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From: Andrew Morton <akpm@osdl.org>
To: Paul Jackson <pj@sgi.com>
Cc: greg@kroah.com, ebiederm@xmission.com,
	linux-kernel@vger.kernel.org, yanmin.zhang@intel.com,
	neilb@cse.unsw.edu.au
Subject: Re: + proc-dont-lock-task_structs-indefinitely-cpuset-fix-2.patch added to -mm tree
Date: Wed, 1 Mar 2006 23:42:15 -0800	[thread overview]
Message-ID: <20060301234215.62010fec.akpm@osdl.org> (raw)
In-Reply-To: <20060301221429.c61b4ae6.pj@sgi.com>

Paul Jackson <pj@sgi.com> wrote:
>
> > It'd be interesting to see if just the data structure expansion:
> 
> Nice guess.
> 
> It still crashes on boot.
> 

OK.   This is awful.   I cannot see it.

If someone passes get_cpu_sysdev() a -ve cpu number then ugly things will
happen, but it's unlikely to be that.  Pretty sad coding though.

> Unable to handle kernel NULL pointer dereference (address 0000000000000058)
> ...
> ip is at sysfs_create_group+0x30/0x2a0

Are you able to determine which pointer deref this is faulting at?  I
couldn't find any fields which look like they're 0x58 bytes into anything.

Thanks for persisting with this.

  reply	other threads:[~2006-03-02  7:43 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200603010120.k211KqVP009559@shell0.pdx.osdl.net>
2006-03-01  2:18 ` + proc-dont-lock-task_structs-indefinitely-cpuset-fix-2.patch added to -mm tree Paul Jackson
2006-03-01  2:36   ` Andrew Morton
2006-03-01  3:45     ` Paul Jackson
2006-03-01  4:10       ` Paul Jackson
2006-03-01  5:05         ` Eric W. Biederman
2006-03-01  5:25           ` Paul Jackson
2006-03-01  6:11             ` Eric W. Biederman
2006-03-01  6:15               ` Eric W. Biederman
2006-03-01  7:20             ` [PATCH] proc: Reference couting fix Eric W. Biederman
2006-03-01  7:26             ` [PATCH] proc: task_mmu bug fix Eric W. Biederman
2006-03-01  7:46               ` Andrew Morton
2006-03-01 12:49                 ` Eric W. Biederman
2006-03-01 13:14                   ` Hugh Dickins
2006-03-01 13:15                   ` Rafael J. Wysocki
2006-03-01 18:33                 ` Paul Jackson
2006-03-01  7:48             ` + proc-dont-lock-task_structs-indefinitely-cpuset-fix-2.patch added to -mm tree Paul Jackson
2006-03-01  8:26               ` Andrew Morton
2006-03-01  8:39                 ` Paul Jackson
2006-03-01  9:53                 ` Paul Jackson
2006-03-01 10:02                   ` Andrew Morton
2006-03-01 10:14                     ` Paul Jackson
2006-03-01 10:11                   ` Paul Jackson
2006-03-01 10:31                     ` Paul Jackson
2006-03-01 19:21                   ` Greg KH
2006-03-01 20:58                     ` Paul Jackson
2006-03-01 21:30                       ` Greg KH
2006-03-01 22:26                         ` Andrew Morton
2006-03-01 22:50                           ` Greg KH
2006-03-01 23:20                             ` Paul Jackson
2006-03-01 23:40                               ` Andrew Morton
2006-03-02  0:10                                 ` Paul Jackson
2006-03-02  0:35                                   ` Paul Jackson
2006-03-01 23:10                           ` Paul Jackson
2006-03-01 23:40                             ` Paul Jackson
2006-03-02  4:20                               ` Andrew Morton
2006-03-02  6:14                                 ` Paul Jackson
2006-03-02  7:42                                   ` Andrew Morton [this message]
2006-03-02 19:12                                     ` Paul Jackson
2006-03-02 21:52                                       ` Andrew Morton
2006-03-03  6:33                                         ` Paul Jackson
2006-03-03  6:44                                           ` Andrew Morton
2006-03-01  4:31       ` Eric W. Biederman
2006-03-01  4:58         ` Paul Jackson

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