From: Andrew Morton <akpm@osdl.org>
To: Kevin Baradon <kevin.baradon@gmail.com>
Cc: linux-kernel@vger.kernel.org, "Li, Shaohua" <shaohua.li@intel.com>
Subject: Re: 2.6.17-rc1: kernel only boots one CPU on HT system
Date: Sun, 23 Apr 2006 14:15:19 -0700 [thread overview]
Message-ID: <20060423141519.314ae567.akpm@osdl.org> (raw)
In-Reply-To: <200604231434.59966.Kevin.Baradon@gmail.com>
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.
next prev parent reply other threads:[~2006-04-23 21:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-23 12:34 2.6.17-rc1: kernel only boots one CPU on HT system Kevin Baradon
2006-04-23 21:15 ` Andrew Morton [this message]
2006-04-24 1:57 ` Shaohua Li
2006-04-24 17:26 ` Kevin Baradon
2006-04-25 1:53 ` Shaohua Li
2006-05-15 21:26 ` Kevin Baradon
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