On Thu, Oct 07, 2021 at 12:09:24PM +0200, nmanca wrote: > Dear list, > > I installed a debian 11 system on a Surface Pro 4 following the instruction > from the https://github.com/linux-surface/linux-surface, I'm now thus using > the "-surface" kernel version. > > Everything work quite ok, but I'm having problems with the suspend. > > If the Surface is on battery power, suspend works. > If it's on battery power, it does not wake up opening the cover or pressing > the power button. I have to force a hard shutdown by pressing the power > button. > > I don't know if the problem is "real" or maybe is just the screen that does > not recover. However, the diffrence between power plugged/unplugged is > strange and I don't know how to debug it. I inspected the dmesg, the only > difference is that when it is on battery, the last message after the failing > wake up is: > > PM: suspend entry (s2idle) > > This is absent if on battery, when the wake up works. the rest is the same, > apparently. > > Any idea? > > Thanks, > Nicola >
Hi Nicola, This is very new hardware: the github project is still under active development. Since you're using the -surface kernel, it's possibly we can't help. We'll help where we can but this is probably a kernel/hardware combination we don't have to hand. All the best, Andy Cater