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On Friday 10 November 2006 06:15, Andrew Morton wrote: > On Fri, 10 Nov 2006 05:49:08 +0100 > Andi Kleen <ak@suse.de> wrote: > > > > > > > > > > > > > Well, I've got some data from earlyprintk (forgot I needed to boot with > > > > > vga=normal). > > > > > > > > > > Unfortunately, I had to rewrite the trace manually: > > > > > > > > > > clear_IO_APIC_pin+0x15/0x6a > > > > > try_apic_pin+0x7a/0x98 > > > > > setup_IO_APIC+0x600/0xb7a > > > > > smp_prepare_cpus+0x33a/0x371 > > > > > init+0x60/0x32d > > > > > child_rip+0xa/0x12 > > > > > > > > > > [And then the unwinder said it got stuck.] > > > > > > > > > > RIP is reported to be at ioapic_read_entry+0x33/0x61, > > > > > > > > This is 100% reproducible on the nx6325 (but not on the other boxes) and > > > > apparently caused by x86_64-mm-try-multiple-timer-pins.patch (doesn't > > > > happen with this patch reverted). > > > > > > Thanks, dropped. > > > > can I have details please? > > I think what's in this thread is all you'll get. That's probably not enough then. > > It would be nice to see the access address. I'd be guessing that it's > trying to read the io-apic before we're ready to read it and io_apic_base() > is returning gunk and boom. I would like to see the full output from the earlyprintk crash please. .jpg would be ok. > > > On what system (CPU, motherboard, BIOS version) does the noidlehz stuff break? > > nx6325 Ah -- it seems to be an ATI chipset. I tested it on a ATI chipset machine here so it must be doing something strange. Anyways, you most likely broke a wide range of other motherboards again by dropping it. > > It's x86_64: no noidlehz. > > > And what did you drop exactly? > > x86_64-mm-try-multiple-timer-pins.patch Ah that was the information I was missing. -Andi - 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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