Public bug reported:
version: 3rd(2015 version) on Trusty(14.04)
It suspends and resumes successfully at the first time, then WWAN
devices disappear and fails to suspend.
workaround 0:
BIOS, Always On USB to disable, USB 3.0 mode to enable
workaround 1:
disable cdc* modules in rootfs and initramfs(you will lose WWAN feature)
workaround 2:
reset that WWAN device from xHCI(USB 3.0) port to EHCI(USB 2.0)
We still need a fix.
** Affects: linux (Ubuntu)
Importance: High
Status: New
** Description changed:
+ version: 3rd(2015 version) on Trusty(14.04)
+
It suspends and resumes successfully at the first time, then WWAN
devices disappear and fails to suspend.
+
+ workaround 0:
+ BIOS, Always On USB to disable, USB 3.0 mode to enable
workaround 1:
disable cdc* modules in rootfs and initramfs(you will lose WWAN feature)
workaround 2:
reset that WWAN device from xHCI(USB 3.0) port to EHCI(USB 2.0)
-
We still need a fix.
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https://bugs.launchpad.net/bugs/1409584
Title:
ThinkPad X1 Carbon 3rd(2015 version) fails to suspend from the second
time
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