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Date: Mon, 13 Nov 2006 20:34:43 +0100
From: Martin Lorenz <martin@lorenz.eu.org>
To: linux-thinkpad@linux-thinkpad.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [ltp] Re: paging request BUG in 2.6.19-rc5 on resume - X60s
Message-ID: <20061113193443.GF7942@gimli>
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References: <20061113081147.GB5289@gimli> <1163426119.5871.26.camel@Homer.simpson.net>
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	Content preview:  On Mon, Nov 13, 2006 at 02:55:18PM +0100, Mike Galbraith
	wrote: > > Per ksymoops, that code is: > 0: ba 03 00 00 00 mov $0x3,%edx
	> 5: e9 ee fc fb ff jmp fffbfcf8 <_EIP+0xfffbfcf8> > a: 83 a0 2c 01 00
	00 b7 andl $0xffffffb7,0x12c(%eax) > 11: e9 00 00 00 00 jmp 16
	<_EIP+0x16> > > There is no such andl with an offset of 0x12c and that
	mask (I_LOCK| > I_NEW?) anywhere in my kernel or modules. How about
	yours? [...] 
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On Mon, Nov 13, 2006 at 02:55:18PM +0100, Mike Galbraith wrote:
> 
> Per ksymoops, that code is:
>    0:   ba 03 00 00 00            mov    $0x3,%edx
>    5:   e9 ee fc fb ff            jmp    fffbfcf8 <_EIP+0xfffbfcf8>
>    a:   83 a0 2c 01 00 00 b7      andl   $0xffffffb7,0x12c(%eax)
>   11:   e9 00 00 00 00            jmp    16 <_EIP+0x16>
> 
> There is no such andl with an offset of 0x12c and that mask (I_LOCK|
> I_NEW?) anywhere in my kernel or modules.  How about yours?

$ objdump -D vmlinux | grep -5 'andl   $0xffffffb7,0x12c'
c016ff87:       05 2c 01 00 00          add    $0x12c,%eax
c016ff8c:       ba 03 00 00 00          mov    $0x3,%edx
c016ff91:       e9 ee fc fb ff          jmp    c012fc84 <wake_up_bit>

c016ff96 <unlock_new_inode>:
c016ff96:       83 a0 2c 01 00 00 b7    andl   $0xffffffb7,0x12c(%eax)
c016ff9d:       e9 e0 ff ff ff          jmp    c016ff82 <wake_up_inode>

c016ffa2 <inode_wait>:
c016ffa2:       e8 d1 3e 17 00          call   c02e3e78 <schedule>
c016ffa7:       31 c0                   xor    %eax,%eax

gruss
  mlo
--
Dipl.-Ing. Martin Lorenz

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