linux-kernel - Re: REGRESSION 3.14 i915 warning & mouse cursor vanishing

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Date:	Mon, 14 Apr 2014 11:35:05 -0700
From:	Keith Packard <keithp@...thp.com>
To:	Steven Noonan <steven@...inklabs.net>,
	linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org,
	David Airlie <airlied@...ux.ie>
Subject: Re: REGRESSION 3.14 i915 warning & mouse cursor vanishing

Steven Noonan <steven@...inklabs.net> writes:

> Was using my machine normally, then my mouse cursor vanished. After switching
> to a VT and back to X11, my cursor came back. But I did notice a nasty trace in
> dmesg (below).

I don't think the trace below is related to the cursor disappearing.

I found a pair of bugs (one in the intel driver, one in the X server)
which can cause cursor disappearances. I just sent an intel driver patch
to the intel-gfx list with the subject:

        [PATCH] load_cursor_argb is supposed to return a Bool, not void

I've posted the X server patch once, and will respond to some review
comments. Either is sufficient to get a cursor back, the intel driver
one means you get a working hardware cursor again, rather than using a
software cursor by mistake.

-- 
keith.packard@...el.com

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