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SubjectRe: EHCI + APIC errors = no usb goodness
On Mon, Jan 23, 2006 at 01:25:54PM -0800, Pete Zaitcev wrote:
> On Mon, 23 Jan 2006 13:04:43 -0800, Greg KH <gregkh@suse.de> wrote:
>
> > Now I'm down to the last problem, USB doesn't work, which is a bit of a
> > pain for me :)
>
> > [ 87.406180] APIC error on CPU0: 00(40)
> > [ 87.426282] drivers/usb/core/inode.c: creating file '001'
> > [ 87.426333] hub 1-0:1.0: state 5 ports 8 chg 0000 evt 0000
> > [ 87.712002] APIC error on CPU0: 40(40)
> > [ 87.774743] irq 16: nobody cared (try booting with the "irqpoll" option)
>
> Why do you even enable APIC on an old laptop? We tried it a few times,
> it's just not possible. I'd say, about one in ten to one in five of 2002
> vintage laptops will not even boot, let alone work when APIC is enabled.
> Some of them are well known, like Dell Lattitude 610. I expect this to
> change with dual-core laptops, but for now the rule is: UP kernel,
> No APIC, for distro kernels at least.

Hm, it's a brand-new laptop, and all of my other boxes work with ioapic
on UP kernels. I didn't think to turn it off, I'll go rebuild and see
if that helps.

oh, and 2.6.13 seems to work just fine, with ioapic enabled...

thanks,

greg k-h
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