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

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Date:   Mon, 1 Jan 2018 16:13:57 -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, we're in business with the new dmesg: It hung again, with a
4.15-rc6 kernel with kasan support.

The new dmesg is attached; the trace is longer now, as you expected.

And thanks!

On Sun, Dec 31, 2017 at 04:54:14PM +0000, Chris Wilson wrote:
> Quoting Alexandru Chirvasitu (2017-12-31 16:52:36)
> > I see lockdep is configured (though I'm not familiar with the feature;
> > the config came with it, and I made oldconfig), but I'll need to
> > recompile for kasan.
> > 
> > I'll do that over the next few days, but once done, what would I get
> > back to you with? Again logs if / when the problem occurs? I'm still
> > unable to trigger it reliably.
> 
> The new dmesg, I expect kasan will print a few warnings before it oopses
> again.
> -Chris

View attachment "log-kasan" of type "text/plain" (62781 bytes)