[Bug #12759] scsi: aic7xxx hang since v2.6.28-rc1 ...

[Bug #12759] scsi: aic7xxx hang since v2.6.28-rc1 ...

[Rafael J. Wysocki]

This message has been generated automatically as a part of a report
of regressions introduced between 2.6.27 and 2.6.28.

The following bug entry is on the current list of known regressions
introduced between 2.6.27 and 2.6.28.  Please verify if it still should
be listed and let me know (either way).


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12759
Subject		: scsi: aic7xxx hang since v2.6.28-rc1 ...
Submitter	: Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>
Date		: 2009-02-15 11:44 (9 days old)
References	: http://marc.info/?l=linux-kernel&m=123469852817058&w=4
Handled-By	: Alan Stern <stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>

[Bug #12759] scsi: aic7xxx hang since v2.6.28-rc1 ...

[Rafael J. Wysocki]

This message has been generated automatically as a part of a report
of regressions introduced between 2.6.27 and 2.6.28.

The following bug entry is on the current list of known regressions
introduced between 2.6.27 and 2.6.28.  Please verify if it still should
be listed and let me know (either way).


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12759
Subject		: scsi: aic7xxx hang since v2.6.28-rc1 ...
Submitter	: Ingo Molnar <mingo@elte.hu>
Date		: 2009-02-15 11:44 (9 days old)
References	: http://marc.info/?l=linux-kernel&m=123469852817058&w=4
Handled-By	: Alan Stern <stern@rowland.harvard.edu>

[Bug 12759] New: scsi: aic7xxx hang since v2.6.28-rc1 ...

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=12759

           Summary: scsi: aic7xxx hang since v2.6.28-rc1 ...
           Product: SCSI Drivers
           Version: 2.5
     KernelVersion: 2.6.28-rc1
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Other
        AssignedTo: scsi_drivers-other@kernel-bugs.osdl.org
        ReportedBy: rjw@sisk.pl
                CC: stern@rowland.harvard.edu, mingo@elte.hu
OtherBugsDependingO 11808
             nThis:
        Regression: 1


Subject    : scsi: aic7xxx hang since v2.6.28-rc1 ...
Submitter  : Ingo Molnar <mingo@elte.hu>
Date       : 2009-02-15 11:44
References : http://marc.info/?l=linux-kernel&m=123469852817058&w=4
Handled-By : Alan Stern <stern@rowland.harvard.edu>

This entry is being used for tracking a regression from 2.6.27.  Please don't
close it until the problem is fixed in the mainline.


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[Bug #12759] scsi: aic7xxx hang since v2.6.28-rc1 ...

[Rafael J. Wysocki]

This message has been generated automatically as a part of a report
of regressions introduced between 2.6.27 and 2.6.28.

The following bug entry is on the current list of known regressions
introduced between 2.6.27 and 2.6.28.  Please verify if it still should
be listed and let me know (either way).


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12759
Subject		: scsi: aic7xxx hang since v2.6.28-rc1 ...
Submitter	: Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>
Date		: 2009-02-15 11:44 (17 days old)
References	: http://marc.info/?l=linux-kernel&m=123469852817058&w=4
Handled-By	: Alan Stern <stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>

[Bug #12759] scsi: aic7xxx hang since v2.6.28-rc1 ...

[Rafael J. Wysocki]

This message has been generated automatically as a part of a report
of regressions introduced between 2.6.27 and 2.6.28.

The following bug entry is on the current list of known regressions
introduced between 2.6.27 and 2.6.28.  Please verify if it still should
be listed and let me know (either way).


Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12759
Subject		: scsi: aic7xxx hang since v2.6.28-rc1 ...
Submitter	: Ingo Molnar <mingo@elte.hu>
Date		: 2009-02-15 11:44 (17 days old)
References	: http://marc.info/?l=linux-kernel&m=123469852817058&w=4
Handled-By	: Alan Stern <stern@rowland.harvard.edu>

[Bug 12759] scsi: aic7xxx hang since v2.6.28-rc1 ...

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=12759


rjw@sisk.pl changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |CLOSED
         Resolution|                            |CODE_FIX




------- Comment #1 from rjw@sisk.pl  2009-03-14 14:18 -------
The problem seems to have been fixed, closing.


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Re: [Bug 12759] scsi: aic7xxx hang since v2.6.28-rc1 ...

[James Bottomley]

On Sat, 2009-03-14 at 14:18 -0700, bugme-daemon@bugzilla.kernel.org
wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=12759
> 
> 
> rjw@sisk.pl changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>              Status|NEW                         |CLOSED
>          Resolution|                            |CODE_FIX
> 
> 
> 
> 
> ------- Comment #1 from rjw@sisk.pl  2009-03-14 14:18 -------
> The problem seems to have been fixed, closing.

Actually, I don't think the problem is gone, it's just gone into hiding
again.  What seems to happen is that as we alter code in scsi_lib.c,
particularly along the completion paths, it reappears and then
disappears again.  It looks like some obscure timing related bug,
possibly in the aic7xxx driver, or possibly in the mid-layer 

I've rebuilt my main SCSI test box to be aic7xxx based to see if we can
somehow find it again and debug it.

So, I'd like this bug left open against SCSI please, but you can
probably remove it as a current regression (I think it's probably been
hiding for a very long time).

James

[Bug 12759] scsi: aic7xxx hang since v2.6.28-rc1 ...

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=12759





------- Comment #2 from anonymous@kernel-bugs.osdl.org  2009-03-14 15:52 -------
Reply-To: James.Bottomley@HansenPartnership.com

On Sat, 2009-03-14 at 14:18 -0700, bugme-daemon@bugzilla.kernel.org
wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=12759
> 
> 
> rjw@sisk.pl changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>              Status|NEW                         |CLOSED
>          Resolution|                            |CODE_FIX
> 
> 
> 
> 
> ------- Comment #1 from rjw@sisk.pl  2009-03-14 14:18 -------
> The problem seems to have been fixed, closing.

Actually, I don't think the problem is gone, it's just gone into hiding
again.  What seems to happen is that as we alter code in scsi_lib.c,
particularly along the completion paths, it reappears and then
disappears again.  It looks like some obscure timing related bug,
possibly in the aic7xxx driver, or possibly in the mid-layer 

I've rebuilt my main SCSI test box to be aic7xxx based to see if we can
somehow find it again and debug it.

So, I'd like this bug left open against SCSI please, but you can
probably remove it as a current regression (I think it's probably been
hiding for a very long time).

James


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[Bug 12759] scsi: aic7xxx hang since v2.6.28-rc1 ...

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=12759


rjw@sisk.pl changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
OtherBugsDependingO|11808                       |
              nThis|                            |
             Status|CLOSED                      |REOPENED
         Regression|1                           |0
         Resolution|CODE_FIX                    |




------- Comment #3 from rjw@sisk.pl  2009-03-14 17:17 -------
OK, reopening but dropping from the list of regressions.


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[Bug 12759] scsi: aic7xxx hang since v2.6.28-rc1 ...

[bugme-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=12759


rjw@sisk.pl changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |NEW




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[Bug 12759] scsi: aic7xxx hang since v2.6.28-rc1 ...

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=12759


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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO
                 CC|                            |alan@lxorguk.ukuu.org.uk
         Regression|---                         |No




--- Comment #4 from Alan <alan@lxorguk.ukuu.org.uk>  2012-05-30 14:14:07 ---
Has this been seen since - should we bump the version or close it ?

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[Bug 12759] scsi: aic7xxx hang since v2.6.28-rc1 ...

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=12759


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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |RESOLVED
         Resolution|                            |INSUFFICIENT_DATA




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