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To: Linus Torvalds <torvalds@osdl.org>
Cc: Dave Airlie <airlied@gmail.com>, Pavel Machek <pavel@ucw.cz>,
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       Len Brown <len.brown@intel.com>
Subject: Re: revert yenta free_irq on suspend
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From: Sanjoy Mahajan <sanjoy@mrao.cam.ac.uk>
Date: 01 Aug 2005 08:01:58 +0100
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> slow and steady progress

The oscillations are indeed discouraging.  For S3 sleep/wake on my TP
600X:

2.6.11.4        : works well (the console was hosed with jittering text, but
                  X restores fine), which hugely improved using my laptop.
2.6.12.3        : ditto

But:

2.6.13-rc3      : goes to sleep but hangs when waking up
      -rc3-mm2  : same
      -rc3-mm3  : same
      -rc4-git3 : same

With those 2.6.13 variants, once it has hung, the power switch will
turn it off, but to turn it on I first have to unplug the power and
remove both batteries.

On the good side, swsusp seems to be improving with later kernel
versions.  No luck with 2.6.11.4; reasonable luck with 2.6.12.3; and
good results with 2.6.13*.

-Sanjoy