linux-ext4 - [Bug 42694] New: lvcreate: lock held when returning to user space

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Date:	Mon, 30 Jan 2012 14:07:42 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 42694] New: lvcreate: lock held when returning to user space

https://bugzilla.kernel.org/show_bug.cgi?id=42694

           Summary: lvcreate: lock held when returning to user space
           Product: File System
           Version: 2.5
    Kernel Version: 3.2.2
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: ext3
        AssignedTo: fs_ext3@...nel-bugs.osdl.org
        ReportedBy: ryan@....solarneutrino.net
        Regression: No


I got this with 3.2.2, creating a snapshot of an ext3 filesystem on lvm.

Let me know if you need more information.

lvcreate: sending ioctl 1261 to a partition!

================================================
[ BUG: lock held when returning to user space! ]
------------------------------------------------
lvcreate/23845 is leaving the kernel with locks still held!
1 lock held by lvcreate/23845:
 #0:  (&journal->j_barrier){+.+...}, at: [<ffffffff8110a60a>]
journal_lock_updates+0xdc/0xeb

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