On Fri, 2011-09-30 at 22:22 +0200, Rafael J. Wysocki wrote: > On Friday, September 30, 2011, Zan Lynx wrote: > > On Thu, 2011-09-29 at 14:51 -0600, Zan Lynx wrote: > > > After being annoyed that the latest Fedora 2.6.40 (aka 3.0 something) > > > kernels would not suspend/resume on my laptop I followed a Ubuntu forum > > > suggestion to use acpi=nonvs. This worked, or at least it is working > > > today with Fedora 15's 2.6.40.4-5.fc15.x86_64. > > > > > > The system is also booting via UEFI if that makes any difference. > > > > > > I understand that there is a no-NVS blacklist in the kernel. Should the > > > Samsung Series 9 be added to this list? Or could it be a different > > > suspend/resume problem entirely? > > > > Please ignore this about nonvs. nonvs has nothing to do with the > > suspend/resume problem on this laptop. > > > > Instead it seems to involve reboots, which is crazy. From a cold > > power-on start, suspend resume will always fail. But if the laptop is > > rebooted first, suspend and resume appear to work. What the heck? I have > > no clue how to debug this. > > > > So now it appears that everything I ever tried to fix this only seemed > > to work because I rebooted after changing GRUB or module options. > > What graphics is there in the system? It is the Intel i915 driver. It is an Intel i5-2537M system with the integrated video on the CPU. lspci shows it as: 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller]) -- Knowledge Is Power Power Corrupts Study Hard Be Evil