On Fri, Nov 03, 2017 at 09:15:00AM +0100, Alessandro Grassi wrote: > Hi Mike, > > Sorry for the delay, I couldn't find enough contiguous spare time to > run the tests in the last few days. > > On Tue, Oct 31, 2017 at 10:30 PM, Mike Larkin <[email protected]> wrote: > > 1. on next boot> , type: > > mach mem =256M > > > > 2. then 'boot' > > > > 3. ZZZ > > This would give me an out of memory error on dmesg, probably because > my X11 setup takes more than 256MB of ram: the system was swapping > when I typed ZZZ. > I tried with 512. > > > > > 4. power up the machine again and do step 1 again that time > > > > > See if that makes any difference. It's telling the kernel to only > > use 256MB RAM. You need to do the same thing in step 4 after restarting > > or it will think the memory size changed and skip un-hibernate. > > Well it resumed (with 512), I tried a few times to hibernate right > after a clean boot and it worked. > > During all the tests I made, it would always resume after the first > hibernation following a complete reboot, but never after the second > one. > > On most of the successful resumes I see "pipe state doesn't match" on > the console, though I don't remember ever seeing it when it resets. > > This last time it didn't reset, but just resumed booting normally > after throwing a few errors about the gpu. > > I could take a photo of the console, that I'm attaching here. > > The only crashes / instabilities I'm experiencing with OpenBSD on this > laptop (e.g. a few times the system froze completely, couldn't even > switch to tty, had to hard reset, no crash dump) feel like they're > related to either a memory fault or a problem in the gpu drivers. > > > [...] > > Also, when you unhibernate your 4GB machine as above, does it sit for some > > time with a black screen after loading the hibernated image or does it > > instantly > > restart after reading it? > > Sits for a few seconds in the black before I see X again, like 2 or 3. > > Thank you > > Alessandro
There seems to be a lot of unrelated information here. Can you summarize please: * when does it work * when does it not work leave out anything about freezes or gpus or unrelated stuff. -ml
