linux-kernel - Re: 2.6.20-rc3 regression: suspend to RAM broken on Mac mini Core Duo

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Message-ID: <3877989d0701090651m84d7f41v5d06e1638a7eb31d@mail.gmail.com>
Date:	Tue, 9 Jan 2007 22:51:04 +0800
From:	"Luming Yu" <luming.yu@...il.com>
To:	"Adrian Bunk" <bunk@...sta.de>,
	"Lee Revell" <rlrevell@...-job.com>, linux-kernel@...r.kernel.org
Subject: Re: 2.6.20-rc3 regression: suspend to RAM broken on Mac mini Core Duo

> > > It didn't. It looks like it is unusable, becuase it isn't reliable in
> > > 2.6.20-rc3.
> >
> > Is this issue still present in -rc4?
>
> I used 2.6.20-rc4 in single user mode, and applied 2 patches from
> netdev to get wake on LAN support. This way I was able to set up an
> automatic suspend/resume loop. It looked good, but after e.g. 20
> minutes, the resume hang. So it is reproduceable with 2.6.20-rc4.
> Unfortunately, I can not test the same with 2.6.18, as the wake on LAN
> patches need 2.6.20-rc.

Hmm, do you mean this is the first time of this kind of testing?
Is this issue related to LAN driver?
I guess you should be able to set up an automatic suspend/resume loop
with /proc/acpi/alarm, and test similar with 2.6.18.

--Luming
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