OK, on a non-luks encrypted bog-standard lvm2 install of the latest trusty tahr.
Note: the original bug was already solved. The case where the output of the
lv-snapshot creation is directed to a file on the volume being snapshotted is a
mixed bag with the latest trusty tahr. The first time it
Additional note: on the console I get messages like:
[ 601.586905] INFO: task lvcreateL1999 blocked for more than 120 seconds.
[ 601.593195] Tainted: G W 3.12.0-7-generic #15-Ubuntu
[ 601.593195] echo 0 /proc/sys/kernel/hung_task_timeout_secs disables this
message.
(3
pepa65, thank you for your comment. Given that as you noted in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/comments/38 the
original bug is solved, in order to eliminate scope creep, and focus on your
problem quickly and efficiently, it would be best to close this report, and
I don't think the status should be invalid. A workaround is provided,
and there is an interaction with udev that causes it.
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https://bugs.launchpad.net/bugs/1096520
Title:
lvm2 hangs
pepa65, thank you for your comments. Could you please confirm this issue
exists with the latest development release of Ubuntu? ISO images are
available from http://cdimage.ubuntu.com/daily-live/current/ . If the
issue remains, could you please run the following command in the
development release
Sorry, the iso won't install. It's stuck at 98% CPU for over an hour at
'cryptsetup', which manually only takes a second... I don't even know if
the installer uses the proper setup, and I don't see a way to do it with
Something else.
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pepa65, thank you for attempting to test Trusty. Would it be possible to
test an earlier release via http://releases.ubuntu.com/ ?
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https://bugs.launchpad.net/bugs/1096520
Title:
lvm2
pepa65, this bug report is being closed due to your last comments:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/comments/21
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1096520/comments/32
regarding this being fixed with an update. For future reference you can
manage the
This comment from Zdenek Kabelac 'closes' this bug report as far as I'm
concerned:
Hmm you are doing snapshot of 'root' filesystem - and there could
be actually some problems with delivering of cookie since udev
might get frozen.
So folks, don't do: lvcreate -s ... /file/on/rootfs
But instead
Response from Zdenek Kabelac:
1. One-line summary
lvm2 hangs when creating snapshot of live root and IO to the root filesystem
is happening
2. Full description
Root filesystem ext4 on lvm2 extent in luks-encrypted
partition with mainline
I replied this back, I hope it doesn't have negative unintended consequences...
I think this happens everywhere. I just did a Fedora 18-beta install (no
cryptsetup, just default lvm2 setup), and this hangs:
lvcreate -s -n oscopy - -l
** Summary changed:
- lvm2 hangs when creating snapshot of live root
+ lvm2 hangs when creating snapshot of live root and IO to the root filesystem
is happening
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** Description changed:
On Lucid LTS 10.04.4 with package linux-image-2.6.32-45-generic-pae
2.6.32-45.101 (2.6.32.45.52),
also happens on linux-image-2.6.35-32-generic-pae 2.6.35-32.68~lucid1
(2.6.35.14)
Root filesystem ext4 (e2fslibs 1.41.11-1ubuntu2.1) on lvm2 2.02.54-1ubuntu4.1,
vg
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