad.net/ubuntu/xenial/+source/os-prober/+bug/1579609/+attachment/4791559/+files/V3_xenial_lp1579609.debdiff
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@cyphermox,
As per our IRC communication, here the V2 version of the Xenial debdiff:
** Patch added: "V2_xenial_lp1579609"
https://bugs.launchpad.net/ubuntu/xenial/+source/os-prober/+bug/1579609/+attachment/4791558/+files/V2_xenial_lp1579609.debdiff
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Hello Yung, or anyone else affected,
Accepted os-prober into xenial-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/os-
prober/1.70ubuntu3.1 in a few hours, and then in the -proposed
repository.
Please help us by testing this new package. See
https:/
This bug was fixed in the package os-prober - 1.70ubuntu4
---
os-prober (1.70ubuntu4) zesty; urgency=medium
* Fixing FS probes in os-probes/common/50mounted-tests (LP: #1579609).
-- Eric Desrochers Tue, 06 Dec 2016
10:02:36 -0500
** Changed in: os-prober (Ubuntu)
Status:
The patch has been modified as per IRC communication with cyphermox
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Title:
os-prober bug resulting in possible FS corruption
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Debdiff for Zesty (devel release)
** Patch added: "Zesty_debdiff"
https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1579609/+attachment/4788146/+files/zesty_lp1579609.debdiff
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Debdiff for Xenial
** Tags added: sts sts-sponsor sts-sru
** Patch added: "Xenial_debdiff"
https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1579609/+attachment/4788145/+files/xenial_lp1579609.debdiff
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Bugs, whic
** Changed in: os-prober (Ubuntu)
Importance: Critical => Medium
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Title:
os-prober bug resulting in possible FS corruption
To manage notifica
** Description changed:
- According to this it should be fixed
- https://bugs.launchpad.net/ubuntu/+source/os-
- prober/+bug/1374759/comments/32
+ [Impact]
+
+ This bug generate some warnings in system log and in some cases it also might
cause FS corruption
+ as seen with a user using MySQL for
It also been brought to my attention the following feedbacks:
"I installed the update on one of our lab hypervisors and it seems to do
the trick; I get these entries below in the hypervisor syslog but no I/O
errors on the guest."
os-prober: debug: running /usr/lib/os-probes/mounted/05efi
@slashd
I verified the package in comment #6
https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1579609/comments/6
There is no more error message showing up.
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** Changed in: os-prober (Ubuntu Xenial)
Assignee: (unassigned) => Eric Desrochers (slashd)
** Changed in: os-prober (Ubuntu Xenial)
Importance: Undecided => Critical
** Changed in: os-prober (Ubuntu Xenial)
Status: New => In Progress
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** Also affects: os-prober (Ubuntu Xenial)
Importance: Undecided
Status: New
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Title:
os-prober bug resulting in possible FS corruption
Hi Bryn Hughes (linux-nashira),
Would you be amenable to test the os-prober "test package" I built ?
Instruction can be found in comment #6
https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1579609/comments/6
Thanks
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Worth mentioning in my particular case (#7 above), the /dev/sd[a-z]9
partition has its type set to "Solaris reserved 1" so it should not even
be probed really. Appears os-prober isn't actually looking at the
partition type flags, or at least isn't blacklisting flags that
shouldn't be probed.
# fdi
This bug can be particularly brutal on systems with a large amount of
storage. I am running a storage server with 24 drives in ZFS pools.
Every single one of those drives generates many messages; there's 19
lines per drive so in my case, 456 lines of filesystem errors in my
dmesg every time os-prob
** Summary changed:
- [Xenial] >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is
ufstype=old
+ os-prober bug resulting in possible FS corruption
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