linux-kernel - Re: 2.6.23-rc3-hrt2 stall during boot on ASUS F3T (x86

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Message-ID: <20070820153207.278df810@localhost>
Date:	Mon, 20 Aug 2007 15:32:07 +0400
From:	Mikhail Kshevetskiy <mikhail.kshevetskiy@...il.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Peter Zijlstra <peterz@...radead.org>, linux-kernel@...r.kernel.org
Subject: Re: 2.6.23-rc3-hrt2 stall during boot on ASUS F3T (x86_64)

On Mon, 20 Aug 2007 11:31:10 +0200
Thomas Gleixner <tglx@...utronix.de> wrote:

> On Mon, 2007-08-20 at 12:35 +0400, Mikhail Kshevetskiy wrote:
> > > > >   at 73.442744: I do nothing, the kernel continue to boot after 168 sec
> > > > > 
> > > > >   at 243.497822: After 2 hours i press and hold "shift" button to continue booting 
> > > > > 
> > > > > The dmesg output and my kernel configuration are listed below. 
> > > > > 
> > > > > I test i386 version of the same kernel with very similar configuration, it boot normally.
> > > 
> > > Can you please add "noapictimer" to the kernel command line ?
> >
> > This helps, thank you.
> > Why it is not required for i386 kernel?
> > Is it possible to fix this problem without disabling of apic timer?
> 
> Probably, but we need more information about the breakage. I assume that
> the 64 bit kernel does something different with the power states on idle
> 
> Can you please provide the output of /proc/acpi/processor/CPU0/power for
> both the 32 and the 64 bit kernel ?
> 
> 	tglx
> 
> 


2.6.22.3 (x86_64)
====================================
kl@...id:~$ cat /proc/acpi/processor/P001/power 
active state:            C0
max_cstate:              C8
bus master activity:     00000000
maximum allowed latency: 8000 usec
states:

2.6.23-rc3-hrt2 (x86_64, noapictimer)
====================================
kl@...id:~$ cat /proc/acpi/processor/P001/power
active state:            C0
max_cstate:              C8
bus master activity:     00000000
maximum allowed latency: 8000 usec
states:
    C1:                  type[C1] promotion[--] demotion[--] latency[000] usage[00000000] duration[00000000000000000000]

2.6.23-rc3-hrt2 (x86_64)
====================================
kl@...id:~$ cat /proc/acpi/processor/P001/power
active state:            C0
max_cstate:              C8
bus master activity:     00000000
maximum allowed latency: 8000 usec
states:
    C1:                  type[C1] promotion[--] demotion[--] latency[000] usage[00000000] duration[00000000000000000000]

2.6.22.1 (i386)
====================================
kl@...id:~$ cat /proc/acpi/processor/P001/power
active state:            C0
max_cstate:              C8
bus master activity:     00000000
maximum allowed latency: 8000 usec
states:

2.6.23-rc3-hrt2 (i386)
====================================
kl@...id:~$ cat /proc/acpi/processor/P001/power
active state:            C0
max_cstate:              C8
bus master activity:     00000000
maximum allowed latency: 8000 usec
states:
    C1:                  type[C1] promotion[--] demotion[--] latency[000] usage[00000000] duration[00000000000000000000]
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