Confirmed: BUG its not present on BIOS Revision: 1.16.
# sudo dmidecode
BIOS Information
Vendor: LENOVO
Version: J9ET37WW (1.16 )
Release Date: 11/27/2013
Address: 0xE0000
Runtime Size: 128 kB
ROM Size: 16384 kB
Characteristics:
PCI is supported
PNP is supported
BIOS is upgradeable
BIOS shadowing is allowed
Boot from CD is supported
Selectable boot is supported
ACPI is supported
USB legacy is supported
BIOS boot specification is supported
Targeted content distribution is supported
UEFI is supported
BIOS Revision: 1.16
Firmware Revision: 1.16
now... its there a way to safely downgrade? :)
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https://bugs.launchpad.net/bugs/1331077
Title:
[Lenovo ThinkPad Edge E540] suspend/resume failure
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