The attached patch set lp897421-patches.tar.gz has been determined to resolve the problem. This set applies to linux 3.2-rc3 (or Ubuntu-3.2.0-2.5) and has been submitted to upstream lists as "Subject: [PATCH 0/5] fix s_umount thaw/write and journal deadlock".
An ubuntu-precise kernel with this patch set applied is available: PPA: https://launchpad.net/~kamalmostafa/+archive/lp897421-unfreeze-deadlock git: http://kernel.ubuntu.com/git?p=kamal/ubuntu-precise.git;a=shortlog;h=refs/heads/lp897421-unfreeze-deadlock The patch set is comprised of: Surbhi Palande (2): Adding support to freeze and unfreeze a journal Thaw the journal when you unfreeze the fs. Valerie Aurora (3): VFS: Fix s_umount thaw/write deadlock VFS: Rename vfs_check_frozen() to Documentation: Correct s_umount state for ** Attachment added: "lp897421-patches.tar.gz" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/897421/+attachment/2614150/+files/lp897421-patches.tar.gz -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/897421 Title: cannot unfreeze filesystem due to a deadlock due to multipath failover To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/897421/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
