Thread (12 messages) 12 messages, 5 authors, 2012-02-17

Re: hiberante hangs TCP Re: [EXAMPLE CODE] Parasite thread injection and TCP connection hijacking

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From: Tejun Heo <tj@kernel.org>
Date: 2011-11-02 15:10:31
Also in: linux-pm, lkml

Hello,

On Wed, Nov 02, 2011 at 06:44:31PM +0900, MyungJoo Ham wrote:
quoted
Hmmm... sounds like taking down network interfaces before starting
hibernation sequence should be enough, which shouldn't be too
difficult to implement from userland.  Rafael, what do you think?

Thanks.
Um... it seems that the "thaw" callbacks of network interfaces or TCP
should do something on this.

Probably, the "thaw" callbacks should make sure that the TCP
connections are closed?
I don't think it's a good idea to diddle with TCP connections from
that layer.  From what I understand, it seem all we need is plugging
tx/rx while preparing for hibernation.  That shouldn't be too
difficult.

Thanks.

-- 
tejun
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