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Date: Mon, 28 Sep 2009 18:36:17 +0200 From: Pavel Machek <pavel@....cz> To: Michael Tokarev <mjt@....msk.ru> Cc: Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: 2.6.31: booting on a PIII Celeron? > Michael Tokarev wrote: > >Hello. > >I've a problem here with 2.6.31. kernel is > >compiled for PIII: > > > > CONFIG_MPENTIUMIII=y > > CONFIG_X86_GENERIC=y > > > >This kernel works on real PIII machine - like this: > > > >vendor_id : GenuineIntel > >cpu family : 6 > >model : 8 > >model name : Pentium III (Coppermine) > >stepping : 10 > >cpu MHz : 997.580 > > > >But it fails on a Celeron: > > > >vendor_id : GenuineIntel > >cpu family : 6 > >model : 8 > >model name : Celeron (Coppermine) > >stepping : 6 > >cpu MHz : 797.481 > > > > There's one more difference between the two: > > PIII, working: > flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pse36 > mmx fxsr sse up > Celeron, !working: > flags: fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pse36 mmx > fxsr sse up > > So the celeron machine lacks "apic" flag. And in my > kernel config, apic is enabled: > CONFIG_X86_LOCAL_APIC=y > CONFIG_X86_IO_APIC=y > (but not on the command line like apic=force) try 'noapic nolapic' to see if it helps? -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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