From: Ingo Molnar <mingo@kernel.org>
To: Juergen Gross <jgross@suse.com>
Cc: Borislav Petkov <bp@alien8.de>,
Mike Galbraith <mgalbraith@suse.de>,
LKML <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [x86-tip] RSDP changes converted i4790 box SMP -> UP
Date: Mon, 15 Jan 2018 16:32:43 +0100 [thread overview]
Message-ID: <20180115153243.3wst57a2fqin2h37@gmail.com> (raw)
In-Reply-To: <b2a941a3-ff75-d57a-6dac-9a91fb0f4c31@suse.com>
* Juergen Gross <jgross@suse.com> wrote:
> On 15/01/18 15:56, Borislav Petkov wrote:
> > On Mon, Jan 15, 2018 at 03:52:25PM +0100, Juergen Gross wrote:
> >> Ingo, with my finding that above boot failure is related to a bug in
> >> openSUSE's grub2 (I've verified it soesn't exist in upstream grub2),
> >
> > The box I'm seeing this on has SLES12-SP2 grub:
> >
> > Version : 2.02~beta2-115.9.1
> >
> > Does it have the same bug?
>
> The patch introducing this problem is from 2012. So I guess: yes.
I suspect this makes it a widespread, unintended ABI. Can we detect and somehow avoid it?
The boot protocol ABI sucks if it's fragile against such mistakes.
Thanks,
Ingo
next prev parent reply other threads:[~2018-01-15 15:32 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1515675936.7350.15.camel@suse.de>
[not found] ` <20180111133723.d7x3sekanz5jhut2@gmail.com>
[not found] ` <1515682631.16805.3.camel@suse.de>
[not found] ` <20180111150331.7zzkd7awdxele54b@gmail.com>
[not found] ` <20180111151044.GC6176@hirez.programming.kicks-ass.net>
[not found] ` <1515694412.7054.10.camel@suse.de>
2018-01-12 4:25 ` [x86-tip] RSDP changes converted i4790 box SMP -> UP Mike Galbraith
2018-01-12 6:40 ` Juergen Gross
2018-01-12 8:01 ` Mike Galbraith
2018-01-12 11:17 ` Juergen Gross
2018-01-12 13:00 ` Mike Galbraith
2018-01-15 14:41 ` Juergen Gross
2018-01-15 15:08 ` Mike Galbraith
2018-01-12 12:23 ` Borislav Petkov
2018-01-12 13:11 ` Ingo Molnar
2018-01-15 14:52 ` Juergen Gross
2018-01-15 14:56 ` Borislav Petkov
2018-01-15 15:18 ` Juergen Gross
2018-01-15 15:32 ` Ingo Molnar [this message]
2018-01-15 15:40 ` Juergen Gross
2018-01-15 16:29 ` Gabriel C
2018-01-15 16:42 ` Juergen Gross
2018-01-15 16:56 ` Gabriel C
2018-01-15 17:04 ` Juergen Gross
2018-01-15 17:22 ` Gabriel C
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