Re: 2.6.37 says WARNING: at arch/x86/kernel/apic/apic.c:1287 setup_local_APIC+0x18f/0x263()

From: Maciej Rutecki
Date: Wed Jan 26 2011 - 15:38:54 EST


I created a Bugzilla entry at
https://bugzilla.kernel.org/show_bug.cgi?id=27642
for your bug report, please add your address to the CC list in there, thanks!
On wtorek, 18 stycznia 2011 o 14:11:36 Rob Landley wrote:
> Booting an x86-64 2.6.37 kernel under QEMU with the attached .config and
> this qemu command line:
>
> qemu-system-x86_64 -nographic -no-reboot -kernel "zImage-x86_64" \
> -hda "image-x86_64.sqf" -append \
> "root=/dev/hda rw init=/sbin/init.sh panic=1 PATH=/bin:/sbin
> console=ttyS0 HOST=x86_64"
>
> It said this during boot:
>
> CPU: AMD QEMU Virtual CPU version 0.13.50 stepping 03
> Setting APIC routing to flat
> ------------[ cut here ]------------
> WARNING: at arch/x86/kernel/apic/apic.c:1287 setup_local_APIC+0x18f/0x263()
> Hardware name: Bochs
> Pid: 1, comm: swapper Not tainted 2.6.37 #1
> Call Trace:
> [<ffffffff812dc36d>] ? setup_local_APIC+0x18f/0x263
> [<ffffffff8101c86b>] ? warn_slowpath_common+0x73/0x88
> [<ffffffff812dc36d>] ? setup_local_APIC+0x18f/0x263
> [<ffffffff812c6155>] ? APIC_init_uniprocessor+0x99/0x109
> [<ffffffff812bf886>] ? kernel_init+0x5e/0x122
> [<ffffffff81002694>] ? kernel_thread_helper+0x4/0x10
> [<ffffffff812bf828>] ? kernel_init+0x0/0x122
> [<ffffffff81002690>] ? kernel_thread_helper+0x0/0x10
> ---[ end trace 4eaa2a86a8e2da22 ]---
> ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
> devtmpfs: initialized
>
> And so on. Seems to have booted fine, but I thought you'd like to know
> and I couldn't find a mention of this in the January lkml archive...
>
> Rob

--
Maciej Rutecki
http://www.maciek.unixy.pl
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