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SubjectRe: boot hangs with SMP, USB storage, and ACPI

(cc restored. Please always do reply-to-all)

(linux-acpi cc added)

On Wed, 12 Sep 2007 15:00:41 +0200 "tx tox" <t0mc4t1@gmail.com> wrote:

> On 12 Lip 2006, 00:41, Eric Cooper <e...@cmu.edu> wrote:
> > When I try toboota 2.6.17 kernel compiled forSMP(hyperthreading),
> > it hangs early in thebootsequence (after printing "FreeingSMP
> > alternatives"). The issue seems to be an interaction between a
> > USB-storage device (an empty flash card reader built into the
> > monitor) andACPI.
> >
> > It boots fine if I do any one of these:
> > - physically disconnect theUSBdevice
> > - disableUSBsupport in the BIOS
> > -bootwithacpi=ht
> > but none of these is completely satisfactory.
> >
> > I'll happily supply more details, run tests, etc. if anyone is
> > interested in looking at this. Thanks, and please CC me if you
> > respond.
> >
> > --
> > Eric Cooper e c c @ c m u . e d u
>
>
> I have exactly the same problem
> This happens whenever i boot machine with reader on
> or usbstick plugged in.
> It happens with newer kernels as well.
> It is little bit annoying to reset machine just because i forgot
> to switch off the printer which has card reader equipped ;)
> some goofing with printks suggests ACPI as a place whenre it freezes.
> But i got no proof for that.
> Any suggestions are welcome.

Could you both please test 2.6.22 (or 2.6.23, soon) and if the bug is still
present, raise a report against acpi at bugzilla.kernel.org?

We'd be particularly internested in knowing if any earlier 2.6 kernel
worked OK and if so, which version(s).

Thanks.
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