On Thursday, February 21, 2008 8:27 am Rafael J. Wysocki wrote: > On Thursday, 21 of February 2008, Jeff Chua wrote: > > On Thu, Feb 21, 2008 at 8:39 AM, Jesse Barnes <jesse.barnes@xxxxxxxxx> wrote: > > > On Wednesday, February 20, 2008 4:35 pm Jeff Chua wrote: > > > > On Thu, Feb 21, 2008 at 5:37 AM, Jesse Barnes > > > > <jesse.barnes@xxxxxxxxx> > > > > > > wrote: > > > > > Ok, can you give this patch a try with the 'platform' method? It > > > > > should at least tell us what ACPI would like the device to do at > > > > > suspend time, but it probably won't fix the hang. > > > > It says "calling pci_set_power_state with 3". Then after all then it > > still hangs, and then resume with Mr Green. > > > > PM: Syncing filesystems ... done. > > Freezing user space processes ... (elapsed 0.00 seconds) done. > > Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done. > > PM: Shrinking memory... ^H-^Hdone (0 pages freed) > > PM: Freed 0 kbytes in 0.20 seconds (0.00 MB/s) > > ACPI: Preparing to enter system sleep state S4 > > Suspending console(s) > > sd 0:0:0:0: [sda] Synchronizing SCSI cache > > drm_sysfs_suspend > > ACPI: PCI interrupt for device 0000:00:02.0 disabled > > calling pci_set_power_state with 3 > > So it returns the right value. > > Jeff, Jesse, please check one thing for me. > > Please boot 2.6.25-rc2 (or better, the current head of the Linus' tree) > with no_console_suspend and try to do the following: > > # echo 8 > /proc/sys/kernel/printk > # echo core > /sys/power/pm_test > # echo disk > /sys/power/state > > (that will run a test of the freeze/unfreeze code without creating the > image) and then That comes back for me, without creating the green screen. There's a long delay between it saying "entering S4" and actually resuming back to my console though. > # echo mem > /sys/power/state > > (that will run a test of the suspend/resume code without actually > suspending). > > I'd like to know if that works. This also works (after doing the echo disk > ...) above. There's still a delay between "entering S3" and the resume to my console though. Jesse - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html