* Guenter Roeck <linux@xxxxxxxxxxxx> [160111 15:40]:
> On 01/11/2016 02:49 PM, Rafael J. Wysocki wrote:
> >On Monday, January 11, 2016 12:04:50 PM Guenter Roeck wrote:
> >>On Mon, Jan 11, 2016 at 10:55:00AM -0800, Tony Lindgren wrote:
> >>>* Guenter Roeck <linux@xxxxxxxxxxxx> [160111 09:51]:
> >>>>Hi,
> >>>>
> >>>>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
> >>
> >>Yes, it does.
> >>
> >>Tested-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> >>
> >>>proper fix?
> >>>
> >>That I don't know.
> >
> >If I'm not mistaken, what happens is that device_is_bound() tries to
> >dereference dev->p which is NULL. If that's the case, the appended one
> >should help too.
> >
> >Can you please check?
> >
> >---
> > drivers/base/dd.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> >Index: linux-pm/drivers/base/dd.c
> >===================================================================
> >--- linux-pm.orig/drivers/base/dd.c
> >+++ linux-pm/drivers/base/dd.c
> >@@ -234,7 +234,7 @@ late_initcall(deferred_probe_initcall);
> > */
> > bool device_is_bound(struct device *dev)
> > {
> >- return klist_node_attached(&dev->p->knode_driver);
> >+ return dev->p && klist_node_attached(&dev->p->knode_driver);
>
> Yes, that fixes the problem as well.
Yeah works for me too:
Tested-by: Tony Lindgren <tony@xxxxxxxxxxx>
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