linux-kernel - Re: Bug#695182: [RFC] Reproducible OOM with just a few sleeps

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Message-Id: <201301310907.r0V974j9017335@como.maths.usyd.edu.au>
Date:	Thu, 31 Jan 2013 20:07:04 +1100
From:	paul.szabo@...ney.edu.au
To:	695182@...s.debian.org, ben@...adent.org.uk
Cc:	dave@...ux.vnet.ibm.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, pavel@....cz
Subject: Re: Bug#695182: [RFC] Reproducible OOM with just a few sleeps

Dear Ben,

Thanks for the repeated explanations.

> PAE was a stop-gap ...
> ... [PAE] completely untenable.

Is this a good time to withdraw PAE, to tell the world that it does not
work? Maybe you should have had such comments in the code.

Seems that amd64 now works "somewhat": on Debian the linux-image package
is tricky to install, and linux-headers is even harder. Is there work
being done to make this smoother?

---

I am still not convinced by the "lowmem starvation" explanation: because
then PAE should have worked fine on my 3GB machine; maybe I should also
try PAE on my 512MB laptop. - Though, what do I know, have not yet found
the buggy line of code I believe is lurking there...

Thanks, Paul

Paul Szabo   psz@...hs.usyd.edu.au   http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics   University of Sydney    Australia
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