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Message-ID: <C05159BAA7193A44A8AB2D763D6545CB70CC3D14@ORSMSX101.amr.corp.intel.com> Date: Wed, 14 Oct 2015 03:23:23 +0000 From: "Miramontes Caton, Jairo Daniel" <jairo.daniel.miramontes.caton@...el.com> To: Daniel Vetter <daniel@...ll.ch>, Darren Hart <dvhart@...radead.org> CC: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, "Vetter, Daniel" <daniel.vetter@...el.com>, Daniel Vetter <daniel.vetter@...ll.ch>, "Jani Nikula" <jani.nikula@...ux.intel.com>, David Airlie <airlied@...ux.ie>, "intel-gfx@...ts.freedesktop.org" <intel-gfx@...ts.freedesktop.org>, "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org> Subject: RE: v4.3-rc4: i915: ThinkPad Yoga 12: *ERROR* The master control interrupt lied (SDE)! [regression] Created bug in fdo bugzilla to keep track of this regression: https://bugs.freedesktop.org/show_bug.cgi?id=92454 Regards -----Original Message----- From: Daniel Vetter [mailto:daniel.vetter@...ll.ch] On Behalf Of Daniel Vetter Sent: Monday, October 12, 2015 2:06 AM To: Darren Hart Cc: Linux Kernel Mailing List; Vetter, Daniel; Daniel Vetter; Jani Nikula; David Airlie; intel-gfx@...ts.freedesktop.org; dri-devel@...ts.freedesktop.org; Miramontes Caton, Jairo Daniel Subject: Re: v4.3-rc4: i915: ThinkPad Yoga 12: *ERROR* The master control interrupt lied (SDE)! [regression] Another regression for Jairo to track. -Daniel On Sat, Oct 10, 2015 at 12:08:43PM -0700, Darren Hart wrote: > The Debian 3.16.0 kernel does not emit the error, but I have not > attempted a bisection. > > The warning was added by: > 38cc46d drm/i915/bdw: Ack interrupts before handling them (GEN8) > 2014-06-18 (1 year, 4 months ago), Oscar Mateo > <oscar.mateo@...el.com> > > Follows: v3.15-rc8 > Preceedes: 3.17-rc1 > > This is not present in v3.16, so perhaps not present in the Debian > kernel and this is not a regression, but just reporting the condition as intended. > > Linux Version: v4.3-rc4 > Platform: Lenovo ThinkPad Yoga 12 > OS: Debian 8.2 > > $ dmesg | grep -i drm > [ 10.918367] [drm] Initialized drm 1.1.0 20060810 > [ 11.235005] [drm] Memory usable by graphics device = 4096M > [ 11.235009] fb: switching to inteldrmfb from simple > [ 11.235093] [drm] Replacing VGA console driver > [ 11.241160] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). > [ 11.241162] [drm] Driver supports precise vblank timestamp query. > [ 11.256249] [drm:drm_calc_timestamping_constants [drm]] *ERROR* crtc 21: Can't calculate constants, dotclock = 0! > [ 11.326946] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5 > [ 11.344097] [drm] Initialized i915 1.6.0 20150731 for 0000:00:02.0 on minor 0 > [ 11.344913] fbcon: inteldrmfb (fb0) is primary device > [ 12.462509] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 12.466498] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device > [ 12.794359] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 13.869733] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 13.869894] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 13.870058] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 22.656986] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 257.506246] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 257.506415] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 257.506584] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 257.506746] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 278.722570] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 278.722744] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 278.722908] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 1857.776390] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 1857.776549] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 1857.776710] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > [ 4057.592685] [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt lied (SDE)! > > -- > Darren Hart > Intel Open Source Technology Center -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch -- 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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