Re: Double suspend to ram doesn't work on acer aspire 5720g

["Rafael J. Wysocki" <rjw@sisk.pl>]

On Sunday, 15 of June 2008, Maxim Levitsky wrote:
> Hi,

Hi,

> If I suspend system to ram twice, the system hangs on resume.
> 
> Otherwise system suspends fine.
> 
> I can do the following:
> 
> suspend to disk
> suspend to disk
> suspend to ram
> suspend to disk
> suspend to ram
> suspend to disk
> suspend to disk.
> 
> but not this:
> 
> suspend to ram
> suspend to ram.
> <-> hang
> 
> 
> Before I start digging deeper, are there patches floating around that 
> could fix this issue?
> 
> (I use latest linus -git kernel)
> 
> (I tried to use minimal system and got same results)
> 
> Have to confess that I use nvidia binary drivers, and without them
> video doesn't resume, but I did test this issue without them, and
> got same results.
> 
> (after first suspend to ram video didn't resume, but I was able to 
> control the system with keyboard, and I then put it to sleep again, and 
> on resume, system didn't respond.)

Hard to say what the problem is.  If it's a regression (ie. you have a kernel
that works 100% of the time) and is readily reproducible, bisection may help
find the patch that broke it.

Thanks,
Rafael