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From: Mikael Abrahamsson <swmike@swm.pp.se>
To: linux-mm@kvack.org
Subject: copying files stops after a while in laptop mode on 2.6.38
Date: Tue, 23 Aug 2011 08:51:48 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.00.1108230822480.4709@uplift.swm.pp.se> (raw)


Hi.

I'm running ubuntu 11.04 on my thinkpad X200 laptop with their 2.6.38 
kernel. Whenever I copy a lot of data to my harddrive without the power 
connected (cryptsetup:ed drive and ubuntus eCryptfs for home directory 
(yeah I know, that's two levels of encryption))) the copy stops after 
500-1000 megabyte. It'll just sit there, nothing more happening, my 
firefox goes into blocking (greys out). If I then issue a "sync" command 
in the terminal, things resume just as normal, until another 500-1000 
megabyte has been copied. This doesn't happen if I have the power cable 
connected.

I interpret this as when the laptop is in laptop-mode, it doesn't flush 
data to drive when memory is "full". Is this a known problem with 2.6.38 
kernel, or might it be something ubuntu specific? I find it strange that 
not more people are hit by this...

Any thoughts?

-- 
Mikael Abrahamsson    email: swmike@swm.pp.se

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             reply	other threads:[~2011-08-23  6:51 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-23  6:51 Mikael Abrahamsson [this message]
2011-09-03  6:47 ` copying files stops after a while in laptop mode on 2.6.38 Mikael Abrahamsson

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