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Date: Thu, 16 Jun 2011 11:38:41 +0200 From: Maarten Lankhorst <m.b.lankhorst@...il.com> To: Stefan Seyfried <stefan.seyfried@...glemail.com> Cc: linux-kernel@...r.kernel.org, Oren Weil <oren.jer.weil@...el.com> Subject: Re: 3.0-rc2: mei breaks suspend 2011/6/16 Maarten Lankhorst <m.b.lankhorst@...il.com>: > Hi Stefan, > > 2011/6/16 Stefan Seyfried <stefan.seyfried@...glemail.com>: >> Hi, >> >> having the "mei" driver loaded, which happened automatically on my >> ThinkPad X200s, successfully prevents any suspend efforts: >> >> [39736.728116] pci_pm_suspend(): mei_pci_suspend+0x0/0xc0 [mei] returns 9999 >> >> The code has not changed since 3.0-rc2, so I did not try compiling latest >> git. >> >> Jiri Slaby hinted that this code in drivers/staging/mei/wd.c is to blame: >> >> 169 ret = wait_event_interruptible_timeout(dev->wait_stop_wd, >> 170 dev->wd_stopped, 10 * HZ); >> >> I am, however, not familiar enough with timers and stuff to immediately >> spot the problem. >> >> Removing the module before suspend is a workaround. >> >> This could be considered a regression, as suspend worked very well before >> this driver was introduced :-) Nm, stupid suggestion. Adding the author to cc, maybe he knows. -- 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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