Messages in this thread | | | Date | Sun, 23 Apr 2006 14:15:19 -0700 | From | Andrew Morton <> | Subject | Re: 2.6.17-rc1: kernel only boots one CPU on HT system |
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Kevin Baradon <kevin.baradon@gmail.com> wrote: > > Hello, > > Starting with kernel 2.6.17-rc1 (also happens with 2.6.17-rc2), second > logical-CPU of my Hyperthreading system no longer boots. > > I tracked up changes in APIC code, and it appears reverting commit > 7c5c1e427b5e83807fd05419d1cf6991b9d87247 fixes this bug.
That helps heaps, thanks.
> See both dmesgs, and kernel configuration attached. > > Feel free to ask me if you need other informations. > Please CC me as I'm not subscribed to LKML. > > > Hardware : > ------------------------------ > MB: Gigabyte GA-8SINXP1394 > CPU: Intel Pentium 4 3.06Ghz HT > RAM: Corsair 512Mo > > cat /proc/cpuinfo: (patched kernel) > ------------------------------ > processor : 0 > vendor_id : GenuineIntel > cpu family : 15 > model : 2 > model name : Intel(R) Pentium(R) 4 CPU 3.06GHz > stepping : 7 > cpu MHz : 3081.400 > cache size : 512 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 : 2 > 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 cid > bogomips : 6165.74 > > processor : 1 > vendor_id : GenuineIntel > cpu family : 15 > model : 2 > model name : Intel(R) Pentium(R) 4 CPU 3.06GHz > stepping : 7 > cpu MHz : 3081.400 > cache size : 512 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 : 2 > 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 cid > bogomips : 6162.10 > > cat /proc/interrupts : (patched kernel) > ----------------------------- > CPU0 CPU1 > 0: 2143303 6647 IO-APIC-edge timer > 1: 15 9 IO-APIC-edge i8042 > 4: 7 1 IO-APIC-edge serial > 8: 19518 1 IO-APIC-edge rtc > 9: 0 0 IO-APIC-level acpi > 15: 37053 23 IO-APIC-edge ide1 > 16: 240872 1 IO-APIC-level cx88[0], eth-lan > 17: 11128 19 IO-APIC-level ide2, ide3 > 18: 63432 4 IO-APIC-level libata, ohci1394, CS46XX > 19: 0 3 IO-APIC-level ehci_hcd:usb1 > 20: 457635 195 IO-APIC-level ohci_hcd:usb2 > 21: 0 0 IO-APIC-level ohci_hcd:usb3 > 22: 0 0 IO-APIC-level ohci_hcd:usb4 > NMI: 2149889 2149786 > LOC: 2150122 2150121 > ERR: 0 > MIS: 0 >
Shaohua, I'll queue up a reversion patch so this doesn't get forgotten about but I won't send it to Linus at this stage. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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