https://bugzilla.kernel.org/show_bug.cgi?id=57471
Summary: 12 core system configured for flat interrupt mode Product: ACPI Version: 2.5 Kernel Version: 3.8.2 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Config-Processors AssignedTo: acpi_config-process...@kernel-bugs.osdl.org ReportedBy: erben...@comcast.net Regression: No Sandy Bridge-E 6 core/HT (12 processors) is being configured in logical flat mode. >From dmesg: [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x03] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x04] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x05] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x06] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x07] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x08] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x09] lapic_id[0x09] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x0a] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x0b] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x00] disabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x00] disabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x00] disabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x00] disabled) Once booted i checked the local apic's: cpu 0 logical 01000000 physical 00000000 cpu 1 logical 02000000 physical 01000000 cpu 2 logical 04000000 physical 02000000 cpu 3 logical 08000000 physical 03000000 cpu 4 logical 10000000 physical 04000000 cpu 5 logical 20000000 physical 05000000 cpu 6 logical 40000000 physical 06000000 cpu 7 logical 80000000 physical 07000000 cpu 8 logical 00000000 physical 08000000 cpu 9 logical 00000000 physical 09000000 cpu 10 logical 00000000 physical 0a000000 cpu 11 logical 00000000 physical 0b000000 I would have expected cluster mode with logical id's (in hex): 01,02,04,08,11,12,14,18,21,22,24,28 x0 isnt a valid cluster id as the lower nibble is a mask meaning only 1,2,4,8 are selectable. Flat mode is only capable of supporting 8 processors or less. -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite It's a free troubleshooting tool designed for production Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://p.sf.net/sfu/appdyn_d2d_ap2 _______________________________________________ acpi-bugzilla mailing list acpi-bugzilla@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla