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Date: Mon, 03 Jun 2013 19:44:32 +0200 From: Stefan Seyfried <stefan.seyfried@...glemail.com> To: LKML <linux-kernel@...r.kernel.org> Subject: Re: INTEL_MEI_ME=y breaks suspend on 3.10-rc3 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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