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Date:   Mon, 20 May 2019 18:06:36 +0200
From:   Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To:     Pavel Machek <pavel@ucw.cz>
Cc:     kernel list <linux-kernel@vger.kernel.org>, tglx@linutronix.de,
        mingo@redhat.com, bp@alien8.de, hpa@zytor.com, x86@kernel.org
Subject: Re: 5.2-rc0.8: emacs segfaults?! x220, with 32-bit userland
Message-ID: <20190520160636.z6fpjiidc2d5ko5g@linutronix.de>
References: <20190519221700.GA7154@amd>
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On 2019-05-20 00:17:01 [+0200], Pavel Machek wrote:
> Hi!
Hi,

> emacs segfaults... when I attempt to exit it. And that did not use to
> be the case. Nothing suspect in the dmesg. Rest of the machine seems
> to work ok.
…
> Ideas welcome...

I assume that this happens with -rc1, too. Could you please check if
emacs still segfaults with commit

  d9c9ce34ed5c8 ("x86/fpu: Fault-in user stack if copy_fpstate_to_sigframe() fails")

and commit

  89833fab15d60 ("x86/fpu: Fix __user annotations")

?

Sebastian