RE:x86_64 Opteron dual core panics on boot

[Andreas Junge <ajunge@penguincomputing.com>]

FYI, we have the same kernel panic as described in Tom Duffy's message
when booting our dual (not dual core) Opteron 248's. About one in ten
boots ends up in a kernel panic.

Andreas Junge

-------------------------

Bootdata ok (command line is ro root=LABEL=/ rhgb console=ttyS0,38400n8
console=tty0 debug)
Linux version 2.6.11-1.27_FC3smp (bhcompile@crowe.devel.redhat.com) (gcc
version 3.4.3 20050227 (Red Hat 3.4.3-22)) #1 SMP Tue May 17 20:38:05
EDT 2005
BIOS-provided physical RAM map:
 BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
 BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
 BIOS-e820: 00000000000e6000 - 0000000000100000 (reserved)
 BIOS-e820: 0000000000100000 - 00000000bfff0000 (usable)
 BIOS-e820: 00000000bfff0000 - 00000000bfffe000 (ACPI data)
 BIOS-e820: 00000000bfffe000 - 00000000c0000000 (ACPI NVS)
 BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
 BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
 BIOS-e820: 00000000ff700000 - 0000000100000000 (reserved)
 BIOS-e820: 0000000100000000 - 0000000140000000 (usable)
ACPI: RSDP (v000 ACPIAM                                ) @
0x00000000000f7f00
ACPI: RSDT (v001 A M I  OEMRSDT  0x04000520 MSFT 0x00000097) @
0x00000000bfff0000
ACPI: FADT (v002 A M I  OEMFACP  0x04000520 MSFT 0x00000097) @
0x00000000bfff0200
ACPI: MADT (v001 A M I  OEMAPIC  0x04000520 MSFT 0x00000097) @
0x00000000bfff0390
ACPI: OEMB (v001 A M I  AMI_OEM  0x04000520 MSFT 0x00000097) @
0x00000000bfffe040
ACPI: SRAT (v001 A M I  OEMSRAT  0x04000520 MSFT 0x00000097) @
0x00000000bfff4520
ACPI: DSDT (v001  TUNA_ TUNA_110 0x00000110 INTL 0x02002026) @
0x0000000000000000
SRAT: PXM 0 -> APIC 0 -> Node 0
SRAT: PXM 1 -> APIC 1 -> Node 1
SRAT: Node 0 PXM 0 100000-7fffffff
SRAT: Node 1 PXM 1 80000000-bfffffff
SRAT: Node 0 PXM 0 0-7fffffff
Bootmem setup node 0 0000000000000000-000000007fffffff
Bootmem setup node 1 0000000080000000-00000000bfffffff
On node 0 totalpages: 524287
  DMA zone: 4096 pages, LIFO batch:1
  Normal zone: 520191 pages, LIFO batch:16
  HighMem zone: 0 pages, LIFO batch:1
On node 1 totalpages: 262143
  DMA zone: 0 pages, LIFO batch:1
  Normal zone: 262143 pages, LIFO batch:16
  HighMem zone: 0 pages, LIFO batch:1
Nvidia board detected. Ignoring ACPI timer override.
ACPI: Local APIC address 0xfee00000
ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
Processor #0 15:5 APIC version 16
ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
Processor #1 15:5 APIC version 16
ACPI: LAPIC (acpi_id[0x03] lapic_id[0x82] disabled)
ACPI: LAPIC (acpi_id[0x04] lapic_id[0x83] disabled)
ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23
ACPI: IOAPIC (id[0x03] address[0xfebff000] gsi_base[24])
IOAPIC[1]: apic_id 3, version 17, address 0xfebff000, GSI 24-27
ACPI: IOAPIC (id[0x04] address[0xfebfe000] gsi_base[28])
IOAPIC[2]: apic_id 4, version 17, address 0xfebfe000, GSI 28-31
ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
ACPI: BIOS IRQ0 pin2 override ignored.
ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
ACPI: IRQ9 used by override.
Setting APIC routing to flat
Using ACPI (MADT) for SMP configuration information
Checking aperture...
CPU 0: aperture @ 4000000 size 32 MB
Aperture from northbridge cpu 0 too small (32 MB)
No AGP bridge found
Your BIOS doesn't leave a aperture memory hole
Please enable the IOMMU option in the BIOS setup
This costs you 64 MB of RAM
Mapping aperture over 65536 KB of RAM @ 4000000
Built 2 zonelists
Kernel command line: ro root=LABEL=/ rhgb console=ttyS0,38400n8
console=tty0 debug
Initializing CPU#0
PID hash table entries: 4096 (order: 12, 131072 bytes)
time.c: Using 1.193182 MHz PIT timer.
time.c: Detected 2211.365 MHz processor.
Console: colour VGA+ 80x25
Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes)
Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes)
Memory: 3024176k/5242880k available (2317k kernel code, 0k reserved,
1224k data, 220k init)
Calibrating delay loop... 4308.99 BogoMIPS (lpj=2154496)
Security Framework v1.0.0 initialized
SELinux:  Initializing.
SELinux:  Starting in permissive mode
selinux_register_security:  Registering secondary module capability
Capability LSM initialized as secondary
Mount-cache hash table entries: 256 (order: 0, 4096 bytes)
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 1024K (64 bytes/line)
CPU 0(1) -> Node 0
Using local APIC NMI watchdog using perfctr0
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 1024K (64 bytes/line)
CPU 0(1) -> Node 0
CPU0: AMD Opteron(tm) Processor 248 stepping 0a
per-CPU timeslice cutoff: 1023.91 usecs.
task migration cache decay timeout: 2 msecs.
Booting processor 1/1 rip 6000 rsp ffff810081447f58
Initializing CPU#1
Calibrating delay loop... <7>spurious 8259A interrupt: IRQ7.
----------- [cut here ] --------- [please bite here ] ---------
Kernel BUG at timer:418
invalid operand: 0000 [1] SMP 
CPU 1 
Modules linked in:
Pid: 0, comm: swapper Not tainted 2.6.11-1.27_FC3smp
RIP: 0010:[<ffffffff80141c3e>] <ffffffff80141c3e>{cascade+46}
RSP: 0018:ffff810002c17ed0  EFLAGS: 00010087

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