On Wed, Nov 2, 2011 at 10:39, MyungJoo Ham <myungjoo.ham@xxxxxxxxx> wrote: > [...] > When core is used for pm_test, the platform_ops's enter() is not > called. Thus, you are not actually testing the real suspend-to-RAM, > you are testing everything suspend-related materials except for the > real suspend-resume mechanism for the CPU. > > I'm not familiar with x86's ACPI; however, this looks like a > resume-related problem. > Probably, at the BIOS (or any other pre-BIOS stage?), the CPU cannot > read the "the system has been suspended-to-RAM" message? > or the resume routine of kernel is failing and the system resets or > jumps to BIOS? > , which are some issues we've experienced with ARM devices and its bootloaders. > > You'll probably need to examine the ACPI's suspend-to-RAM related bits > or data structure at the platform_ops's enter() callback. And see if > anything is corrupted or mis-configured. I made some progress: with "nolapic" I'm able to get back to my desktop, however if I make any fs access (like running an executable), the system just locks. At least it doesn't reboot so it's an improvement. I'll try so investigate further. -- Damien Thebault _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/linux-pm