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Ranguvar
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Posts: 5
Registered: ‎03-01-2018
Location: US
Views: 35,091

X1 Carbon Gen 6 cannot enter deep sleep (S3 state aka Suspend-to-RAM) on Linux

Tested with Linux kernels 4.15.6 and 4.16-rc3.

Boot message shows no S3 (suspend-to-RAM) support:

ACPI: (supports S0 S4 S5)

On the X1 Carbon Gen 5 and others, it shows S3 support there.

We are tracking this issue here: https://bbs.archlinux.org/viewtopic.php?pid=1771210
Unfortunately, this makes using Linux on this laptop quite a pain right now.

As far as we can tell from other computers that had similar issues in the past, it requires a BIOS update from Lenovo to fix.

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