With todays git I get (sn2_defconfig w/ spinlock debuggin): Uncompressing Linux... done Linux version 2.6.23-rc1 (clameter@schroedinger) (gcc version 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)) #3 SMP PREEMPT Tue Jul 31 22:42:03 PDT 2007 EFI v1.10 by INTEL: SALsystab=0x3002a09000 ACPI 2.0=0x3002a097f0 console [sn_sal0] enabled ACPI: RSDP 3002A097F0, 0024 (r2 SGI) ACPI: XSDT 3002A0E320, 0044 (r1 SGI XSDTSN2 10001 5C) ACPI: APIC 3002A09890, 008C (r1 SGI APICSN2 10001 1) ACPI: SRAT 3002A09930, 0150 (r1 SGI SRATSN2 10001 1) ACPI: SLIT 3002A09A90, 003C (r1 SGI SLITSN2 10001 1) ACPI: FACP 3002A09B30, 00F4 (r3 SGI FACPSN2 30001 1) ACPI: DSDT 3002A0D8A0, 0024 (r2 SGI DSDTSN2 20001 9BA) ACPI: FACS 3002A09AE0, 0040 Number of logical nodes in system = 4 Number of memory chunks in system = 4 SAL 2.9: SGI SN2 version 4.80 SAL Platform features: ITC_Drift SAL: AP wakeup using external interrupt vector 0x12 No logical to physical processor mapping available ACPI: Local APIC address c0000000fee00000 ACPI: Error parsing MADT - no IOSAPIC entries register_intr: No IOSAPIC for GSI 52 BUG: spinlock bad magic on CPU#0, swapper/0 lock: a000000100bf66d0, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0 unwind: cannot stack reg state! Call Trace: [<a000000100013900>] show_stack+0x40/0xa0 sp=a000000100b67a80 bsp=a000000100b610b8 unwind: cannot stack reg state! [<a000000100013990>] dump_stack+0x30/0x60 sp=a000000100b67c50 bsp=a000000100b610a0 unwind: cannot stack reg state! [<a000000100433010>] spin_bug+0x110/0x180 sp=a000000100b67c50 bsp=a000000100b61068 unwind: cannot stack reg state! [<a0000001004330d0>] _raw_spin_unlock+0x50/0x120 sp=a000000100b67c50 bsp=a000000100b61038 unwind: cannot stack reg state! [<a0000001007eb560>] _spin_unlock+0x20/0xa0 sp=a000000100b67c50 bsp=a000000100b61018 unwind: cannot stack reg state! [<a00000010004ec40>] iosapic_register_intr+0xb40/0xba0 sp=a000000100b67c50 bsp=a000000100b60fa8 unwind: cannot stack reg state! [<a00000010000a5e0>] acpi_register_gsi+0xc0/0xe0 - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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