Comment 7 for bug 880423

This looks like one of the problems we're trying to solve in Ubuntu.

The wlan driver module needs to be unloaded on suspend and then
reloaded on resume

On Wed, Nov 30, 2011 at 4:12 AM, Botao Sun <email address hidden> wrote:
> Also Observed on the latest workable build on 2.3.7 branch, build 53:
>
> https://android-build.linaro.org/builds/~linaro-android/staging-
> origen/#build=53
>
> System hangs after entered the suspend mode:
> ###########################################################
> # <6>request_suspend_state: sleep (0->3) at 338465536312 (2000-01-01 00:05:36.5)
> request_suspend_state: sleep (0->3) at 338465536312 (2000-01-01 00:05:36.564860)
> <6>PM: Syncing filesystems ... PM: Syncing filesystems ... done.
> done.
> <7>PM: Preparing system for mem sleep
> Freezing user space processes ... Freezing user space processes ... (elapsed 0..
> done.
> Freezing remaining freezable tasks ... Freezing remaining freezable tasks ... (.
>
> <7>PM: Entering mem sleep
> Suspending console(s) (use no_console_suspend to debug)
> Suspending console(s) (use no_console_suspend to debug)
> <3>pm_op(): platform_pm_suspend+0x0/0x6c returns -16
> <3>PM: Device alarm failed to suspend: error -16
> <3>PM: Some devices failed to suspend
> <6>PM: resume of devices complete after 0.140 msecs
> pm_op(): platform_pm_suspend+0x0/0x6c returns -16
> PM: Device alarm failed to suspend: error -16
> PM: Some devices failed to suspend
> PM: resume of devices complete after 0.140 msecs
> <7>PM: Finishing wakeup.
> Restarting tasks ... Restarting tasks ... done.
> done.
> <6>suspend: exit suspend, ret = -16 (2000-01-01 00:05:40.012334303 UTC)
> suspend: exit suspend, ret = -16 (2000-01-01 00:05:40.012334303 UTC)
> <6>PM: Syncing filesystems ... PM: Syncing filesystems ... done.
> done.
> <7>PM: Preparing system for mem sleep
> Freezing user space processes ... Freezing user space processes ... (elapsed 0..
> done.
> Freezing remaining freezable tasks ... Freezing remaining freezable tasks ... (.
>
> <7>PM: Entering mem sleep
> Suspending console(s) (use no_console_suspend to debug)
> Suspending console(s) (use no_console_suspend to debug)
> ###########################################################
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/880423
>
> Title:
>  Suspend does not work on Samsung Origen
>
> Status in Linaro Android:
>  In Progress
> Status in Linaro Samsung Landing Team Project:
>  Fix Released
>
> Bug description:
>  On:
>
>  https://android-build.linaro.org/builds/~linaro-android/staging-
>  origen-11.10-release/#build=5
>
>  I get the failure attached, see the end of the log. I don't see it
>  everytime.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/linaro-android/+bug/880423/+subscriptions
>

--
Angus Ainslie <email address hidden>
Team Lead, Samsung Landing Team