linux-kernel - Re: PROBLEM: i915 causes complete desktop freezes in 4.15-rc5

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Message-ID: <20180103215315.yf2hclzhxcie7qzn@D-69-91-141-110.dhcp4.washington.edu>
Date:   Wed, 3 Jan 2018 16:53:15 -0500
From:   Alexandru Chirvasitu <achirvasub@...il.com>
To:     Chris Wilson <chris@...is-wilson.co.uk>
Cc:     Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        intel-gfx@...ts.freedesktop.org,
        kernel list <linux-kernel@...r.kernel.org>
Subject: Re: PROBLEM: i915 causes complete desktop freezes in 4.15-rc5

All right, here's the dmesg from the kernel compiled from drm-tip (in
sync with upstream at the time of the compilation earlier today), with

CONFIG_DRM_I915_DEBUG_GEM=y

I crashed it by opening 20+ xterm windows. Doesn't always do it though
(tried this before).

On Wed, Jan 03, 2018 at 11:31:31AM -0500, Alexandru Chirvasitu wrote:
> Thank you for that!
> 
> I'd been getting used to seeing warnings to that effect, so got
> complacent and stopped checking for errors..
> 
> In any case, it's now compiled and installed, and I will report back
> with any new logs if / when another hang occurs.
> 
> On Wed, Jan 03, 2018 at 02:53:45PM +0000, Chris Wilson wrote:
> > Quoting Alexandru Chirvasitu (2018-01-03 14:48:26)
> > > Here's the log for the make bzImage and modules without ccache.
> > > 
> > > I ran it with j8 still because otherwise it would take very long, but
> > > if I run out of options I'll try plain too..
> > > 
> > > In the meantime I'd like to try some other configs; maybe specific
> > > drivers are messing me up.
> > > 
> > > I swear to god it was working all right yesterday..
> > 
> > drivers/gpu/drm/i915/intel_dpio_phy.c:442:1: error: the frame size of
> > 1168 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
> > 
> > Go into the kconfig compiler options and increase the limit or disable
> > the warning. See CONFIG_FRAME_WARN.
> > -Chris

View attachment "log-void-drm-debug" of type "text/plain" (64217 bytes)