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[Bug 32342] New: kernel 2.6.38 for 686 hangs with XFS

To: xfs-masters@xxxxxxxxxxx
Subject: [Bug 32342] New: kernel 2.6.38 for 686 hangs with XFS
From: bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
Date: Thu, 31 Mar 2011 13:38:36 GMT
Auto-submitted: auto-generated
https://bugzilla.kernel.org/show_bug.cgi?id=32342

           Summary: kernel 2.6.38 for 686 hangs with XFS
           Product: File System
           Version: 2.5
    Kernel Version: 2.6.38
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: XFS
        AssignedTo: xfs-masters@xxxxxxxxxxx
        ReportedBy: tprokos+bugs@xxxxxxxxx
        Regression: No


Created an attachment (id=52752)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=52752)
kernel log for hang #1

Since the big XFS refacturing, kernels tend to hang on one particular machine.
It is not a hardware problem, since the very same machine works flawlessly with
the very same configuration, by just using an older (<=2.6.26) kernel.

Especially bad in this respect is the latest 2.6.38 as given in the email
subject: The problem appears right after the reboot. I am filing this bug
report on linux-image-2.6.37-1-686 which also shows hangs but only 1-2 times
per week.

In order to isolate this bug, I am attaching the kernel log for two distinct
hangs (with a reboot in between) and disk information. I suspect that the
problem occurs only on special types of disks, as I run almost the same
configuration on multiple machines (same kernel, XFS formatted disks with the
same XFS format version, same partitioning, etc.) without having any problems.

As Maximilian Attems explains in the Debian bug report #620216 (see:
http://bugs.debian.org/620216 ) he also noticed similar hangs on an unrelated
machine.

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