From: Julian Wollrath <jwollrath@web.de>
To: Dou Liyang <douly.fnst@cn.fujitsu.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
"Rafael J. Wysocki" <rafael@kernel.org>,
ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: A question about acpi_early_init(), and want to invoke acpi_early_init() earlier
Date: Fri, 14 Jul 2017 17:01:01 +0200 [thread overview]
Message-ID: <20170714170101.3edfaf46@saldaea> (raw)
In-Reply-To: <66904bb8-36ca-beb3-f19c-4796aae743df@cn.fujitsu.com>
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.
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
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next prev parent reply other threads:[~2017-07-14 15:01 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-11 13:26 A question about acpi_early_init(), and want to invoke acpi_early_init() earlier Dou Liyang
2017-07-11 13:29 ` Dou Liyang
2017-07-13 5:53 ` Dou Liyang
2017-07-14 15:01 ` Julian Wollrath [this message]
2017-07-18 0:53 ` Dou Liyang
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