From: Stefan Seyfried <stefan.seyfried@googlemail.com>
To: LKML <linux-kernel@vger.kernel.org>
Subject: Re: INTEL_MEI_ME=y breaks suspend on 3.10-rc3
Date: Mon, 03 Jun 2013 19:44:32 +0200 [thread overview]
Message-ID: <51ACD600.2020805@message-id.googlemail.com> (raw)
In-Reply-To: <51ACD4B2.7070107@message-id.googlemail.com>
Am 03.06.2013 19:38, schrieb Stefan Seyfried:
> Or, to be more precise: it breaks resume.
>
> The machine seems to lock up hard after resume, then after a few seconds
> it panics (caps lock blinking).
>
> Reproduced on ThinkPad X200s
>
> 00:03.0 0780: 8086:2a44 (rev 07)
> Intel Corporation Mobile 4 Series Chipset MEI Controller
>
> Debugged with "init=/bin/bash no_console_suspend", I see lots of errors
> from the mei_me driver, then finally the panic (some overflow maybe?).
>
> Unbinding the device before suspend fixes resume.
I just noticed that I get the following message on unbinding:
$ echo 0000:00:03.0 > /sys/bus/pci/drivers/mei_me/unbind
$ dmesg|tail -2
[ 1216.830034] mei_me 0000:00:03.0: stop
[ 1216.837018] mei_me 0000:00:03.0: wait hw ready failed. status = 0x0
not sure if this is related.
Best regards,
Stefan
--
Stefan Seyfried
Linux Consultant & Developer -- GPG Key: 0x731B665B
B1 Systems GmbH
Osterfeldstraße 7 / 85088 Vohburg / http://www.b1-systems.de
GF: Ralph Dehner / Unternehmenssitz: Vohburg / AG: Ingolstadt,HRB 3537
next prev parent reply other threads:[~2013-06-03 17:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-03 17:38 INTEL_MEI_ME=y breaks suspend on 3.10-rc3 Stefan Seyfried
2013-06-03 17:44 ` Stefan Seyfried [this message]
2013-06-03 18:09 ` Tomas Winkler
2013-06-18 18:27 ` Stefan Seyfried
2013-06-19 8:52 ` Winkler, Tomas
2013-06-19 9:02 ` Stefan Seyfried
2013-06-29 19:46 ` Stefan Seyfried
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