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[Libreboot] Latest libreboot failed to init EC on t400s.

From: persmule
Subject: [Libreboot] Latest libreboot failed to init EC on t400s.
Date: Sat, 23 Jul 2016 12:35:33 +0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Icedove/45.1.0

Hi all,

I am testing the latest libreboot source, which works fine on my x200,
but fails to init EC on my t400s, and the Debian GNU/Linux Testing on
that t400s believes the radio switch is off regardless its real
position, cause its wlan cards rfkill-ed.

The following lines are stored in the syslog (and dmesg):

> kernel: [   91.469573] thinkpad_ec: thinkpad_ec_read_row: failed
> requesting row: (0x01:0x00)->0xfffffff0
> kernel: [   91.469578] thinkpad_ec: initial ec test failed

Now I have to use an earlier image of libreboot for the t400s, with log:

> kernel: [    6.333202] thinkpad_ec: thinkpad_ec 0.42 loaded.

Is there anyone having observed this phenomenon on t400, too?


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