Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: 4.1-rc7, thinkpad X60: platform mode hibernation does very wrongthing | Date | Wed, 17 Jun 2015 15:14:02 +0200 |
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On Wednesday, June 17, 2015 02:33:33 PM Pavel Machek wrote: > Hi! > > > On Wednesday, June 17, 2015 08:19:37 PM linus wrote: > > > there might be something wrong with driver, can you provide serial log with no_console_suspend? or using rtctrace > > > > > Who are you? > > The hibernation image is stored successfully, that means drivers work ok.
Well, not entirely necessarily. We execute the ->poweroff callback for all of them in the last step, maybe one of these hangs.
You can verify that by adding a reboot trigger after the dpm_suspend_end() invocation in hibernation_platform_enter(). If it triggers 100% of the time, drivers are OK.
> Serial console... might be fun to set up, but might help, right. > > > > Hi! > > > > > > On thinkpad X60, if I hibernate in platform mode, it does not power > > > down, but I get black screen, moon icon blinking, and CPU fan running > > > (CPU probably too). > > > > > > I can hold the power button down to force powerdown... if I notice > > > what is going on before the battery is empty. > > > > > > Any ideas what could be wrong there? > > > > Not right away. > > > > Have you tried any previous 4.1-rc kernels? > > Yes, and it was broken there, too. It is possible that 4.0 is broken, > too, I did not use hibernation for some time. > > 3.14 kernel works ok. I'm trying v3.19 now.
I see.
OK, it would be good to narrow down the time frame when it broke.
Thanks, Rafael
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