Public bug reported:
Binary package hint: linux-image-2.6.20-13-generic
Usually when I boot an SMP kernel, it fails to detect the 2nd CPU
(hyper-threading).
Maybe it succeeds 10% of the time.
Here's the dmesg output; what else is needed?
[ 0.000000] Linux version 2.6.20-13-lowlatency ([EMAIL PROTECTED]) (gcc
version 4.1.2 (Ubuntu 4.1.2-0ubuntu4)) #2 SMP PREEMPT Sun Mar 25 00:23:53 UTC
2007
(Ubuntu Unofficial)
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] sanitize start
[ 0.000000] sanitize end
[ 0.000000] copy_e820_map() start: 0000000000000000 size: 000000000009fc00
end: 000000000009fc00 type: 1
[ 0.000000] copy_e820_map() type is E820_RAM
[ 0.000000] copy_e820_map() start: 000000000009fc00 size: 0000000000000400
end: 00000000000a0000 type: 2
[ 0.000000] copy_e820_map() start: 00000000000f0000 size: 0000000000010000
end: 0000000000100000 type: 2
[ 0.000000] copy_e820_map() start: 0000000000100000 size: 000000001fef0000
end: 000000001fff0000 type: 1
[ 0.000000] copy_e820_map() type is E820_RAM
[ 0.000000] copy_e820_map() start: 000000001fff0000 size: 0000000000003000
end: 000000001fff3000 type: 4
[ 0.000000] copy_e820_map() start: 000000001fff3000 size: 000000000000d000
end: 0000000020000000 type: 3
[ 0.000000] copy_e820_map() start: 00000000fec00000 size: 0000000001400000
end: 0000000100000000 type: 2
[ 0.000000] BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
[ 0.000000] BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
[ 0.000000] BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
[ 0.000000] BIOS-e820: 0000000000100000 - 000000001fff0000 (usable)
[ 0.000000] BIOS-e820: 000000001fff0000 - 000000001fff3000 (ACPI NVS)
[ 0.000000] BIOS-e820: 000000001fff3000 - 0000000020000000 (ACPI data)
[ 0.000000] BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
[ 0.000000] 0MB HIGHMEM available.
[ 0.000000] 511MB LOWMEM available.
[ 0.000000] found SMP MP-table at 000f53a0
[ 0.000000] Entering add_active_range(0, 0, 131056) 0 entries of 256 used
[ 0.000000] Zone PFN ranges:
[ 0.000000] DMA 0 -> 4096
[ 0.000000] Normal 4096 -> 131056
[ 0.000000] HighMem 131056 -> 131056
[ 0.000000] early_node_map[1] active PFN ranges
[ 0.000000] 0: 0 -> 131056
[ 0.000000] On node 0 totalpages: 131056
[ 0.000000] DMA zone: 32 pages used for memmap
[ 0.000000] DMA zone: 0 pages reserved
[ 0.000000] DMA zone: 4064 pages, LIFO batch:0
[ 0.000000] Normal zone: 991 pages used for memmap
[ 0.000000] Normal zone: 125969 pages, LIFO batch:31
[ 0.000000] HighMem zone: 0 pages used for memmap
[ 0.000000] DMI 2.3 present.
[ 0.000000] ACPI: RSDP (v000 IntelR ) @
0x000f6d80
[ 0.000000] ACPI: RSDT (v001 IntelR AWRDACPI 0x42302e31 AWRD 0x00000000) @
0x1fff3000
[ 0.000000] ACPI: FADT (v001 IntelR AWRDACPI 0x42302e31 AWRD 0x00000000) @
0x1fff3040
[ 0.000000] ACPI: MADT (v001 IntelR AWRDACPI 0x42302e31 AWRD 0x00000000) @
0x1fff7240
[ 0.000000] ACPI: DSDT (v001 INTELR AWRDACPI 0x00001000 MSFT 0x0100000e) @
0x00000000
[ 0.000000] ACPI: PM-Timer IO Port: 0x408
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[ 0.000000] Processor #0 15:2 APIC version 20
[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
[ 0.000000] Processor #1 15:2 APIC version 20
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
[ 0.000000] ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
[ 0.000000] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.000000] ACPI: IRQ0 used by override.
[ 0.000000] ACPI: IRQ2 used by override.
[ 0.000000] ACPI: IRQ9 used by override.
[ 0.000000] Enabling APIC mode: Flat. Using 1 I/O APICs
[ 0.000000] Using ACPI (MADT) for SMP configuration information
[ 0.000000] Allocating PCI resources starting at 30000000 (gap:
20000000:dec00000)
[ 0.000000] Detected 2793.118 MHz processor.
[ 26.233694] Built 1 zonelists. Total pages: 130033
[ 26.233698] Kernel command line:
root=UUID=983492f3-99eb-4dc4-a47d-afd1bde6ea94 ro quiet splash
[ 26.233844] mapped APIC to ffffd000 (fee00000)
[ 26.233846] mapped IOAPIC to ffffc000 (fec00000)
[ 26.233849] Enabling fast FPU save and restore... done.
[ 26.233852] Enabling unmasked SIMD FPU exception support... done.
[ 26.233862] Initializing CPU#0
[ 26.233926] PID hash table entries: 2048 (order: 11, 8192 bytes)
[ 26.235253] Console: colour VGA+ 80x25
[ 26.235469] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 26.235666] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 26.245691] Memory: 510104k/524224k available (2018k kernel code, 13548k
reserved, 899k data, 328k init, 0k highmem)
[ 26.245700] virtual kernel memory layout:
[ 26.245701] fixmap : 0xfff4e000 - 0xfffff000 ( 708 kB)
[ 26.245702] pkmap : 0xff800000 - 0xffc00000 (4096 kB)
[ 26.245703] vmalloc : 0xe0800000 - 0xff7fe000 ( 495 MB)
[ 26.245704] lowmem : 0xc0000000 - 0xdfff0000 ( 511 MB)
[ 26.245705] .init : 0xc03df000 - 0xc0431000 ( 328 kB)
[ 26.245706] .data : 0xc02f8a95 - 0xc03d96d4 ( 899 kB)
[ 26.245707] .text : 0xc0100000 - 0xc02f8a95 (2018 kB)
[ 26.245710] Checking if this processor honours the WP bit even in supervisor
mode... Ok.
[ 26.304798] Calibrating delay using timer specific routine.. 5588.37
BogoMIPS (lpj=2794187)
[ 26.304844] Security Framework v1.0.0 initialized
[ 26.304851] SELinux: Disabled at boot.
[ 26.304872] Mount-cache hash table entries: 512
[ 26.305023] CPU: After generic identify, caps: bfebfbff 00000000 00000000
00000000 00004400 00000000 00000000
[ 26.305036] CPU: Trace cache: 12K uops, L1 D cache: 8K
[ 26.305038] CPU: L2 cache: 512K
[ 26.305040] CPU: Physical Processor ID: 0
[ 26.305043] CPU: After all inits, caps: bfebfbff 00000000 00000000 00003080
00004400 00000000 00000000
[ 26.305053] Compat vDSO mapped to ffffe000.
[ 26.305056] Remapping vsyscall page to ffffe000
[ 26.305068] Checking 'hlt' instruction... OK.
[ 26.308877] SMP alternatives: switching to UP code
[ 26.309153] Early unpacking initramfs... done
[ 26.528095] ACPI: Core revision 20060707
[ 26.533985] ACPI: Looking for DSDT in initramfs... error, file /DSDT.aml not
found.
[ 26.537539] CPU0: Intel(R) Pentium(R) 4 CPU 2.80GHz stepping 09
[ 26.537565] SMP alternatives: switching to SMP code
[ 26.537679] Booting processor 1/1 eip 3000
[ 31.669074] Not responding.
[ 31.669077] Inquiring remote APIC #1...
[ 31.669079] ... APIC #1 ID: failed
[ 31.669183] ... APIC #1 VERSION: failed
[ 31.669287] ... APIC #1 SPIV: failed
[ 31.669390] CPU #1 not responding - cannot use it.
[ 31.669423] Total of 1 processors activated (5588.37 BogoMIPS).
[ 31.669564] ENABLING IO-APIC IRQs
[ 31.669759] ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 31.781595] Brought up 1 CPUs
[ 31.782046] Booting paravirtualized kernel on bare hardware
[ 31.782150] Time: 7:32:07 Date: 02/28/107
** Affects: linux-source-2.6.20 (Ubuntu)
Importance: Undecided
Status: Unconfirmed
--
Usually misses 2nd processor
https://launchpad.net/bugs/97554
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