linux-kernel - Clock trouble retest results with 2.6.23-rc4-mm1 (was: 2.6.23-rc3-mm1)

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Date:	Wed, 05 Sep 2007 22:41:37 +0200
From:	Tilman Schmidt <tilman@...p.cc>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	john stultz <johnstul@...ibm.com>, Andi Kleen <ak@...e.de>,
	Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org,
	Dave Jones <davej@...emonkey.org.uk>,
	Thomas Renninger <trenn@...e.de>,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>
Subject: Clock trouble retest results with 2.6.23-rc4-mm1 (was: 2.6.23-rc3-mm1)

Am 25.08.2007 05:30 schrieb Andrew Morton:
> On Sat, 25 Aug 2007 02:47:59 +0200 Tilman Schmidt <tilman@...p.cc> wrote:

>>>> - on console early during boot, also in SuSE's /var/log/boot.msg:
>>>>
>>>> your system time is not correct:
>>>> Wed Jul 13 13:15:31 UTC 1910
>>>> setting system time to:
>>>> Tue Jul 24 00:00:00 UTC 2007

With 2.6.23-rc4-mm1 this doesn't happen anymore,
so whatever it was seems to be fixed.

>> --- /tmp/bootmsg-2.6.23-rc3	2007-08-25 02:25:54.000000000 +0200
>> +++ /tmp/bootmsg-2.6.23-rc3-mm1	2007-08-25 02:26:08.000000000 +0200
[...]
>>  <6>..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
>> -<6>checking TSC synchronization [CPU#0 -> CPU#1]: passed.
>> +<6>checking TSC synchronization [CPU#0 -> CPU#1]:
>> +<4>Measured 32 cycles TSC warp between CPUs, turning off TSC clock.
>> +<4>Marking TSC unstable due to: check_tsc_sync_source failed.

This still happens identically with 2.6.23-rc4-mm1.
Mainline kernels like my TSC, -mm kernels don't.

>> -<7>hpet_resources: 0xfed00000 is busy
>> +<4>hpet_acpi_add: no address or irqs in _CRS
> 
> oh boy

2.6.23-rc4-mm1 reverts to mainline behaviour here.
(ie. "busy" instead of "no address or irqs")
Dunno if that's good or bad.

>> +<4>thermal: Unknown symbol acpi_processor_set_thermal_limit
> 
> I think there are acpi fixes in Len's latest tree which will fix this.

Gone in 2.6.23-rc4-mm1.

HTH
Tilman

-- 
Tilman Schmidt                          E-Mail: tilman@...p.cc
Bonn, Germany
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