lkml.org 
[lkml]   [2008]   [Feb]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    SubjectRe: [Suspend-devel] 2.6.25-rc2 System no longer powers off after suspend-to-disk. Screen becomes green.
    Date
    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@intel.com>
    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@intel.com>
    > > >
    > > > 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


    \
     
     \ /
      Last update: 2008-02-21 19:53    [W:0.023 / U:119.228 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site