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Date: Thu, 12 Feb 2004 19:09:42 +0100
From: Johan Pettersson <manlix@demonized.net>
To: kris@obsecurity.org
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cc: freebsd-current@freebsd.org
Subject: Re: Bad interrupt routing causes my SATA controller to fail.
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ata2: at 0xefe0 on atapci1
ata2: [MPSAFE]
ata3: at 0xefa0 on atapci1
ata3: [MPSAFE]
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)


Fatal trap 9: general protection fault while in kernel mode
cpuid = 0; apic id = 00
instruction pointer	= 0x58:0x2a40
stack pointer		= 0x10:0xf80
frame pointer		= 0x10:0x0
code segment		= base 0xc00f0000, limit 0xffff, type 0x1b
			= DPL 0, pres 1, def32 0, gran 0

processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 0 (swapper)
trap number		= 9
panic: general protection fault
at line 819 in file /usr/src/sys/i386/i386/trap.c
cpuid = 0;
Uptime: 1s
Automatic reboot in 15 seconds - press a key on the console to abort

> On Thu, Feb 12, 2004 at 02:38:06AM +0100, Johan Pettersson wrote:
> > 1) HTT + ACPI - Hangs with error on ad4
> > 2) no HTT + ACPI - Successful
> > 3) ACPI and no apic (set hint.apic.0.disabled=1 from loader) - Successfull
> > 4) no ACPI (set hint.acpi.0.disabled=1 from loader) - Kernel panic
> > 5) no ACPI and no APIC (set both hints above from loader) - Kernel panic
> > 
> > 3, 4, 5 was tested with HTT enabled in BIOS.
> 
> Can you please provide details of the kernel panic(s)?
> 
> Kris
>