Re: IBM T22/APM suspend does not work with yenta_socket module loadedon 126.96.36.199
From: Karel Gardas
Date: Thu Aug 19 2004 - 04:00:06 EST
On Thu, 19 Aug 2004, Russell King wrote:
> On Thu, Aug 19, 2004 at 10:16:04AM +0200, Karel Gardas wrote:
> > I've found that APM suspend is not working on my IBM T22 properly, when
> > cardbus services are loaded. I've identified the problematic piece of code
> > as a yenta_socket module -- when I stop cardmgr and unload this module,
> > suspend starts to work.
> So it doesn't even work with cardmgr stopped and yenta loaded?
Yes, cardmgr stopped and all modules loaded (including yenta) results in
non-functioning suspend. Also I've forgotten to mention that my cardmgr is
> Have you tried removing any cards plugged in to the sockets?
I don't have any cards in any socket.
> You could try grabbing the cbdump program from pcmcia.arm.linux.org.uk
> and trying to identify whether there's any differences in the register
> settings of the Cardbus bridges - between having no yenta module loaded
> and having yenta loaded with the sockets suspended using:
> echo 3 > /sys/class/pcmcia_socket/pcmcia_socket0/device/power/state
> echo 3 > /sys/class/pcmcia_socket/pcmcia_socket1/device/power/state
> (echo 0 to these files to resume the sockets.)
Will try and hopefully report results this week.
Karel Gardas kgardas@xxxxxxxxxxxxxxxxxx
ObjectSecurity Ltd. http://www.objectsecurity.com
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