From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Widawsky Subject: Re: system freeze with kernel 3.2-rc7 Date: Thu, 12 Jan 2012 20:04:54 -0800 Message-ID: <4F0FAD66.4060005@bwidawsk.net> References: <20120112183315.GA10370@bolo_yeung.jf.intel.com> <1454u8-3sn.ln1@hurikhan.ath.cx> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from cloud01.chad-versace.us (184-106-247-128.static.cloud-ips.com [184.106.247.128]) by gabe.freedesktop.org (Postfix) with ESMTP id 58DC29F005 for ; Thu, 12 Jan 2012 20:05:07 -0800 (PST) In-Reply-To: <1454u8-3sn.ln1@hurikhan.ath.cx> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Kai Krakow , Jesse Barnes Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On 01/12/2012 02:57 PM, Kai Krakow wrote: > Ben Widawsky schrieb: > >> On Mon, Dec 26, 2011 at 01:43:37AM +0100, Kai Krakow wrote: >>> I found my system freeze mostly during starting up X and KDE. Sometimes >>> it works for some minutes, sometimes it freezes immediatly. When the >>> freeze happens, everything is dead (even the reset button does not work, >>> I need to power cycle). > [...] >> Can you please try this kernel: >> git://people.freedesktop.org/~bwidawsk/drm-intel context-support >> >> You probably need to manually enable rc6. We were given some hint that >> we may not be setting up contexts properly. The above branch should >> create a default context (amongst other stuff which won't happen in this >> case). > > Since that branch seems to be based off 3.2-rc6 I didn't need to enable RC6, > it was on by default. > > But I'm sorry to inform you that this still makes my system board freeze > during KDE login, sometimes early, sometimes late during loading of the > desktop. Thanks. At least we can give this information back to our design team. > > My system freezes completely: Keyboard dead, SysRq shortcuts dead, screen > goes blank (or shows funny lightshows before blanking), even the hard disk > LED freezes. I need to power cycle to get back into a working state. If I > only use the reset switch, the board behaves strange after reboot. The reset > button sometimes takes a few seconds to make the system reboot when frozen. > > All this tells me that something really bad goes on within the > CPU/GPU/chipset during freeze which even survives a board reset. Only power > cycling helps. > > Keith got the specs of my system and wanted to "mirror" it for development. > Maybe he could find out better what happens. I have no idea how to debug > that because everything freezes so badly. > > Regards, > Kai Jesse, would you care to update VPG with this info? Ben