From: Mark Hounschell <markh@compro.net>
To: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Mark Hounschell <dmarkh@cfl.rr.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: PROBLEM: Can't boot a (HZ = 1000) kernel using an AMD Phenom-II processor
Date: Mon, 19 Jan 2009 09:45:28 -0500 [thread overview]
Message-ID: <49749208.9060807@compro.net> (raw)
In-Reply-To: <200901191341.54081.bzolnier@gmail.com>
Bartlomiej Zolnierkiewicz wrote:
> On Monday 19 January 2009, Mark Hounschell wrote:
>> Mark Hounschell wrote:
>>> I upgraded from a Phenom to a Phenom-II processor and I could no longer boot.
>>>
>>> I have tried kernels from 2.6.26 through 2.6.28.
>>>
>>> I _can_ however boot these kernels when they are configured for HZ = 250. I
>>> haven't tried HZ = 300. But certainly if HZ = 1000 the boot hangs at the spot
>>> indicated below in the dmesg output.
>>>
>>> The machine is up and stable running 2.6.26.8 with a (HZ = 1000) configured kernel.
>>>
>> The machine is up and stable running 2.6.26.8 with a (HZ = 250) configured
>> kernel. Sorry.
>>
>>> While running a 2.6.26.8 kernel configured for HZ = 250:
>
> [...]
>
>>> Checking if this processor honours the WP bit even in supervisor mode...Ok.
>>>
>>>
>>> The 2.6.26.8 kernel hangs up right here.
>>>
>>>
>>> CPA: page pool initialized 1 of 1 pages preallocated
>>> SLUB: Genslabs=12, HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
>>> hpet clockevent registered
>>> calibrate_delay_direct() failed to get a good estimate for loops_per_jiffy.
>>> Probably due to long platform interrupts. Consider using "lpj=" boot option.
>>> Calibrating delay loop... 3956.73 BogoMIPS (lpj=7913472)
>
> Even if it boots it may not work reliably since lpj/BogoMIPS are too small
> (they should be the same as for other CPUs) which in turn could result in too
> short delay loops.
>
>>> Security Framework initialized
>>> Capability LSM initialized
>>> Mount-cache hash table entries: 512
>>> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
>>> CPU: L2 Cache: 512K (64 bytes/line)
>>> CPU 0(4) -> Core 0
>>> Checking 'hlt' instruction... OK.
>>> ACPI: Core revision 20080321
>>> ENABLING IO-APIC IRQs
>>> ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
>>> CPU0: AMD Processor model unknown stepping 02
>>> Booting processor 1/1 ip 2000
>>> Initializing CPU#1
>>> Calibrating delay using timer specific routine.. 6000.60 BogoMIPS (lpj=12001200)
>
> Here are the proper values.
>
>>> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
>>> CPU: L2 Cache: 512K (64 bytes/line)
>>> CPU 1(4) -> Core 2
>>> x86 PAT enabled: cpu 1, old 0x7040600070406, new 0x7010600070106
>>> CPU1: AMD Processor model unknown stepping 02
>>> Booting processor 2/2 ip 2000
>>> Initializing CPU#2
>>> Calibrating delay using timer specific routine.. 6000.47 BogoMIPS (lpj=12000950)
>
> also OK
>
>>> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
>>> CPU: L2 Cache: 512K (64 bytes/line)
>>> CPU 2(4) -> Core 1
>>> x86 PAT enabled: cpu 2, old 0x7040600070406, new 0x7010600070106
>>> CPU2: AMD Processor model unknown stepping 02
>>> Booting processor 3/3 ip 2000
>>> Initializing CPU#3
>>> Calibrating delay using timer specific routine.. 6000.47 BogoMIPS (lpj=12000955)
>
> ditto
>
> That being said I don't know why delay calibration loop fails on CPU0.
>
> You may try booting with "lpj=12001200" kernel parameter to workaround
> the issue (it should fix booting with HZ == 1000) and/or try 2.6.29-rc2
> (the problem may have been already fixed).
>
> Thanks,
> Bart
>
I'll try "lpj=12001200" and 2.6.29-rc2 later when I get home this ev.
But I noticed CPU2 is different too. Is CPU1 the correct one?
>>> Initializing CPU#0
>>> Calibrating delay loop... 3956.73 BogoMIPS (lpj=7913472)
>>> Initializing CPU#1
>>> Calibrating delay using timer specific routine.. 6000.60 BogoMIPS (lpj=12001200)
>>> Initializing CPU#2
>>> Calibrating delay using timer specific routine.. 6000.47 BogoMIPS (lpj=12000950)
>>> Initializing CPU#3
>>> Calibrating delay using timer specific routine.. 6000.47 BogoMIPS (lpj=12000955)
Mark
next prev parent reply other threads:[~2009-01-19 15:00 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-18 12:38 PROBLEM: Can't boot a (HZ = 1000) kernel using an AMD Phenom-II processor Mark Hounschell
2009-01-19 8:48 ` Mark Hounschell
2009-01-19 12:41 ` Bartlomiej Zolnierkiewicz
2009-01-19 14:45 ` Mark Hounschell [this message]
2009-01-19 23:05 ` Mark Hounschell
2009-01-19 14:22 ` Borislav Petkov
2009-01-19 14:54 ` Mark Hounschell
2009-01-19 23:14 ` Mark Hounschell
2009-01-20 0:25 ` john stultz
2009-01-20 9:08 ` Mark Hounschell
2009-01-20 9:37 ` Andreas Herrmann
2009-01-20 21:08 ` Mark Hounschell
2009-01-23 9:34 ` Mark Hounschell
2009-01-23 13:04 ` Andreas Herrmann
2009-01-23 14:47 ` Borislav Petkov
2009-01-23 22:24 ` Mark Hounschell
2009-01-23 22:46 ` Mark Hounschell
2009-01-26 18:26 ` Mark Hounschell
2009-01-27 16:38 ` Borislav Petkov
2009-01-28 0:30 ` Mark Hounschell
2009-01-28 0:33 ` Mark Hounschell
2009-01-31 9:15 ` Mark Hounschell
2009-02-02 17:05 ` Borislav Petkov
2009-02-03 9:17 ` Mark Hounschell
2009-02-03 15:11 ` Borislav Petkov
2009-02-03 19:15 ` Mark Hounschell
2009-02-05 17:19 ` Mark Hounschell
2009-02-06 13:52 ` Borislav Petkov
2009-02-06 14:11 ` Mark Hounschell
2009-02-06 17:55 ` Mark Hounschell
2009-02-06 22:20 ` Mark Hounschell
2009-02-09 14:18 ` Borislav Petkov
2009-02-09 15:29 ` Mark Hounschell
2009-02-18 13:11 ` Mark Hounschell
2009-02-18 14:18 ` Borislav Petkov
2009-02-18 16:57 ` Mark Hounschell
2009-02-18 17:42 ` Borislav Petkov
2009-02-18 21:16 ` Mark Hounschell
2009-02-19 10:37 ` Mark Hounschell
2009-02-19 14:11 ` Andreas Herrmann
2009-02-19 15:16 ` Mark Hounschell
2009-02-19 15:19 ` Borislav Petkov
2009-02-19 15:54 ` Mark Hounschell
2009-02-20 11:53 ` Andreas Herrmann
2009-02-20 12:34 ` Ingo Molnar
2009-02-20 21:51 ` Andreas Herrmann
2009-02-20 15:43 ` Mark Hounschell
2009-02-20 16:08 ` Andreas Herrmann
2009-02-20 16:38 ` Andreas Herrmann
2009-02-20 17:09 ` Mark Hounschell
2009-02-20 17:40 ` Mark Hounschell
2009-02-20 18:22 ` Andreas Herrmann
2009-02-20 18:28 ` Mark Hounschell
2009-02-20 19:54 ` Mark Hounschell
2009-02-20 20:27 ` Mark Hounschell
2009-02-20 22:28 ` Andreas Herrmann
2009-02-21 1:14 ` Mark Hounschell
2009-02-21 13:20 ` Mark Hounschell
2009-02-20 17:06 ` Mark Hounschell
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