[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date: Tue, 18 Jul 2017 08:53:39 +0800
From: Dou Liyang <douly.fnst@...fujitsu.com>
To: Julian Wollrath <jwollrath@....de>
CC: "Rafael J. Wysocki" <rjw@...ysocki.net>,
"Rafael J. Wysocki" <rafael@...nel.org>,
ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: A question about acpi_early_init(), and want to invoke
acpi_early_init() earlier
Hi, Julian
At 07/14/2017 11:01 PM, Julian Wollrath wrote:
> Hi,
>
>>> I reproduced it by the following command line:
>>> ...noapic acpi_sci=level...
>>>
>>> the original dmesg is:
>>>
>>> [ 0.000000] tsc: Fast TSC calibration using PIT
>>>
>>> the broken dmesg is:
>>>
>>> [ 0.001000] tsc: PIT calibration matches HPET. 1 loops
>>>
>>> Is it right? If it is wrong, please give the right process for
>>> reproducing.
> yes, this is right, see [1] for the original thread.
>
Got it.
> The earliest I could move the call of acpi_early_init() without
> triggering the bug back than is shown in the patch at [2] but
> unforunately I do not have access to the Thinkpad X121e I had back than
> anymore, so I cannot help with regression testing.
>
> Cheers,
> Julian
>
> [1] https://lkml.org/lkml/2014/3/10/123
> [2] https://lkml.org/lkml/2014/3/11/424
>
These two links is really helpful for me.
Thanks,
dou.
Powered by blists - more mailing lists