[Bug 41872] New: Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

[Bug 41872] New: Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=41872

           Summary: Kernel crashes after ejecting of Samsung U5 player
                    (just a flash stick)
           Product: IO/Storage
           Version: 2.5
    Kernel Version: 2.6.38-3.0.0
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: SCSI
        AssignedTo: linux-scsi@vger.kernel.org
        ReportedBy: wolfram@ritsuka.org
        Regression: No


When I'm ejecting my Samsung U5 player (mounted or umounted with udisks
--unmount or ejected via udisks --eject) I always get null pointer dereference
crash.

Please find attached screenshot with error message and additional details

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[Bug 41872] Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

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--- Comment #1 from wolfram@ritsuka.org  2011-08-28 14:27:37 ---
Created an attachment (id=70602)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=70602)
Kernel config

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[Bug 41872] Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

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--- Comment #2 from wolfram@ritsuka.org  2011-08-28 14:27:57 ---
Created an attachment (id=70612)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=70612)
/proc/cpuinfo

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[Bug 41872] Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

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--- Comment #3 from wolfram@ritsuka.org  2011-08-28 14:28:16 ---
Created an attachment (id=70622)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=70622)
lspci -vvv

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[Bug 41872] Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

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https://bugzilla.kernel.org/show_bug.cgi?id=41872





--- Comment #4 from wolfram@ritsuka.org  2011-08-28 14:28:34 ---
Created an attachment (id=70632)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=70632)
lsusb -v

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[Bug 41872] Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

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https://bugzilla.kernel.org/show_bug.cgi?id=41872





--- Comment #5 from wolfram@ritsuka.org  2011-08-28 14:28:55 ---
Created an attachment (id=70642)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=70642)
/proc/iomem

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[Bug 41872] Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

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https://bugzilla.kernel.org/show_bug.cgi?id=41872





--- Comment #6 from wolfram@ritsuka.org  2011-08-28 14:29:18 ---
Created an attachment (id=70652)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=70652)
/proc/ioports

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[Bug 41872] Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

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https://bugzilla.kernel.org/show_bug.cgi?id=41872





--- Comment #7 from wolfram@ritsuka.org  2011-08-28 14:30:03 ---
Created an attachment (id=70662)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=70662)
/proc/scsi/scsi

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[Bug 41872] Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

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--- Comment #8 from wolfram@ritsuka.org  2011-08-28 14:30:35 ---
Created an attachment (id=70672)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=70672)
/proc/version

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[Bug 41872] Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

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--- Comment #9 from wolfram@ritsuka.org  2011-08-28 14:32:37 ---
Created an attachment (id=70682)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=70682)
black screen of die

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[Bug 41872] Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

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Bart Van Assche <bvanassche@acm.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bvanassche@acm.org




--- Comment #10 from Bart Van Assche <bvanassche@acm.org>  2011-08-28 14:39:34 ---
Please correct the kernel version - above I see "2.5" while the config and the
screenshot say "3.0.0-gentoo-01".

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[Bug 41872] Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

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--- Comment #11 from wolfram@ritsuka.org  2011-08-28 14:42:33 ---
Could you give me a hint how to do that?

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[Bug 41872] Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

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--- Comment #12 from Bart Van Assche <bvanassche@acm.org>  2011-08-28 14:49:30 ---
Never mind. It would help if you could verify whether this has been fixed in
3.1-rc3, available from http://kernel.org/. That version contains this patch:
http://www.spinics.net/lists/stable-commits/msg13017.html.

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[Bug 41872] Kernel crashes after ejecting of Samsung U5 player (just a flash stick)

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--- Comment #13 from wolfram@ritsuka.org  2011-08-28 15:13:34 ---
Hmmm. Working like a charm. I can't insist that problem is really solved, but
I've five successfull ejections without any problem, so looks like that.

wolfy@core ~ % uname -a
Linux core 3.1.0-rc3-git3-00 #1 SMP PREEMPT Sun Aug 28 22:01:43 NOVST 2011
x86_64 Intel(R) Core(TM) i5 CPU 750 @ 2.67GHz GenuineIntel GNU/Linux

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Alan <alan@lxorguk.ukuu.org.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |alan@lxorguk.ukuu.org.uk
         Resolution|                            |CODE_FIX




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