Build Version/Date: Linux armadaxp1 3.2.0-1600-armadaxp #3-Ubuntu SMP Fri Mar
16 19:14:51 UTC 2012 armv7l armv7l armv7l GNU/Linux
Release: 12.04
Environment used for testing: armadaxp1
# mount | tail -1
/dev/sda6 on /mnt type ext2 (rw)
# cp /boot/* /mnt/ ; ls -la /mnt/ ; time umount /mnt
...
This appears to be fixed with the 3.2 kernel. Marking as fix-committed.
Will change once the 3.2 kernel hits the pool.
** Changed in: linux-armadaxp (Ubuntu)
Status: New = Fix Committed
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** Changed in: eilt
Importance: Undecided = Low
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https://bugs.launchpad.net/bugs/939240
Title:
[public] armadaxp kernel slow to umount
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Tested Precise userspace with 3.0.0.-12-generic-pae i686 kernel as sudo
against an ext2 (/boot) umount and it was faster than the same umount
using the 3.2 kernel (0.079s vs. 0.089s), all in a VM.
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To successfully reproduce this, mahmoh and I discovered that you seem to
have to run it from a root shell - running it under sudo produces
reasonable (i.e. immediate) umount times. I therefore suspected some
obscure capability thing, but I don't see any such differences in the
kernel code.
** Summary changed:
- armadaxp kernel slow to unmount
+ [public] armadaxp kernel slow to umount
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https://bugs.launchpad.net/bugs/939240
Title:
[public] armadaxp kernel slow to umount
