Steven Rostedt cd3716ab40 [PATCH] Mobil Pentium 4 HT and the NMI ... I'm trying to get the nmi working with my laptop (IBM ThinkPad G41) and after debugging it a while, I found that the nmi code doesn't want to set it up for this particular CPU. Here I have: $ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Mobile Intel(R) Pentium(R) 4 CPU 3.33GHz stepping : 1 cpu MHz : 3320.084 cache size : 1024 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 3 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pni monitor ds_cpl est tm2 cid xtpr bogomips : 6642.39 processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Mobile Intel(R) Pentium(R) 4 CPU 3.33GHz stepping : 1 cpu MHz : 3320.084 cache size : 1024 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 3 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pni monitor ds_cpl est tm2 cid xtpr bogomips : 6637.46 And the following code shows: $ cat linux-2.6.13-rc6/arch/i386/kernel/nmi.c [...] void setup_apic_nmi_watchdog (void) { switch (boot_cpu_data.x86_vendor) { case X86_VENDOR_AMD: if (boot_cpu_data.x86 != 6 && boot_cpu_data.x86 != 15) return; setup_k7_watchdog(); break; case X86_VENDOR_INTEL: switch (boot_cpu_data.x86) { case 6: if (boot_cpu_data.x86_model > 0xd) return; setup_p6_watchdog(); break; case 15: if (boot_cpu_data.x86_model > 0x3) return; Here I get boot_cpu_data.x86_model == 0x4. So I decided to change it and reboot. I now seem to have a working NMI. So, unless there's something know to be bad about this processor and the NMI. I'm submitting the following patch. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Zwane Mwaikambo <zwane@arm.linux.org.uk> Acked-by: Mikael Pettersson <mikpe@csd.uu.se> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>		2005-08-19 18:44:56 -07:00
..
boot	[PATCH] coverity: i386: build.c: negative return to unsigned fix	2005-06-28 21:20:33 -07:00
crypto	[PATCH] arch/i386/crypto/aes.c: fix sparse warnings	2005-06-25 16:24:59 -07:00
kernel	[PATCH] Mobil Pentium 4 HT and the NMI	2005-08-19 18:44:56 -07:00
lib	[PATCH] Remove i386_ksyms.c, almost.	2005-06-23 09:45:11 -07:00
mach-default	[PATCH] x86_64: CPU hotplug support	2005-06-25 16:24:30 -07:00
mach-es7000
mach-generic
mach-visws	[PATCH] visws: linkage fix	2005-08-07 10:00:38 -07:00
mach-voyager	[PATCH] i386 voyager: Add machine_shutdown	2005-08-06 12:54:57 -07:00
math-emu
mm	[PATCH] Move the fix to align node_end_pfns to a proper location	2005-08-07 10:00:39 -07:00
oprofile	[PATCH] xen: x86: Rename usermode macro	2005-06-23 09:45:14 -07:00
pci	[PATCH] visws: linkage fix	2005-08-07 10:00:38 -07:00
power	[PATCH] MTRR suspend/resume cleanup	2005-07-07 18:23:42 -07:00
defconfig	[PATCH] swsusp: kill config_pm_disk	2005-06-25 16:24:32 -07:00
Kconfig	[PATCH] remove special HPET_EMULATE_RTC config option	2005-08-04 16:27:58 -07:00
Kconfig.debug	[PATCH] i386: add missing Kconfig help text	2005-07-27 16:25:58 -07:00
Makefile	[PATCH] biarch compiler support for i386	2005-06-23 09:45:07 -07:00