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From: John Baldwin <jhb@freebsd.org>
To: Gerrit =?iso-8859-1?q?K=FChn?= <gerrit@pmp.uni-hannover.de>
Date: Fri, 10 Oct 2008 11:22:15 -0400
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Cc: d@delphij.net, Jeremy Chadwick <koitsu@freebsd.org>,
	freebsd-stable@freebsd.org, jeff@freebsd.org
Subject: Re: Regression 7.0R -> 7-stable?
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On Friday 10 October 2008 06:22:05 am Gerrit K=FChn wrote:
> On Tue, 7 Oct 2008 12:05:35 -0400 John Baldwin <jhb@freebsd.org> wrote
> about Re: Regression 7.0R -> 7-stable?:
>=20
> JB> > Ok, I added options KDB and DDB to my kernel configuration and
> JB> > compiled with SCHED_ULE. However, after hanging the system does not
> JB> > react on Ctrl-Alt-Esc. Am I missing something?
>=20
> JB> Can you add VERBOSE_SYSINIT to your kernel config and do a boot -v?
>=20
> Ok, I just did that. Now I get some more info after "SMP: AP CPU #2
> Launched!" (omissions by me):
>=20
> cpu2 AP:
>  [list with ID, lint0, timer etc. like f=FCr CPU0 and cpu1]
> done.
> 0x[omitted]... ioapic0: Assigning ISA IRQ 1 to local APIC 0
> ioapic0: Assigning ISA IRQ 9 to local APIC1
> ioapic0: Assigning ISA IRQ 11 to local APIC2
> ioapic0: Assigning ISA IRQ 14 to local APIC0
> ioapic0: Assigning ISA IRQ 15 to local APIC1
> ioapic0: Assigning PCI IRQ 17 to local APIC2
> ioapic0: Assigning PCI IRQ 18 to local APIC0
> ioapic0: Assigning PCI IRQ 19 to local APIC1
> ioapic0: Assigning PCI IRQ 20 to local APIC2
> done.
>   0x[omitted]... done.
>   0x[omitted]... done.
> subsystem fffffff
>   0xffffffff804608c0(0)... x

Ok, can you run gdb on your kernel.debug and do

'l *0xffffffff804608c0'

=2D-=20
John Baldwin