Re: another data point (was Re: acpi_vbios_reset hangs while vbetool works (Was: sporadic failure to wakeup from S3))

[Jukka Ruohonen <jruohonen%iki.fi@localhost>]

On Thu, Sep 08, 2011 at 09:21:45PM +0100, David Brownlee wrote:
> It could be a race condition somewhere, which are almost always a huge
> quantity of fun (FSVO fun).

Indeed. Suspend/resume issues are often extremely difficult to debug. If it
is related to a driver, try to disable as many devices as is possible and
try to reproduce.

> On Thu, Sep 08, 2011 at 09:21:45PM +0100, David Brownlee wrote:
> If you switch away from X before suspend/resume does it affect
> matters, similarly if its on battery/mains.

The status of the AC adapter should have no effect (but never say never when 
BIOS/ACPI might be involved).

- Jukka.