Date: Mon, 13 Nov 2017 11:03:18 -0800 From: Pete Wright <pete@nomadlogic.org> To: Ben Lavery-Griffiths <ben.lavery@hashbang0.com>, freebsd-x11@freebsd.org Subject: Re: Intel graphics, GPU Hung Message-ID: <2461a3eb-d754-3621-a59d-f77075a0ca0a@nomadlogic.org> In-Reply-To: <EB6123C8-3782-42F3-8732-A87D08A5E9D9@hashbang0.com> References: <EB6123C8-3782-42F3-8732-A87D08A5E9D9@hashbang0.com>
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On 11/12/17 9:32 AM, Ben Lavery-Griffiths wrote: > Hi all, > > Since upgrading to FreeBSD-RELEASE 11.1 I have noticed an intermittent issue where XDM isn’t displayed after booting. A mouse pointer usually appears in the middle of the screen and I’m able to control it for a short while (less than a minute). Switching back to the console I am greeted with the following message: > >> error: [drm:pid12:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung >> info: [drm] capturing error event; look for more information in sysctl hw.dri.0.info.i915_error_state >> error: [drm:pid0:i915_write64] *ERROR* Unknown unclaimed register before writing to 100000 >> error: [drm:pid908:i915_write32] *ERROR* Unknown unclaimed register before writing to 20a8 >> error: [drm:pid12:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung >> error: [drm:pid0:__gen6_gt_force_wake_mt_get] *ERROR* Timed out waiting for forcewake old ack to clear. >> error: [drm:pid12:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung >> error: [drm:pid0:i915_reset] *ERROR* GPU hanging too fast, declaring wedged! >> error: [drm:pid0:i915_reset] *ERROR* Failed to reset chip. > I have uploaded the following files to a gist on Github found here: https://gist.github.com/forquare/2a9e1c3e6a0ec32c3a27a768f1b50371 > > - dmesg.boot > - loader.conf > - messages > - rc.conf > - sysctl.conf > - Xorg.0.log > - Output of `sysctl hw.dri.0.info.i915_error_state` > > I’ve seen a forum post (https://forums.freebsd.org/threads/62831/) stating that it is an ‘issue’, but haven’t managed to find anything else. Is there some setting which is causing this? Or a regression that will likely be remain unfixed for a time? I don't have a 11.1 system handy at the moment, but one think that i think helped on my current system which ran into a similar issue was to define this in /boot/loader.conf: compat.linuxkpi.enable_hangcheck=0 kinda a shot in the dark, so I'm not too sure. -pete
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