linux-kernel - Re: [RFC PATCH] x86/debug: Dump more detailed segfault info

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Message-ID: <20161115103803.GA16101@gmail.com>
Date:   Tue, 15 Nov 2016 11:38:03 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Borislav Petkov <bp@...en8.de>
Cc:     X86 ML <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
        Andy Lutomirski <luto@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [RFC PATCH] x86/debug: Dump more detailed segfault info


* Borislav Petkov <bp@...en8.de> wrote:

> On Tue, Nov 15, 2016 at 11:19:03AM +0100, Ingo Molnar wrote:
> > Well, bfd8d3f23b51 was part of -rc1 already, so you have it too.
> 
> Right.
> 
> > What might have made the difference is that I tested it on real hardware with 
> > serial logging, which delays printk() and might have created the race with the 
> > systemd kernel logger. (Which is impossible to turn off :-( )
> 
> Of course it is!
> 
> printk.devkmsg=off
> 
> :-)

LOL, indeed ;-)

Thanks,

	Ingo