Messages in this thread | | | Date | Sun, 13 Apr 2008 10:54:09 -0700 | From | "Yinghai Lu" <> | Subject | Re: apic doesn't work with 32bit kernel (fine with 64bit) [asus m2n-mx se+] |
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On Sun, Apr 13, 2008 at 5:59 AM, Christoph Pfister <christophpfister@gmail.com> wrote: > Am Sonntag 13 April 2008 01:15:51 schrieb Yinghai Lu: > > > On Sat, Apr 12, 2008 at 12:20 PM, Christoph Pfister > > > > <christophpfister@gmail.com> wrote: > > > Hi, > > > > > > Using a new motherboard, I came across a kernel panic (dmesg using > > > 2.6.25-rc9 [x86_32] transcribed from screenshot attached; also dmesg when > > > using "apic=debug"). > > > The system works nearly fine when using "noapic" (setting rtc doesn't > > > work). > > > > > > Everything (including apic and rtc) works like a charm when I use the > > > x86_64 version with (nearly) the same kernel config (dmesg attached as > > > well). > > > > how about booting 64 bit apic=debug? > > Attached. > > > > wonder if using kexec to load 32bit kernel from 64 bit kernel help. > > What should it help? Btw, grabbed a good old RS232 cable to get more than 25 > lines of dmesg :) - attached as well.
only difference, it seems 32bit enable io_apic after all cpus up. and 64 bit will enable that just after first cpu.
YH
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