[Bug 48241] New: oops when setting up LVM

[Bug 48241] New: oops when setting up LVM

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=48241

           Summary: oops when setting up LVM
           Product: IO/Storage
           Version: 2.5
    Kernel Version: 3.6.0-next-20121003
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: SCSI
        AssignedTo: linux-scsi@vger.kernel.org
        ReportedBy: daniel.santos@pobox.com
        Regression: No


Created an attachment (id=81921)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=81921)
image of oops

see attached image

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[Bug 48241] oops when setting up LVM

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https://bugzilla.kernel.org/show_bug.cgi?id=48241





--- Comment #1 from Daniel Santos <daniel.santos@pobox.com>  2012-10-03 15:05:37 ---
Created an attachment (id=81931)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=81931)
output of lshw

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[Bug 48241] oops when setting up LVM

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https://bugzilla.kernel.org/show_bug.cgi?id=48241





--- Comment #2 from Daniel Santos <daniel.santos@pobox.com>  2012-10-03 15:06:49 ---
Created an attachment (id=81941)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=81941)
.config

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[Bug 48241] oops when setting up LVM

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https://bugzilla.kernel.org/show_bug.cgi?id=48241





--- Comment #3 from Daniel Santos <daniel.santos@pobox.com>  2012-10-03 15:13:29 ---
Oh, I forgot my compiler:

$ gcc -v
Using built-in specs.
COLLECT_GCC=/usr/x86_64-pc-linux-gnu/gcc-bin/4.7.1/gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/4.7.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /tmp/portage/sys-devel/gcc-4.7.1/work/gcc-4.7.1/configure
--prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.7.1
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.1/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.7.1
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.7.1/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.7.1/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.7.1/include/g++-v4
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --disable-altivec
--disable-fixed-point --with-ppl --with-cloog --disable-ppl-version-check
--with-cloog-include=/usr/include/cloog-ppl --enable-lto --enable-nls
--without-included-gettext --with-system-zlib --enable-obsolete
--disable-werror --enable-secureplt --enable-multilib
--with-multilib-list=m32,m64 --enable-libmudflap --disable-libssp
--enable-libgomp
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/4.7.1/python
--enable-checking=release --enable-java-awt=gtk --enable-objc-gc
--enable-languages=c,c++,java,objc,obj-c++,fortran --enable-shared
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
--enable-targets=all --with-bugurl=http://bugs.gentoo.org/
--with-pkgversion='Gentoo 4.7.1'
Thread model: posix
gcc version 4.7.1 (Gentoo 4.7.1)

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Re: [Bug 48241] New: oops when setting up LVM

[James Bottomley]

On Wed, 2012-10-03 at 15:04 +0000, bugzilla-daemon@bugzilla.kernel.org
wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=48241
> 
>            Summary: oops when setting up LVM
>            Product: IO/Storage
>            Version: 2.5
>     Kernel Version: 3.6.0-next-20121003
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: normal
>           Priority: P1
>          Component: SCSI
>         AssignedTo: linux-scsi@vger.kernel.org
>         ReportedBy: daniel.santos@pobox.com
>         Regression: No
> 
> 
> Created an attachment (id=81921)
>  --> (https://bugzilla.kernel.org/attachment.cgi?id=81921)
> image of oops

The image says the RIP is at kthread_data + 0xb

That implies something went wrong within the workqueue or kthread
systems, I've cc'd linux-kernel, but it's a bit of a vague thing to go
on and could conceivably be a hardware issue (or some weird thread
interaction in linux-next).

The first question would be "does it happen in vanilla 3.6"?

James

[Bug 48241] oops when setting up LVM

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=48241





--- Comment #4 from Anonymous Emailer <anonymous@kernel-bugs.osdl.org>  2012-10-03 15:23:10 ---
Reply-To: James.Bottomley@HansenPartnership.com

On Wed, 2012-10-03 at 15:04 +0000, bugzilla-daemon@bugzilla.kernel.org
wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=48241
> 
>            Summary: oops when setting up LVM
>            Product: IO/Storage
>            Version: 2.5
>     Kernel Version: 3.6.0-next-20121003
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: normal
>           Priority: P1
>          Component: SCSI
>         AssignedTo: linux-scsi@vger.kernel.org
>         ReportedBy: daniel.santos@pobox.com
>         Regression: No
> 
> 
> Created an attachment (id=81921)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=81921)
>  --> (https://bugzilla.kernel.org/attachment.cgi?id=81921)
> image of oops

The image says the RIP is at kthread_data + 0xb

That implies something went wrong within the workqueue or kthread
systems, I've cc'd linux-kernel, but it's a bit of a vague thing to go
on and could conceivably be a hardware issue (or some weird thread
interaction in linux-next).

The first question would be "does it happen in vanilla 3.6"?

James

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[Bug 48241] oops when setting up LVM

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https://bugzilla.kernel.org/show_bug.cgi?id=48241





--- Comment #5 from Daniel Santos <daniel.santos@pobox.com>  2012-10-03 15:36:53 ---
> The image says the RIP is at kthread_data + 0xb
> 
> That implies something went wrong within the workqueue or kthread
> systems, I've cc'd linux-kernel, but it's a bit of a vague thing to go
> on and could conceivably be a hardware issue (or some weird thread
> interaction in linux-next).

OK, thanks. I was kinda guessing it was from scsi_setup_fs_cmnd when I choose a
component, I don't really know that part of the kernel.

> The first question would be "does it happen in vanilla 3.6"?

I haven't tried 3.6 yet, but I did just rebuild using gcc 4.6.3 to make sure it
wasn't compiler related.  After that, I will try 3.6 built with gcc 4.7.1. 
Also, I got this in -mmotm prior to trying linux-next.

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[Bug 48241] oops when setting up LVM

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https://bugzilla.kernel.org/show_bug.cgi?id=48241





--- Comment #6 from Daniel Santos <daniel.santos@pobox.com>  2012-10-03 16:16:48 ---
Created an attachment (id=81951)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=81951)
oops of next-20121003 compiled with gcc 4.6.3

So yeah, very similar oops under 4.6.3 (looks like all that changed were
addresses & such).  I'm running 3.6.0 right now.

uugh, but now that I think about it, I didn't use the same config that I was
running earlier since oldconfig was asking me tons of questions that were
already answered with a previous config (options removed or moved possibly?). 
To make this complete, I should use my current 3.6.0 config, rebase to
next-20121003 and build that.

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[Bug 48241] oops when setting up LVM

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--- Comment #7 from Daniel Santos <daniel.santos@pobox.com>  2012-10-03 16:21:22 ---
Created an attachment (id=81961)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=81961)
Working 3.6.0-vanilla .config

This is the .config from 3.6.0-vanilla that is working

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[Bug 48241] oops when setting up LVM

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--- Comment #8 from Daniel Santos <daniel.santos@pobox.com>  2012-10-03 16:45:43 ---
Created an attachment (id=81971)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=81971)
config-3.6.0-next-20121003 (second)

OK, so I took my .config from 3.6.0-vanilla, ran oldconfig under
3.6.0-next-20121003 (using all default answers) and I have the same oops.

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[Bug 48241] oops when setting up LVM

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Daniel Santos <daniel.santos@pobox.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #81961|application/octet-stream    |text/plain
          mime type|                            |




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[Bug 48241] oops when setting up LVM

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https://bugzilla.kernel.org/show_bug.cgi?id=48241


Daniel Santos <daniel.santos@pobox.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #81971|application/octet-stream    |text/plain
          mime type|                            |




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Re: [Bug 48241] New: oops when setting up LVM (3.6.0-next-20121003)

[Daniel Santos]

On 10/03/2012 10:23 AM, James Bottomley wrote:
> On Wed, 2012-10-03 at 15:04 +0000, bugzilla-daemon@bugzilla.kernel.org
> wrote:
>> https://bugzilla.kernel.org/show_bug.cgi?id=48241
>>
>>            Summary: oops when setting up LVM
>>            Product: IO/Storage
>>            Version: 2.5
>>     Kernel Version: 3.6.0-next-20121003
>>           Platform: All
>>         OS/Version: Linux
>>               Tree: Mainline
>>             Status: NEW
>>           Severity: normal
>>           Priority: P1
>>          Component: SCSI
>>         AssignedTo: linux-scsi@vger.kernel.org
>>         ReportedBy: daniel.santos@pobox.com
>>         Regression: No
>>
>>
>> Created an attachment (id=81921)
>>  --> (https://bugzilla.kernel.org/attachment.cgi?id=81921)
>> image of oops
>
> The image says the RIP is at kthread_data + 0xb
>
> That implies something went wrong within the workqueue or kthread
> systems, I've cc'd linux-kernel, but it's a bit of a vague thing to go
> on and could conceivably be a hardware issue (or some weird thread
> interaction in linux-next).
>
> The first question would be "does it happen in vanilla 3.6"?
>
> James
So just to CC LKML, works in vanilla 3.6.0, happens in both -next & -mm,
tried compiling with both gcc 4.6.3 & 4.7.1.

Daniel

[Bug 48241] oops when setting up LVM

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=48241





--- Comment #9 from Anonymous Emailer <anonymous@kernel-bugs.osdl.org>  2012-10-04 07:34:55 ---
Reply-To: danielfsantos@att.net

On 10/03/2012 10:23 AM, James Bottomley wrote:
> On Wed, 2012-10-03 at 15:04 +0000, bugzilla-daemon@bugzilla.kernel.org
> wrote:
>> https://bugzilla.kernel.org/show_bug.cgi?id=48241
>>
>>            Summary: oops when setting up LVM
>>            Product: IO/Storage
>>            Version: 2.5
>>     Kernel Version: 3.6.0-next-20121003
>>           Platform: All
>>         OS/Version: Linux
>>               Tree: Mainline
>>             Status: NEW
>>           Severity: normal
>>           Priority: P1
>>          Component: SCSI
>>         AssignedTo: linux-scsi@vger.kernel.org
>>         ReportedBy: daniel.santos@pobox.com
>>         Regression: No
>>
>>
>> Created an attachment (id=81921)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=81921)
>>  --> (https://bugzilla.kernel.org/attachment.cgi?id=81921)
>> image of oops
>
> The image says the RIP is at kthread_data + 0xb
>
> That implies something went wrong within the workqueue or kthread
> systems, I've cc'd linux-kernel, but it's a bit of a vague thing to go
> on and could conceivably be a hardware issue (or some weird thread
> interaction in linux-next).
>
> The first question would be "does it happen in vanilla 3.6"?
>
> James
So just to CC LKML, works in vanilla 3.6.0, happens in both -next & -mm,
tried compiling with both gcc 4.6.3 & 4.7.1.

Daniel

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[Bug 48241] oops when setting up LVM

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--- Comment #10 from Daniel Santos <daniel.santos@pobox.com>  2012-10-05 18:38:08 ---
Update: bug not present in Linus today (commit
ecefbd94b834fa32559d854646d777c56749ef1c)

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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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