missing CPUs -- kernel-2.6.30.9-96.fc11.x86_64

[Steven P. Ulrick]

> Hi,
> 
> I just updated to the latest kernel in the updates of Fedora 11 and the
> system is no longer using the 2 quad-core chips
> The system is no longer seen as an SMP system using
> kernel-2.6.30.9-96.fc11.x86_64
> 
> ====================================================================
> Nov 16 11:27:41 nikka kernel: Initializing cgroup subsys ns
> Nov 16 11:27:41 nikka kernel: Initializing cgroup subsys cpuacct
> Nov 16 11:27:41 nikka kernel: Initializing cgroup subsys memory
> Nov 16 11:27:41 nikka kernel: Initializing cgroup subsys devices
> Nov 16 11:27:41 nikka kernel: Initializing cgroup subsys freezer
> Nov 16 11:27:41 nikka kernel: Initializing cgroup subsys net_cls
> Nov 16 11:27:41 nikka kernel: CPU: L1 I Cache: 64K (64 bytes/line), D
> cache 64K (64 bytes/line)
> Nov 16 11:27:41 nikka kernel: CPU: L2 Cache: 512K (64 bytes/line)
> Nov 16 11:27:41 nikka kernel: CPU 0/0x0 -> Node 0
> Nov 16 11:27:41 nikka kernel: CPU: Physical Processor ID: 0
> Nov 16 11:27:41 nikka kernel: CPU: Processor Core ID: 0
> Nov 16 11:27:41 nikka kernel: using C1E aware idle routine
> Nov 16 11:27:41 nikka kernel: SMP alternatives: switching to UP code
> Nov 16 11:27:41 nikka kernel: Freeing SMP alternatives: 31k freed
> Nov 16 11:27:41 nikka kernel: ACPI: Core revision 20090320
> Nov 16 11:27:41 nikka kernel: ACPI: setting ELCR to 0200 (from 8ca0)
> Nov 16 11:27:41 nikka kernel: ftrace: converting mcount calls to 0f 1f
> 44 00 00
> Nov 16 11:27:41 nikka kernel: ftrace: allocating 19364 entries in 76 pages
> Nov 16 11:27:41 nikka kernel: Failed to register trace ftrace module
> notifier
> Nov 16 11:27:41 nikka kernel: Setting APIC routing to flat
> Nov 16 11:27:41 nikka kernel: weird, boot CPU (#0) not listed by the BIOS.
> Nov 16 11:27:41 nikka kernel: SMP motherboard not detected.
> Nov 16 11:27:41 nikka kernel: Setting APIC routing to flat
> Nov 16 11:27:41 nikka kernel: SMP disabled
> Nov 16 11:27:41 nikka kernel: Brought up 1 CPUs
> Nov 16 11:27:41 nikka kernel: Total of 1 processors activated (4423.16
> BogoMIPS).
> ====================================================================
> 
> 
> 
> 
> On the same system the older kernel works fine:
> 2.6.27.21-78.2.41.fc9.x86_64
> 
> On identical hardware but different server also running Fedora 11;
> this kernel works fine:  2.6.30.9-90.fc11.x86_64
> 
> 
> Is  this broken?:  2.6.30.9-96.fc11.x86_64

Hello Kevin
I appear to be running the same kernel (2.6.30.9-96.fc11.x86_64)  My processor 
is a single Intel Xeon 2.0Ghz QuadCore.  The following seems to show that this 
kernel is not causing me the same grief that it is causing you:

[root at localhost log]# grep -i processor messages
Nov 15 19:31:49 localhost kernel: Detected 1995.181 MHz processor.
Nov 15 19:31:49 localhost kernel: CPU: Physical Processor ID: 0
Nov 15 19:31:49 localhost kernel: CPU: Processor Core ID: 0
Nov 15 19:31:49 localhost kernel: Booting processor 1 APIC 0x2 ip 0x6000
Nov 15 19:31:49 localhost kernel: CPU: Physical Processor ID: 0
Nov 15 19:31:49 localhost kernel: CPU: Processor Core ID: 1
Nov 15 19:31:49 localhost kernel: Booting processor 2 APIC 0x4 ip 0x6000
Nov 15 19:31:49 localhost kernel: CPU: Physical Processor ID: 0
Nov 15 19:31:49 localhost kernel: CPU: Processor Core ID: 2
Nov 15 19:31:49 localhost kernel: Booting processor 3 APIC 0x6 ip 0x6000
Nov 15 19:31:49 localhost kernel: CPU: Physical Processor ID: 0
Nov 15 19:31:49 localhost kernel: CPU: Processor Core ID: 3
Nov 15 19:31:49 localhost kernel: Total of 4 processors activated (15956.88 
BogoMIPS).
Nov 15 19:31:49 localhost kernel: processor ACPI_CPU:00: registered as 
cooling_device0
Nov 15 19:31:49 localhost kernel: processor ACPI_CPU:01: registered as 
cooling_device1
Nov 15 19:31:49 localhost kernel: processor ACPI_CPU:02: registered as 
cooling_device2
Nov 15 19:31:49 localhost kernel: processor ACPI_CPU:03: registered as 
cooling_device3
[root at localhost log]#

Steven P. Ulrick