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#1 2015-06-17 20:26:49

bocki
Member
Registered: 2013-05-15
Posts: 7

Lots of RTC interrupts according to PowerTop

I'm currently running into a strange issue with my new Thinkpad X250:
When returning from suspend-to-ram _for the second time_ the RTC is starting to generate lots of interrupts, with powertop listing it as the top cause of wakeups when my laptop is completely idle. This doesn't happen when I boot the kernel with hpet=disable.

Is there any chance to find out what's causing this? (I'd be more than willing to provide debug output, but I have no idea where to start)

This is happening on all current versions of the kernel (4.0.4, 4.0.5, 4.1-rc8), and just for kicks I tested this with the latest install disc as well with the same results (so I can probably rule out a specific application as the issue).

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