Re: Sleep/Lenovo SL410 fails again after csup & clang

On Tue, 19 Oct 2010 18:15:54 -0700
Matt <sendtomatt_at_gmail.com> wrote:

>   My experience with a sleeping freebsd laptop has been shortlived!
> 
> Today I rebuilt world using clang & this morning's csup current.
> Clang build went just swimmingly.
> 
> Unthinkingly, I closed my laptop lid and put it in my case.
> When I got to my house, it was roasting with fans spinning and sleep 
> light flashing. No damage, thankfully.
> 
> Low and behold, hw.pci.do_power_resume=0 no longer lets my laptop sleep!
> 
> I had recently fiddled with powerd, but problem persisted after 
> reverting to previous configuration of associated sysctls etc.
> 
> Interestingly, sleep bounce now fails with a hard freeze, which it never 
> has in the past.
> 
> Verbose output shows the wifi then re0 network interfaces going from 
> D0->D3 as last living output.
> 
> Please note problem persists regardless of user, X running, sleep_delay 
> sysctl, do_power_resume, do_power_nodriver, powerd running/not running.
> 
> Without sleep bounce, problem is characterized by flashing sleep light 
> and spinning fans (CPU temperature is high).
> 
> No devices added or removed, was sleeping this morning before 
> buildworld. Is it worth rebuilding with gcc? Or a content change and not 
> a compiler issue? Any major pci changes lately maybe?
> 
> Matt
> sendtomatt_at_gmail.com
> 
> Not sure where to go from here...
> If it is helpful, I can provide any required logs, verbose dmesg etc.
> 

Did you _not_ have this problem when compiling with the base C compiler
(gcc)?  Not really clear from your description.

--
Gary Jennejohn