Re: 2.2.14/APM: Thinkpad 560 can suspend/hibernate only once

From: David Hinds (
Date: Tue Jun 20 2000 - 13:34:25 EST

On Tue, Jun 20, 2000 at 11:13:26AM -0700, Sanjoy Mahajan wrote:
> > I think it is an APM issue on particular Thinkpads.
> I tried some more tests. In single-user mode, it suspends and resumes
> fine. If I start up pcmcia ("/etc/rc.d/init.d/pcmcia start"), still
> no problem. Same after I stop pcmcia. But then I restart pcmcia,
> load _and unload_ the modem card, stop pcmcia; now, no luck with
> suspend ("apm: suspend: unable to enter requested state").

The APM BIOS must be examining the status of the CardBus bridge, and
seeing something that it can't handle.

I'd try looking at the register dumps in /proc/bus/pccard/*/* after
starting PCMCIA, then after inserting and ejecting the modem card.

-- Dave

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