Using bzr + nfsv4 i reproduce systematically ("bzr status" command
non-interruptible even with kill -9. Using "umount -f ...." once or twice
terminates bzr command).
I add log statements (logs added with 'mutter' are stored in ~/.bzr.log) in
"show_tree_status" from status.py. It appears that this is the last statement
of show_tree_status which block: "wt.unblock()"
(http://bazaar.launchpad.net/~bzr-pqm/bzr/2.1/view/head:/bzrlib/status.py#L165).
Backtrace attached (done after "umount -f ..."). See
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/665082/+attachment/1708220/+files/nfsbug2.txt
too.
** Attachment added: "backtrace"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/480444/+attachment/1928923/+files/bt.log
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https://bugs.launchpad.net/bugs/480444
Title:
packet storm with linux NFSv4 client when calling ftruncate()
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