[Bug 620242] Re: hang in ext4_journal_start_sb making an lvm snapshot

[nutznboltz]

"bdi_sync_writeback()" is the key.

Search for "writeback" in
https://edge.launchpad.net/ubuntu/+source/linux/2.6.32-25.43

Also look for "writeback" in

Bug #543617
Bug #585092
Bug #601361
Bug #620242
Bug #628047

Try the proposed kernel version 2.6.32-25.43, see
https://wiki.ubuntu.com/Testing/EnableProposed

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hang in ext4_journal_start_sb making an lvm snapshot
https://bugs.launchpad.net/bugs/620242
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