Hang on booting 2.6.3 at "Edge set to Level Trigger"

Hang on booting 2.6.3 at "Edge set to Level Trigger"

[Philipp]

Hi there

I got an ACPI problem on my Compaq Presario 700.
When I boot Mandrake 10.0 with its 2.6.3-4mdk kernel and ACPI enabled the 
bootprocess hangs here:
[...]
ACPI: Subsystem revision 20040211
Looking for DSDT initrd...not found!
ACPI: IRQ10 SCI: Edge set to Level Trigger

This happens wether noapic was given as kernel parameter or not. The system 
just boots properly with ACPI disabled. Can anybody help me with that 
problem? Thank you for suggestions.

Regards
Philipp



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Re: Hang on booting 2.6.3 at "Edge set to Level Trigger"

[Sérgio M. Basto]

easy one, disable SMP and APIC in kernel configuration or boot with
something like this: noloapic 


On Thu, 2004-03-18 at 17:45, Philipp wrote:
> Hi there
> 
> I got an ACPI problem on my Compaq Presario 700.
> When I boot Mandrake 10.0 with its 2.6.3-4mdk kernel and ACPI enabled the 
> bootprocess hangs here:
> [...]
> ACPI: Subsystem revision 20040211
> Looking for DSDT initrd...not found!
> ACPI: IRQ10 SCI: Edge set to Level Trigger
> 
> This happens wether noapic was given as kernel parameter or not. The system 
> just boots properly with ACPI disabled. Can anybody help me with that 
> problem? Thank you for suggestions.
> 
> Regards
> Philipp

-- 
Sérgio M. Basto <sergiomb-hHo3WeeoaswVhHzd4jOs4w@public.gmane.org>



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Re: Hang on booting 2.6.3 at "Edge set to Level Trigger"

[Philipp]

Am Freitag, 19. März 2004 10:46 schrieb Sérgio "M. Basto":
> easy one, disable SMP and APIC in kernel configuration or boot with
> something like this: noloapic

Unfortunately, booting with noapic or noloapic takes no effect. dmesg always 
shows something like

Local APIC disabled by BIOS -- reenabling.
Found and enabled local APIC!

And if I boot with "noapic acpi=on" or "noloapic acpi=on" the boot process 
hangs on the "Edge set to Level Trigger"-Point.

I guess I have to recompile the kernel with APIC disabled, right?


>
> On Thu, 2004-03-18 at 17:45, Philipp wrote:
> > Hi there
> >
> > I got an ACPI problem on my Compaq Presario 700.
> > When I boot Mandrake 10.0 with its 2.6.3-4mdk kernel and ACPI enabled the
> > bootprocess hangs here:
> > [...]
> > ACPI: Subsystem revision 20040211
> > Looking for DSDT initrd...not found!
> > ACPI: IRQ10 SCI: Edge set to Level Trigger
> >
> > This happens wether noapic was given as kernel parameter or not. The
> > system just boots properly with ACPI disabled. Can anybody help me with
> > that problem? Thank you for suggestions.
> >
> > Regards
> > Philipp



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Re: Hang on booting 2.6.3 at "Edge set to Level Trigger"

[Sergey Vlasov]

On Fri, 19 Mar 2004 15:32:53 +0100 Philipp wrote:

> Am Freitag, 19. M_rz 2004 10:46 schrieb S_rgio "M. Basto":
> > easy one, disable SMP and APIC in kernel configuration or boot with
> > something like this: noloapic
> 
> Unfortunately, booting with noapic or noloapic takes no effect. dmesg always 
> shows something like
> 
> Local APIC disabled by BIOS -- reenabling.
> Found and enabled local APIC!
> 
> And if I boot with "noapic acpi=on" or "noloapic acpi=on" the boot process 
> hangs on the "Edge set to Level Trigger"-Point.

There was a typo here - the correct option is "nolapic".



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Re: Re: Hang on booting 2.6.3 at "Edge set to Level Trigger"

[Philipp]

>
> There was a typo here - the correct option is "nolapic".
>
That was it! ACPI could be enabled now. Thank you!



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Re: Hang on booting 2.6.3 at "Edge set to Level Trigger"

[Len Brown]

On Fri, 2004-03-19 at 09:32, Philipp wrote:
> 
> Am Freitag, 19. März 2004 10:46 schrieb Sérgio "M. Basto":
> > easy one, disable SMP and APIC in kernel configuration or boot with
> > something like this: noloapic
> 
> Unfortunately, booting with noapic or noloapic takes no effect. dmesg always 
> shows something like
> 
> Local APIC disabled by BIOS -- reenabling.
> Found and enabled local APIC!

In 2.6.3, "nolapic" should be effective at disabling detect_init_APIC()
which is doing this.  Check that there has not been some modification to
arch/i386/kernel/apic.c

> And if I boot with "noapic acpi=on" or "noloapic acpi=on" the boot process 
> hangs on the "Edge set to Level Trigger"-Point.
> 
> I guess I have to recompile the kernel with APIC disabled, right?

I guess so.
CONFIG_X86_LOCAL_APIC=n

-Len




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