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broken s2disk for ThinkPad T420 in current kernels

DISCUSSION Toralf Förster 1 participant 1 message Oct 29, 2013 ACPI

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Since 3.10 (at least) I cannot longer trust that a ThinkPad T420 with a stable 32 bit Gentoo Linux wakeups fine from s2disk (using an external USB 2.0 drive).

Currently it looks to me that I must not plug off the power cable during s2disk. Otherwise a wakeup later just shows the X11 screen like it was frozen during s2disk, but no cursor is blinking nor any keyboard is accepted except sys-rq, those keys works.

I'm wondering if plug off the power cable could have such an effect or if this is just mind crap of me.

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Toralf Förster
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