> On Mon, Jan 09, 2017 at 07:17:17PM -0500, David Airlie wrote: > > just FYI, but W541 with Fedora 25 and Linux 4.10-rc3 + drm-next and the efi > > fix (you might want to motivate that fix a bit harder), seems to be working > > well. > > The efi fix is on the efi.git next branch without stable designation, > i.e. slated for 4.11 not 4.10, and Matt Fleming usually sends his pull > to Ingo between rc4 and rc5. > > > > I can suspend/resume, and the nvidia seems to go off. > > > > [ 411.799035] nouveau 0000:01:00.0: DRM: suspending console... > > [ 411.799059] nouveau 0000:01:00.0: DRM: suspending display... > > [ 411.799119] nouveau 0000:01:00.0: DRM: evicting buffers... > > [ 411.799125] nouveau 0000:01:00.0: DRM: waiting for kernel channels to go > > idle... > > [ 411.799176] nouveau 0000:01:00.0: DRM: suspending client object trees... > > [ 411.805616] nouveau 0000:01:00.0: DRM: suspending kernel object tree... > > [ 413.217090] device_pm-0235 device_set_power : Device [VID1] > > transitioned to D3hot > > [ 413.217099] device_pm-0124 device_get_power : Device [VID1] power > > state is (unknown) > > [ 413.230201] thinkpad_acpi: EC reports that Thermal Table has changed > > [ 413.351497] power-0275 __acpi_power_off : Power resource [NVP3] > > turned off > > [ 413.351507] device_pm-0235 device_set_power : Device [PEG] > > transitioned to D3hot > > [ 413.351526] power-0189 power_get_state : Resource [NVP3] is > > off > > [ 413.351530] power-0219 power_get_list_state : Resource list is off > > [ 413.351542] power-0189 power_get_state : Resource [NVP2] is on > > [ 413.351545] power-0219 power_get_list_state : Resource list is on > > [ 413.351548] device_pm-0124 device_get_power : Device [PEG] power > > state is D2 > > > > That is with some acpi debugging enabled (though I'm not quite sure why D2 > > is where it ends up). > > The ACPI D2 state seems fishy indeed, could you post the log for a > runtime resume as well? It would be interesting to see how it gets > out of this incorrect power state. Also, what is the firmware version > that you're using? If it's not GNET80WW (2.28), could you attach an > acpidump to the bugzilla entry? > > https://bugzilla.kernel.org/show_bug.cgi?id=190861 > Okay I found a possible race and sent patches to fix it dri-devel https://patchwork.freedesktop.org/series/17731/ also https://cgit.freedesktop.org/~airlied/linux/log/?h=drm-next-wip-fix-runtime-race here with the efi patch also. It might just be that enabling runtime PM makes things actually suspend/resume and we can hit this, or else I've just found something else in the area. Dave. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
