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[Qemu-devel] SeaBIOS error with Juniper FreeBSD kernel

From: Brandon Bennett
Subject: [Qemu-devel] SeaBIOS error with Juniper FreeBSD kernel
Date: Sat, 20 Feb 2010 17:23:59 -0700

When booting a Juniper JunOS kernel (FreeBSD based) I am getting a
panic: unkown/reserved trap error immediately after the kernel loads.
If i use an older pc-bios with the '-bios' option everything works so
it seems to be an issue with the SeaBios.

With #DEBUG_BIOS enabled in hw/pc.c here is what i am getting during boot.

address@hidden:~/Lab/JNCIP-M$ qemu -m 512m -hda
olive-base-8.1R4.3.img -cdrom 4.11-RELEASE-i386-miniinst.iso -boot c
-localtime -nographic
Start bios (version 0.5.1-20100111_132716-squirrel.codemonkey.ws)
Ram Size=0x20000000 (0x0000000000000000 high)
CPU Mhz=3000
Found 1 cpu(s) max supported 1 cpu(s)
PIIX3/PIIX4 init: elcr=00 0c
PCI: bus=0 devfn=0x00: vendor_id=0x8086 device_id=0x1237
PCI: bus=0 devfn=0x08: vendor_id=0x8086 device_id=0x7000
PCI: bus=0 devfn=0x09: vendor_id=0x8086 device_id=0x7010
region 4: 0x0000c000
PCI: bus=0 devfn=0x0b: vendor_id=0x8086 device_id=0x7113
PCI: bus=0 devfn=0x10: vendor_id=0x1013 device_id=0x00b8
region 0: 0xe0000000
region 1: 0xe2000000
region 6: 0xe2010000
PCI: bus=0 devfn=0x18: vendor_id=0x8086 device_id=0x100e
region 0: 0xe2020000
region 1: 0x0000c040
region 6: 0xe2040000
MP table addr=0x000f89b0 MPC table addr=0x000f89c0 size=224
SMBIOS ptr=0x000f8990 table=0x1ffffef0
ACPI tables: RSDP=0x000f8960 RSDT=0x1fffde30
Scan for VGA option rom
Running option rom at c000:0003
VGABios $Id$
Turning on vga console
Starting SeaBIOS (version 0.5.1-20100111_132716-squirrel.codemonkey.ws)

Found 1 lpt ports
Found 1 serial ports
ATA controller 0 at 1f0/3f4/c000 (irq 14 dev 9)
ATA controller 1 at 170/374/c008 (irq 15 dev 9)
ps2 irq but no data.
ata0-0: PCHS=16383/16/63 translation=lba LCHS=1024/255/63
ps2_recvbyte timeout
keyboard initialized
Scan for option roms
Running option rom at c900:0003
pnp call arg1=60
pmm call arg1=0
pmm call arg1=2
pmm call arg1=0
Returned 53248 bytes of ZoneHigh
e820 map has 6 items:
  0: 0000000000000000 - 000000000009f400 = 1
  1: 000000000009f400 - 00000000000a0000 = 2
  2: 00000000000f0000 - 0000000000100000 = 2
  3: 0000000000100000 - 000000001fffd000 = 1
  4: 000000001fffd000 - 0000000020000000 = 2
  5: 00000000fffc0000 - 0000000100000000 = 2
enter handle_19:
Booting from Hard Disk...
Booting from 0000:7c00
Console: serial port
BIOS drive C: is disk0
BIOS 637kB/523252kB available memory

FreeBSD/i386 bootstrap loader, Revision 0.8
(address@hidden, Fri Aug 24 16:01:34 GMT 2007)
Loading /boot/defaults/loader.conf
/boot/installer text=0x24c77f data=0x2aa7c+0x38462
Hit [Enter] to boot immediately, or space bar for command prompt.
Booting [installer]...
kernel trap 12 with interrupts disabled
instruction pointer     = 0x8:0xc02ebc3e
stack pointer           = 0x10:0xc07f9edc
frame pointer           = 0x10:0xc07f9f34
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, IOPL = 0
current process         = Idle
interrupt mask          = net tty bio cam
trap number             = 30
dog: ERROR - reset of uninitialized watchdog
panic: unknown/reserved trap
(null)(c037dbc0,c037dbc0,c032d5c4,c07f9df0,5) at0
(null)(c032d5c4,1e,c07f9f34,0,0) at0
(null)(c07f9e9c,0,c07f9ef4,c01951ed) at0
(null)(10,10,10,0,c) at0
(null)(10,10,10,0,7fe000) at0
(null)(2) at0
(null)(c07f9ff4,c02e569c,0,81,7fe000) at0
(null)(c07f9fd4,f,3,8,0) at0
(null)(7fe000,0,0,0,0) at0
(null)() at0
dog: ERROR - reset of uninitialized watchdog
dog: ERROR - reset of uninitialized watchdog
Uptime: 0s

Any help or direction on where to look further or options to try would be great.


-Brandon Bennett

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