linux-kernel - Re: [Intel-gfx] drm/i915: WARN_ON_ONCE(!crtc_clock || cdclk < crtc

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Message-ID: <1476298116.1960.4.camel@tiscali.nl>
Date:   Wed, 12 Oct 2016 20:48:36 +0200
From:   Paul Bolle <pebolle@...cali.nl>
To:     Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        David Airlie <airlied@...ux.ie>
Cc:     intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [Intel-gfx] drm/i915: WARN_ON_ONCE(!crtc_clock || cdclk <
 crtc_clock)

On Wed, 2016-10-12 at 14:06 +0200, Paul Bolle wrote:
> That might take some time. Because bisecting always takes a long time
> and especially since hitting this WARNING sometimes takes over an hour.
> Anyhow, please prod me if I stay silent for too long.

For the record: I just had to power cycle this laptop because it got
into that lovely state where it just locks without accepting any input
(no, I don't have netconsole enabled).

Assuming this lockup is related: this could be more urgent than I
thought.


Paul Bolle