[Adding Rafael]
On Mon, Jan 11, 2016 at 4:55 PM, Tony Lindgren <tony@xxxxxxxxxxx> wrote:
>> I see 6 out of 24 arm qemu tests failing in next-20160111. Bisect points
>> to commit 989561de9b51 ("PM / Domains: add setter for dev.pm_domain").
>> Failures are silent - there is no output on the console.
>> Affected tests are
>>
>> arm:beagle:multi_v7_defconfig:omap3-beagle
>> arm:beaglexm:multi_v7_defconfig:omap3-beagle-xm
>> arm:overo:multi_v7_defconfig:omap3-overo-tobi
>> arm:beagle:omap2plus_defconfig:omap3-beagle
>> arm:beaglexm:omap2plus_defconfig:omap3-beagle-xm
>> arm:overo:omap2plus_defconfig:omap3-overo-tobi
>>
>> For details please see the 'next' column at http://server.roeck-us.net:8010/builders.
>>
>> Reverting the offending commit fixes the problems.
>>
>> Please let me know if there is anything I can do to help tracking down the problem.
>
> The following fixes the booting, but I wonder if it's a
> proper fix?
>
> --- a/drivers/base/power/common.c
> +++ b/drivers/base/power/common.c
> @@ -145,9 +145,10 @@ void dev_pm_domain_set(struct device *dev, struct dev_pm_domain *pd)
> {
> if (dev->pm_domain == pd)
> return;
> -
> - WARN(device_is_bound(dev),
> - "PM domains can only be changed for unbound devices\n");
> + if (device_is_registered(dev)) {
> + WARN(device_is_bound(dev),
> + "PM domains can only be changed for unbound devices\n");
> + }
> dev->pm_domain = pd;
> device_pm_check_callbacks(dev);
Commit 989561de9b51 ("PM / Domains: add setter for dev.pm_domain")
causes issues for me after doing a 'reboot' command.
Rafael proposed a patch which fixed the 'reboot' problem:
http://www.spinics.net/lists/arm-kernel/msg473562.html
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