Messages in this thread | | | Date | Wed, 2 Dec 2015 13:31:38 -0800 | Subject | Re: [REGRESSION] b8b2c7d845 breaks suspend/resume in qemu | From | John Stultz <> |
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On Wed, Dec 2, 2015 at 12:57 PM, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote: > On Wed, Dec 02, 2015 at 12:46:10PM -0800, John Stultz wrote: >> On Wed, Dec 2, 2015 at 12:39 PM, John Stultz <john.stultz@linaro.org> wrote: >> > Hey Uwe, >> > >> > So I recently noticed that my alarmtimer suspend/resume tests >> > (selftests/timers/alartimer-suspend.c) were getting stuck testing w/ >> > 4.4-rc kernels when running under qemu (x86_64). >> > >> > I've bisected this back to: b8b2c7d845 (base/platform: assert that >> > dev_pm_domain callbacks are called unconditionally). >> > >> > I've not yet spent done any further analysis (bisecting it down, after >> > some user-error, ate up my morning). But I wanted to see if there were >> > any initial suggestions for solving this. >> >> Just one other quick note: Reverting this commit against 4.4-rc3 seems >> to work as well. > > There's a proposed patch to resolve this on the mailing list, "Subject: > [PATCH] base/platform: fix panic when probe function is NULL" from > Martin, but I think he's going to send me an updated version before I > forward it on to Linus. > > It should resolve your issue, can you verify that?
Yep. That fix seems to avoid the problem for me.
thanks -john
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