linux-kernel - Re: Realtime: vanilla 2.6.19 with 2.6.19-rt11 patch doesn't boot

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Date:	Mon, 11 Dec 2006 17:42:30 +0100
From:	Oliver Bock <o.bock@...wolfenbuettel.de>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Realtime: vanilla 2.6.19 with 2.6.19-rt11 patch doesn't boot

Hi Ingo,

Thanks for your reply. I tried -rt12 and could successfully boot my system.
However, now I find the following during boot:

registering clocksource pit
 [<c0134a8f>] clocksource_register+0x2f/0x130
 [<c0252ef4>] sysdev_register+0xf4/0x100
 [<c03a0070>] init_pit_clocksource+0x60/0x70
 [<c01003bf>] init+0x8f/0x310
 [<c010311e>] ret_from_fork+0x6/0x1c
 [<c0100330>] init+0x0/0x310
 [<c0100330>] init+0x0/0x310
 [<c0103d53>] kernel_thread_helper+0x7/0x14
 =======================
registering clocksource tsc
 [<c0134a8f>] clocksource_register+0x2f/0x130
 [<c0124796>] __mod_timer+0x86/0xb0
 [<c03a032d>] init_tsc_clocksource+0x18d/0x1f0
 [<c01003bf>] init+0x8f/0x310
 [<c010311e>] ret_from_fork+0x6/0x1c
 [<c0100330>] init+0x0/0x310
 [<c0100330>] init+0x0/0x310
 [<c0103d53>] kernel_thread_helper+0x7/0x14
 =======================
registering clocksource jiffies
 [<c0134a8f>] clocksource_register+0x2f/0x130
 [<c01a635a>] sysfs_create_file+0x3a/0x50
 [<c03aaf7f>] init_jiffies_clocksource+0xf/0x20
 [<c01003bf>] init+0x8f/0x310
 [<c010311e>] ret_from_fork+0x6/0x1c
 [<c0100330>] init+0x0/0x310
 [<c0100330>] init+0x0/0x310
 [<c0103d53>] kernel_thread_helper+0x7/0x14
 =======================
[...]
registering clocksource acpi_pm
 [<c0134a8f>] clocksource_register+0x2f/0x130
 [<c03b707a>] init_acpi_pm_clocksource+0xba/0x130
 [<c0255ede>] class_create+0x4e/0x70
 [<c01003bf>] init+0x8f/0x310
 [<c010311e>] ret_from_fork+0x6/0x1c
 [<c0100330>] init+0x0/0x310
 [<c0100330>] init+0x0/0x310
 [<c0103d53>] kernel_thread_helper+0x7/0x14
 =======================


This is my .config regarding HPET:

CONFIG_HPET_TIMER=y
CONFIG_HPET=y
# CONFIG_HPET_RTC_IRQ is not set
CONFIG_HPET_MMAP=y


Oliver


On Monday 11 December 2006 14:43, you wrote:
> * Oliver Bock <o.bock@...wolfenbuettel.de> wrote:
> > Hi Ingo,
> >
> > I tried to boot a vanilla 2.6.19 kernel with your 2.6.19-rt11 patch
> > but without success. However, the patch applied without a single error
> > and the vanilla kernel (without the patch) works fine so far. As my
> > screen just stays black and as there's no HD activity after selecting
> > the kernel in grub, I suppose that it might be related to the new
> > Areca RAID driver I use (compiled in because all my partitions reside
> > on a RAID volume) in conjunction with your patch...
>
> do you have HPET enabled in your .config by any chance?
>
> 	Ingo
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