Re: [Xen-users] Re: Difficulties inserting external modules in dom0 & using a serial port

[Michael LeMay <lemaymd@xxxxxxxxxxx>]

Thanks for the tip.  I manually edited Kconfig and .config and forced 
the serial modules to be compiled in (not modules), and now the port 
works fine.  I also forced my X10 driver into the kernel in the same 
way, but it doesn't appear to get initialized.  I sure wish I knew what 
I'm doing wrong...
Molle Bestefich wrote:
> Michael LeMay wrote:
>   
> > FATAL: Error inserting 8250 (...): Device or resource busy
> >     
> Xen uses the console too, you might want to check your boot options
> and the documentation.
>
> Perhaps the busy error code refers to an IRQ (check the 8250 source
> code to make sure), so you could look in /proc/interrupts and see if
> anything else is using the same IRQ that the 8250 is trying to grab.
>
> Same problem, clue about 8250 being modularized on SuSE but not other distros:
> http://article.gmane.org/gmane.comp.emulators.xen.user/2504
>
> Same problem, possible solution offered (didn't work) and a clue about
> IRQ problems:
> http://article.gmane.org/gmane.comp.emulators.xen.user/4275
> http://article.gmane.org/gmane.comp.emulators.xen.user/4290
> http://article.gmane.org/gmane.comp.emulators.xen.user/4298
>
> Same problem, no solution:
> http://article.gmane.org/gmane.comp.emulators.xen.user/97
>
>
>   
> > x10_cm19a: Unknown symbol force_evtchn_callback
> >     
> Nothing else in dmesg or syslog?
>
> I usually solve this kind of problem by fiddling with the kernel version :-)...
>
> Same problem, no solution:
> http://article.gmane.org/gmane.comp.emulators.xen.user/10337
> http://article.gmane.org/gmane.comp.emulators.xen.user/10354
> http://article.gmane.org/gmane.comp.emulators.xen.user/10414
>
> Same problem, impolite enough to crosspost to users- and devel-list, no replies:
> http://article.gmane.org/gmane.comp.emulators.xen.user/9892
>
> Same problem, no replies:
> http://article.gmane.org/gmane.comp.emulators.xen.user/10543
>
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> http://lists.xensource.com/xen-users
>

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