init receiving SIGILL on XEN3_DOM0/amd64

To: port-xen%NetBSD.org@localhost
Subject: init receiving SIGILL on XEN3_DOM0/amd64
From: James Laird <abrasive%axdf.net@localhost>
Date: Sun, 18 May 2008 17:59:02 +1000

Hi,

I'm having trouble with a fresh -current build, running as Dom0 on amd64. init 
keeps getting bonked with signal 4 and restarting.
Someone else had the same trouble with a XEN3PAE_DOMU, which was magically 
resolved when something changed in CVS ( 
http://mail-index.netbsd.org/current-users/2008/05/01/msg002169.html ).

I've had a quick poke through the source tree, but I can't see anything 
obvious. Does anyone have any suggestions as to where to look for the trouble?

Thanks! -
James

Boot messages follow.

Xen version 3.1.4 (root@) (gcc version 4.1.2 20061021 prerelease (NetBSD nb3 
20061125)) Sun May 18 07:42:50 EST              2008
Latest ChangeSet: unavailable

(XEN) Command line: dom0_mem=65536 com1=115200,8n1
(XEN) Video information:
(XEN)  VGA is text mode 80x25, font 8x16
(XEN)  VBE/DDC methods: V2; EDID transfer time: 1 seconds
(XEN) Disc information:
(XEN)  Found 3 MBR signatures
(XEN)  Found 3 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN)  0000000000000000 - 000000000009f800 (usable)
(XEN)  000000000009f800 - 00000000000a0000 (reserved)
(XEN)  00000000000e0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 00000000cd9dc000 (usable)
(XEN)  00000000cd9dc000 - 00000000cda81000 (ACPI NVS)
(XEN)  00000000cda81000 - 00000000ceea3000 (usable)
(XEN)  00000000ceea3000 - 00000000ceea5000 (reserved)
(XEN)  00000000ceea5000 - 00000000cef84000 (usable)
(XEN)  00000000cef84000 - 00000000cefe5000 (ACPI NVS)
(XEN)  00000000cefe5000 - 00000000cefe9000 (usable)
(XEN)  00000000cefe9000 - 00000000cefff000 (ACPI data)
(XEN)  00000000cefff000 - 00000000cf000000 (usable)
(XEN)  00000000cf000000 - 00000000d0000000 (reserved)
(XEN)  00000000f0000000 - 00000000f8000000 (reserved)
(XEN)  00000000ffc00000 - 0000000100000000 (reserved)
(XEN)  0000000100000000 - 000000012c000000 (usable)
(XEN) System RAM: 4014MB (4110852kB)
(XEN) Xen heap: 14MB (15068kB)
(XEN) Domain heap initialised: DMA width 32 bits
(XEN) Processor #0 6:15 APIC version 20
(XEN) Processor #2 6:15 APIC version 20
(XEN) Processor #1 6:15 APIC version 20
(XEN) Processor #3 6:15 APIC version 20
(XEN) IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
(XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 2388.072 MHz processor.
(XEN) HVM: VMX enabled
(XEN) VMX: MSR intercept bitmap enabled
(XEN) CPU0: Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz stepping 0b
(XEN) Booting processor 1/2 eip 90000
(XEN) CPU1: Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz stepping 0b
(XEN) Booting processor 2/1 eip 90000
(XEN) CPU2: Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz stepping 0b
(XEN) Booting processor 3/3 eip 90000
(XEN) CPU3: Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz stepping 0b
(XEN) Total of 4 processors activated.
(XEN) ENABLING IO-APIC IRQs
(XEN)  -> Using new ACK method
(XEN) Platform timer overflows in 234 jiffies.
(XEN) Platform timer is 3.579MHz ACPI PM Timer
(XEN) Brought up 4 CPUs
(XEN) *** LOADING DOMAIN 0 ***
(XEN)  Xen  kernel: 64-bit, lsb, compat32
(XEN)  Dom0 kernel: 64-bit, lsb, paddr 0xffffffff80100000 -> 0xffffffff80881fd8
(XEN)  Dom0 symbol map 0xffffffff80881fd8 -> 0xffffffff8093abd0
(XEN) PHYSICAL MEMORY ARRANGEMENT:
(XEN)  Dom0 alloc.:   0000000127000000->0000000128000000 (12288 pages to be 
allocated)
(XEN) VIRTUAL MEMORY ARRANGEMENT:
(XEN)  Loaded kernel: ffffffff80100000->ffffffff8093abd0
(XEN)  Init. ramdisk: ffffffff8093b000->ffffffff8093b000
(XEN)  Phys-Mach map: ffffffff8093b000->ffffffff8095b000
(XEN)  Start info:    ffffffff8095b000->ffffffff8095b49c
(XEN)  Page tables:   ffffffff8095c000->ffffffff80965000
(XEN)  Boot stack:    ffffffff80965000->ffffffff80966000
(XEN)  TOTAL:         ffffffff80000000->ffffffff80c00000
(XEN)  ENTRY ADDRESS: ffffffff80100000
(XEN) Dom0 has maximum 4 VCPUs
(XEN) Scrubbing Free RAM: .......................................done.
(XEN) Xen trace buffers: disabled
(XEN) Std. Loglevel: Errors and warnings
(XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
(XEN) Xen is relinquishing VGA console.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input to 
Xen).
(XEN) Freed 100kB init memory.
Loaded initial symtab at 0xffffffff80881fdc, strtab at 0xffffffff808f0a98, # 
entries 18792
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
2006, 2007, 2008
The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California.  All rights reserved.

NetBSD 4.99.63 (WANGERNUMB0) #4: Sun May 18 22:59:08 EST 2008
root@numberwang:/usr/src/src/obj/sys/arch/amd64/compile/WANGERNUMB0
total memory = 65536 KB
avail memory = 53676 KB
SMBIOS rev. 2.4 @ 0xe23d0 (34 entries)
mainbus0 (root)
pmap_kenter_pa: pa 0x0 for va 0xffffa00005ee2000 outside range
pmap_kenter_pa: pa 0x9f000 for va 0xffffa00005ee2000 outside range
pmap_kenter_pa: pa 0x9f000 for va 0xffffa00005ee2000 outside range
pmap_kenter_pa: pa 0xf0000 for va 0xffffa00005ee2000 outside range
pmap_kenter_pa: pa 0xf1000 for va 0xffffa00005ee3000 outside range
pmap_kenter_pa: pa 0xf2000 for va 0xffffa00005ee4000 outside range
pmap_kenter_pa: pa 0xf3000 for va 0xffffa00005ee5000 outside range
pmap_kenter_pa: pa 0xf4000 for va 0xffffa00005ee6000 outside range
pmap_kenter_pa: pa 0xf5000 for va 0xffffa00005ee7000 outside range
pmap_kenter_pa: pa 0xf6000 for va 0xffffa00005ee8000 outside range
pmap_kenter_pa: pa 0xf7000 for va 0xffffa00005ee9000 outside range
pmap_kenter_pa: pa 0xf8000 for va 0xffffa00005eea000 outside range
pmap_kenter_pa: pa 0xf9000 for va 0xffffa00005eeb000 outside range
pmap_kenter_pa: pa 0xfa000 for va 0xffffa00005eec000 outside range
pmap_kenter_pa: pa 0xfb000 for va 0xffffa00005eed000 outside range
pmap_kenter_pa: pa 0xfc000 for va 0xffffa00005eee000 outside range
pmap_kenter_pa: pa 0xfd000 for va 0xffffa00005eef000 outside range
pmap_kenter_pa: pa 0xfe000 for va 0xffffa00005ef0000 outside range
pmap_kenter_pa: pa 0xff000 for va 0xffffa00005ef1000 outside range
pmap_kenter_pa: pa 0xfe000 for va 0xffffa00005ee2000 outside range
pmap_kenter_pa: pa 0xfe000 for va 0xffffa00005ee3000 outside range
pmap_kenter_pa: pa 0xfe000 for va 0xffffa00005ee3000 outside range
cpu0 at mainbus0 apid 0: (boot processor)
cpu1 at mainbus0 apid 2: (application processor)
cpu2 at mainbus0 apid 1: (application processor)
cpu3 at mainbus0 apid 3: (application processor)
ioapic0 at mainbus0 apid 2, virtual wire mode
(XEN) ioapic_guest_write: apic=0, pin=2, old_irq=0, new_irq=-1
(XEN) ioapic_guest_write: old_entry=000009f0, new_entry=00010900
(XEN) ioapic_guest_write: Attempt to remove IO-APIC pin of in-use IRQ!
(XEN) ioapic_guest_write: apic=0, pin=4, old_irq=4, new_irq=-1
(XEN) ioapic_guest_write: old_entry=000009f1, new_entry=00010900
(XEN) ioapic_guest_write: Attempt to remove IO-APIC pin of in-use IRQ!
ioapic0: can't remap to apid 2
hypervisor0 at mainbus0
vcpu0 at hypervisor0: Intel 686-class, 2388MHz, id 0x6fb
vcpu0: 64 page colors
xenbus0 at hypervisor0: Xen Virtual Bus Interface
xencons0 at hypervisor0: Xen Virtual Console Driver
acpi0 at hypervisor0: Advanced Configuration and Power Interface
[...]
Kernelized RAIDframe activated
Searching for RAID components...
boot device: <unknown>
root device: wd2a
dump device (default wd2b):
file system (default generic): ffs
root on wd2a dumps on wd2b
init path (default /sbin/init):
init: copying out path `/sbin/init' 11
Process (pid 1) got sig 4
Process (pid 1) got sig 4
Process (pid 1) got sig 4
[...]

Follow-Ups:
- Re: init receiving SIGILL on XEN3_DOM0/amd64
  - From: Mikolaj Golub
- Re: init receiving SIGILL on XEN3_DOM0/amd64
  - From: Matthias Scheler
- Re: init receiving SIGILL on XEN3_DOM0/amd64
  - From: Manuel Bouyer

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