linux-kernel - Re: WARNING: CPU: 1 PID: 185 at drivers/gpu/drm/i915/intel_display.c:14422 intel_modeset

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Message-ID: <98d7dffa-6b9e-b9b7-549f-b938bc3a01f7@linux.intel.com>
Date:   Thu, 30 Nov 2017 14:56:10 +0100
From:   Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
To:     Fengguang Wu <fengguang.wu@...el.com>,
        intel-gfx@...ts.freedesktop.org
Cc:     Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Ville Syrjälä <ville.syrjala@...ux.intel.com>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Ander Conselvan de Oliveira 
        <ander.conselvan.de.oliveira@...el.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        lkp@...org
Subject: Re: WARNING: CPU: 1 PID: 185 at
 drivers/gpu/drm/i915/intel_display.c:14422 intel_modeset_init+0x3dc/0xf60
 [i915]

Op 30-11-17 om 14:15 schreef Fengguang Wu:
> Hello,
>
> This happens in mainline kernel v4.15-rc1 on LENOVO IdeaPad U410.
> It at least dates back to v4.11 .
>
> It occurs in 72 out of 72 boots.
Can I get a boot log with drm.debug=0x1f? I don't have enough information to see what's going on. :)

~Maarten