Re: suspend to ram problem

[matthieu castet <castet.matthieu@free.fr>]

matthieu castet wrote:
> Hi,
> 
> I am trying to make work suspend to ram on a MSI MS-6380E with a 2.6.23 
> kernel.
> 
> Standby mode works.
> S2ram suspend seems to work : the computer turn off and I can wake up it 
> with the keyboard.
> 
> But when the computer wakeup, I see the video card POST on the screen, 
> but after that the computer hangs : black screen, no working numlock.
> 
> I tried to compile PM_TRACE, but it give no result. So this means the 
> resume hang very early.
> 
> What can I do to debug this ?
>
I play with the s2_beep feature and :
- echo 4 > /proc/sys/kernel/acpi_video_flags make the computer beep
- echo 4 > /proc/sys/kernel/acpi_video_flags make the computer not beep
- adding a beep in bogus_real_magic, make the computer not beep

So the hang seems located in wakeup_start.


Matthieu