From: Juergen Gross <jgross@suse.com>
To: Mike Galbraith <mgalbraith@suse.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: [x86-tip] RSDP changes converted i4790 box SMP -> UP
Date: Fri, 12 Jan 2018 07:40:17 +0100 [thread overview]
Message-ID: <668caea1-5a34-cf8e-a515-a7fa126bb7ee@suse.com> (raw)
In-Reply-To: <1515731128.10188.32.camel@suse.de>
On 12/01/18 05:25, Mike Galbraith wrote:
> Hi Juergen,
>
> Yesterday I wanted to test the RETPOLINE stuff in tip and tip-rt, but
> discovered instead that my box had turned into a complete slug, not due
> to incredible RETPOLINE overhead, rather because box had forgotten that
> it had more than one CPU. I was going to leave it for the weekend, but
> firing up gitk over morning java, I noticed the commits below, and sure
> enough, that's what broke my box. Given other people's boxen work,
> seems likely that the authors of the AMI BIOS in this box were a bit
> more creative than usual.
So I'm curious how this should be possible.
Some questions:
- which bootloader are you using?
- what does /sys/kernel/boot_params/version contain?
- can you print the returned value of acpi_arch_get_root_pointer()
in acpi_os_get_root_pointer() with the patches applied and report
it, please?
Juergen
next prev parent reply other threads:[~2018-01-12 6:40 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 ` Mike Galbraith
2018-01-12 6:40 ` Juergen Gross [this message]
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
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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