Laptop sleep gone bad in Gutsy

[Paul S]

Avi Schwartz said the following on 11/21/2007 12:45 AM:
> Paul S wrote:
>> Avi Schwartz said the following on 11/19/2007 07:29 PM:
>>   
>>> I upgraded my Dell D820 yesterday from Feisty to Gutsy and since the 
>>> upgrade, waking the laptop from a sleep is iffy at best.
>>> With Feisty, waking the laptop from sleep was almost 100% reliable.  
>>> With Gutsy, the chance of the laptop properly waking up is about 50%.  
>>> Sometimes it wakes up and in other times it starts waking and then 
>>> suddenly it powers down.  I can no longer trust putting the laptop to 
>>> sleep which is a shame since it used to work so well.
>>>
>>> Any ideas what should I look for?
>>>     
>> I have very similar experience, and I found that going to sleep by 
>> hitting Alt-F2 and entering the command "sudo pmi action sleep" will 
>> resume better than hitting the sleep button.  I do not understand why, 
>> but it works better here (Dell E1505).
>>
>> HTH
>>   
> Keyboard induced sleep did not solve my problem.
> 
> Do you happen to use the "new" desktop effects?  I cannot prove it yet, 
> but it seems that once I turned the effects off, the laptop wakes up 
> from sleep as it should.  I will give it few more days to see if this is 
> indeed the problem before I file a bug report.  If it is, then it maybe 
> a problem with X Windows or the nvidia driver.

Yes, I also have success with "Desktop Effects" off, but I wanted to be 
able to use them.  So, at least here, the "sudo pmi action suspend" 
continues to work with compiz running.

regards,