Intel Baytrail & Cherrytrail Systems Can Now Correctly Hibernate Again Under Linux
Written by Michael Larabel in Intel on 6 May 2019 at 07:36 AM EDT. 6 Comments
INTEL --
Baytrail era systems have been a bit notorious on Linux but at least one recent regression is now resolved that for the past few kernel releases had broke hibernation support for Intel Baytrail and Cherrytrail SoC systems.

Baytrail systems have seen a number of issues under Linux like random freezing on newer kernels, different peripherals not being punctually supported, some Bay Trail tablets having UEFI issues, etc. The latest Baytrail (and Cherrytrail) problem has been hibernation not working correctly since Linux 4.19~4.20.

There's been bug reports for months while now with Linux 5.2 a fix is in place and will presumably be back-ported to the recent kernel series. Red Hat's Hans de Goede addressed the regression that stems from some changes to the ACPI LPSS functions called.

The fix is in the ACPI updates for the Linux 5.2 merge window if you are a Baytrail/Cherrytrail owner looking for a fix right away.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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