Date: Tue, 5 Mar 2013 10:07:24 -0500 From: Glen Barber <gjb@FreeBSD.org> To: freebsd-current@FreeBSD.org Subject: drm GPU hung, resume no longer working Message-ID: <20130305150724.GB1516@glenbarber.us>
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Hi,
I am running:
FreeBSD nucleus 10.0-CURRENT FreeBSD 10.0-CURRENT #87 r247546: Fri Mar
1 13:15:42 EST 2013 root@nucleus:/usr/obj/usr/src/sys/NUCLEUS amd64
Sometime very recently, resume has stopped working. I can ssh to the
machine when it resumes, and I do see my background image on resume, but
once the screen goes into locked mode (xscreensaver), I cannot get back
to a working state without reboot.
syslog reports:
Mar 5 09:21:33 nucleus kernel: error: [drm:pid12:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
Mar 5 09:21:33 nucleus kernel: info: [drm] capturing error event; look for more information in sysctl hw.dri.0.info.i915_error_state
dmesg says:
uhub2: 2 ports with 2 removable, self powered
ugen0.2: <vendor 0x8087> at usbus0
uhub3: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2> on usbus0
ugen2.2: <vendor 0x8087> at usbus2
uhub4: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2> on usbus2
uhub3: 6 ports with 6 removable, self powered
uhub4: 6 ports with 6 removable, self powered
ugen0.3: <Azurewave> at usbus0
error: [drm:pid12:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
info: [drm] capturing error event; look for more information in sysctl hw.dri.0.info.i915_error_state
hw.dri.0.info.i915_error_state output is at:
http://people.freebsd.org/~gjb/i915.sysctl.txt
Any thoughts on how to debug this further?
Thanks.
Glen
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