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SubjectRe: Trouble with swiotlb
On Fri, Dec 03, 2004 at 04:07:49PM -0800, Randy.Dunlap wrote:
> Roland Fehrenbacher wrote:
> >>>>>>"Randy" == Randy Dunlap <Randy.Dunlap> writes:
> >
> >
> > Randy> Roland Fehrenbacher wrote:
> > >> Hi,
> > >>
> > >> when building 2.4.28 or 2.4.27 on x86_64 with IOMMU and SWIOTLB
> > >> support enabled I get unresolved symbol for 3 modules:
> > >>
> > >> depmod: *** Unresolved symbols in
> > >> /lib/modules/2.4.28/kernel/drivers/net/e1000/e1000.o depmod:
> > >> *** Unresolved symbols in
> > >> /lib/modules/2.4.28/kernel/drivers/usb/host/uhci.o depmod: ***
> > >> Unresolved symbols in
> > >> /lib/modules/2.4.28/kernel/drivers/usb/host/usb-uhci.o
> > >>
> > >> When modprobing any of the modules I get: unresolved symbol
> > >> swiotlb
> > >>
> > >> The kernel boots fine on Opterons and EM64T Xeons otherwise.
> > >>
> > >> Any ideas.
> >
> > Randy> Looks like it just needs 'swiotlb' exported (as in 2.6.x).
> > Randy> Can you test the attached patch? I don't have 2.4.x
> > Randy> booting on x8-64 yet.
> >
> >Hi Randy,
> >
> >thanks for the fast reply. Your patch solved the problem. I can boot
> >Opterons and EM64T Xeons now without any problems.
>
> Thanks for the results. Marcelo, can you rip out my garbaged patch
> header/description before applying it? :)

Done - thanks Randy.
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