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From: Manfred Spraul <manfred@colorfullife.com>
To: Nicolas <linux@1g6.biz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: oops mm/slab.c:1563  on 2.5.68
Date: Tue, 29 Apr 2003 22:46:06 +0200	[thread overview]
Message-ID: <3EAEE48E.8030307@colorfullife.com> (raw)

Nicolas wrote:

>Apr 29 17:37:00 hal9003 kernel: drivers/usb/media/ov511.c: Invalid channel 
>(-1)
>Apr 29 17:37:31 hal9003 last message repeated 123 times
>Apr 29 17:37:52 hal9003 last message repeated 89 times
>Apr 29 17:37:53 hal9003 kernel: ------------[ cut here ]------------
>Apr 29 17:37:53 hal9003 kernel: kernel BUG at mm/slab.c:1563!
>
You are running with slab debugging enabled, and the internal self test 
noticed a corrupted object list.

>Apr 29 17:37:53 hal9003 kernel: invalid operand: 0000 [#1]
>Apr 29 17:37:53 hal9003 kernel: CPU:    0
>Apr 29 17:37:53 hal9003 kernel: EIP:    0060:[cache_alloc_refill+533/616]    
>
The error is noticed during allocation

>Apr 29 17:37:53 hal9003 kernel:  [copy_mm+456/864] copy_mm+0x1c8/0x360
>  
>
of an mm_struct object.

It looks like a double-free. It was not detected during free, because 
mm_struct's are larger than 512 bytes, and thus not redzoned.

Is this the first oops that occured since reboot, or were there previous 
messages?

Could you provide further details about your system?
--
    Manfred


             reply	other threads:[~2003-04-29 20:33 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-29 20:46 Manfred Spraul [this message]
  -- strict thread matches above, loose matches on Subject: below --
2003-04-27 20:44 oops ide-scsi 2.5.68 Nicolas
2003-04-29 16:19 ` oops mm/slab.c:1563 on 2.5.68 Nicolas

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