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Date: Sat, 08 Mar 2003 18:51:27 +0000
From: walt <wa1ter@myrealbox.com>
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To: linux-kernel@vger.kernel.org
Subject: Re: 2.4.21-pre5-ac2:  kernel oops with "swapoff -a"
References: <fa.hhhab3c.11n83hg@ifi.uio.no> <fa.fk1qpc0.s4022c@ifi.uio.no>
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walt wrote:
> Alan Cox wrote:
> 
>> On Sat, 2003-03-08 at 11:07, walt wrote:
>>
>>> When I do "swapoff -a" I still see the kernel oops that began with 
>>> -pre4-ac7
>>> and has propagated to every 'ac' kernel since then.
> 
> 
>> Can you send me an strace swapoff -a ?


> swapoff("/dev/hda10")                   = -1 EINVAL (Invalid argument)
> read(3, "", 4096)                       = 0
> _exit(0)                                = ?


On further investigation I find that "swapoff <anyPartition>" will produce
the same oops and segfault in /sbin/swapoff, whereas if I supply a totally
bogus argument like 'swapoff xyz' I get an appropriate error message
instead of the oops:

swapoff("xyz")                          = -1 ENOENT (No such file or directory)
write(2, "swapoff: xyz: No such file or di"..., 40swapoff: xyz: No such file or 
directory
) = 40
_exit(-1)                               = ?


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