Re: 2.6.17 - weird, boot CPU (#0) not listed by the BIOS.

[Mark Hounschell <dmarkh@cfl.rr.com>]

Len Brown wrote:
> On Friday 12 January 2007 10:50, Mark Hounschell wrote:
>> Mark Hounschell wrote:
>>> I have a Tyan S4881 Thunder K8QW 4 processor (8 cores). Kernel 2.6.16.37 boots
>>> and runs fine.
>>> However kernel 2.6.17 and up doesn't. Here is my boot error msg.
>>>
>>>
>>> kernel /vmlinuz-2.6.17-smp  root=/dev/sda5inux version 2.6.17-smp (root@badboy1)
>>> (gcc version 4.1.0 (SUSE Linux)) #1 SMP PREEMPT Fri Jan 12 07:53:35 EST 2007
>>> BIOS-provided physical RAM map:
>>>  BIOS-e820: 0000000000000000 - 0000000000093800 (usable)
>>>  BIOS-e820: 0000000000093800 - 00000000000a0000 (reserved)
>>>  BIOS-e820: 00000000000c2000 - 0000000000100000 (reserved)
>>>  BIOS-e820: 0000000000100000 - 00000000cfea0000 (usable)
>>>  BIOS-e820: 00000000cfea0000 - 00000000cfea4000 (ACPI data)
>>>  BIOS-e820: 00000000cfea4000 - 00000000cff00000 (ACPI NVS)
>>>  BIOS-e820: 00000000cff00000 - 00000000d0000000 (reserved)
>>>  BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
>>>  BIOS-e820: 00000000fec00000 - 00000000fec00400 (reserved)
>>>  BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
>>>  BIOS-e820: 00000000fff80000 - 0000000100000000 (reserved)
>>>  BIOS-e820: 0000000100000000 - 0000000230000000 (usable)
>>> Warning only 4GB will be used.
>>> Use a PAE enabled kernel.
>>> 3200MB HIGHMEM available.
>>> 896MB LOWMEM available.
>>> found SMP MP-table at 000f71f0
>>> DMI present.
>>> ACPI: PM-Timer IO Port: 0x8008
>>> ACPI: LAPIC (acpi_id[0x00] lapic_id[0x10] enabled)
>>> Processor #16 15:1 APIC version 16
> 
> The APIC id for the 1st processor here is 16.
> Usually it is 0.
> 
> Apparently this has confused some of the smpboot code
> with all their new nifty bitmaps for processors online and offline...
> 
> Does the latest kernel work any better, say 2.6.19?
> What if you throw CONFIG_NR_CPUS=32 at it?
> 
> -Len
> 

CONFIG_NR_CPUS is set to 32. Even 2.6.20-rc4 does this.


>>> ACPI: LAPIC (acpi_id[0x01] lapic_id[0x11] enabled)
>>> Processor #17 15:1 APIC version 16
>>> ACPI: LAPIC (acpi_id[0x02] lapic_id[0x12] enabled)
>>> Processor #18 15:1 APIC version 16
>>> ACPI: LAPIC (acpi_id[0x03] lapic_id[0x13] enabled)
>>> Processor #19 15:1 APIC version 16
>>> ACPI: LAPIC (acpi_id[0x04] lapic_id[0x14] enabled)
>>> Processor #20 15:1 APIC version 16
>>> ACPI: LAPIC (acpi_id[0x05] lapic_id[0x15] enabled)
>>> Processor #21 15:1 APIC version 16
>>> ACPI: LAPIC (acpi_id[0x06] lapic_id[0x16] enabled)
>>> Processor #22 15:1 APIC version 16
>>> ACPI: LAPIC (acpi_id[0x07] lapic_id[0x17] enabled)
>>> Processor #23 15:1 APIC version 16
>>> ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
>>> ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
>>> ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
>>> ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
>>> ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1])
>>> ACPI: LAPIC_NMI (acpi_id[0x05] high edge lint[0x1])
>>> ACPI: LAPIC_NMI (acpi_id[0x06] high edge lint[0x1])
>>> ACPI: LAPIC_NMI (acpi_id[0x07] high edge lint[0x1])
>>> ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
>>> IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
>>> ACPI: IOAPIC (id[0x01] address[0xda200000] gsi_base[24])
>>> IOAPIC[1]: apic_id 1, version 17, address 0xda200000, GSI 24-27
>>> ACPI: IOAPIC (id[0x02] address[0xda201000] gsi_base[28])
>>> IOAPIC[2]: apic_id 2, version 17, address 0xda201000, GSI 28-31
>>> ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)
>>> Enabling APIC mode:  Flat.  Using 3 I/O APICs
>>> Using ACPI (MADT) for SMP configuration information
>>> Allocating PCI resources starting at d1000000 (gap: d0000000:10000000)
>>> Built 1 zonelists
>>> Kernel command line: root=/dev/sda5 vga=normal resume=/dev/sda2  splash=silent
>>> "console=ttyS0,19200"
>>> Enabling fast FPU save and restore... done.
>>> Enabling unmasked SIMD FPU exception support... done.
>>> Initializing CPU#0
>>> PID hash table entries: 4096 (order: 12, 16384 bytes)
>>> Detected 2411.454 MHz processor.
>>> Using pmtmr for high-res timesource
>>> Console: colour VGA+ 80x25
>>> Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
>>> Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
>>> Memory: 3366304k/4194304k available (1529k kernel code, 38968k reserved, 633k
>>> data, 184k init, 2488960k highmem)
>>> Checking if this processor honours the WP bit even in supervisor mode... Ok.
>>> Calibrating delay using timer specific routine.. 4827.61 BogoMIPS (lpj=9655232)
>>> Security Framework v1.0.0 initialized
>>> Capability LSM initialized
>>> Mount-cache hash table entries: 512
>>> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
>>> CPU: L2 Cache: 1024K (64 bytes/line)
>>> CPU 0(2) -> Core 0
>>> Intel machine check architecture supported.
>>> Intel machine check reporting enabled on CPU#0.
>>> Checking 'hlt' instruction... OK.
>>> Freeing SMP alternatives: 12k freed
>>> ACPI Warning (nsload-0106): Zero-length AML block in table [SSDT] [20060127]
>>> CPU0: AMD Athlon(tm) or Opteron(tm) CPU-model unknown stepping 02
>>> weird, boot CPU (#0) not listed by the BIOS.
>>>
>>> It then just reboots. Any ideas what I need to do for 2.6.17 and up kernels. I
>>> have tried all the
>>> way up to 2.6.20-rc4.
>>>
>>> Thanks
>>> Mark
>>>
>> Oh, I'm running in 32 bit mode on SuSE-10.2
>>
>> Mark
>> -
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