I confirm that disabling USB3.0 in my BIOS allows my Thinkpad E440 to suspend/resume successfully again.
uname -a
Linux pumbaa 3.13.0-35-generic #62-Ubuntu SMP Fri Aug 15 01:58:42 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Handle 0x000C, DMI type 1, 27 bytes
System Information
Manufacturer: LENOVO
Product Name: 20C5CTO1WW
Version: ThinkPad Edge E440
SKU Number: LENOVO_MT_20C5_BU_Think_FM_ThinkPad Edge E440
Family: ThinkPad Edge E440
Handle 0x0030, DMI type 0, 24 bytes
BIOS Information
Vendor: LENOVO
Version: J9ET88WW (2.08 )
Release Date: 05/20/2014
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: 2.8
Firmware Revision: 2.8
I confirm that disabling USB3.0 in my BIOS allows my Thinkpad E440 to suspend/resume successfully again.
uname -a
Linux pumbaa 3.13.0-35-generic #62-Ubuntu SMP Fri Aug 15 01:58:42 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
Handle 0x000C, DMI type 1, 27 bytes MT_20C5_ BU_Think_ FM_ThinkPad Edge E440
System Information
Manufacturer: LENOVO
Product Name: 20C5CTO1WW
Version: ThinkPad Edge E440
SKU Number: LENOVO_
Family: ThinkPad Edge E440
Handle 0x0030, DMI type 0, 24 bytes
BIOS Information
Vendor: LENOVO
Version: J9ET88WW (2.08 )
Release Date: 05/20/2014
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: 2.8
Firmware Revision: 2.8