Bug#494913: Suspend-to-RAM resume fails after undocking

[Eric Price <ecprice@MIT.EDU>]

On 2009-08-15 20:05 +0200, Moritz Muehlenhoff wrote:
> On Tue, Aug 12, 2008 at 09:44:20PM -0400, Eric Price wrote:
> > Package: acpi-support
> > Version: 0.109-5
> > 
> > My suspend-to-RAM works reliably most of the time, but always fails on
> > resuming the first sleep after I remove my laptop from its dock.  The
> > sleep icon switches to the battery icon, but the screen remains black
> > and doesn't respond to anything other than a hard shutdown.  Nothing
> > is logged to syslog during the resume; how can I help debug this?
> > 
> > This happens with all the SUSPEND_METHODS in
> > /etc/default/acpi-support.
> > 
> > I'm using Lenny on a Thinkpad X60s.
> 
> Does this error still occur with more recent kernel versions?

It still happens in 2.6.29-bpo.2-686.

Eric