Re: USB-C Devices only show up if connected at boot

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Am Mittwoch, den 24.01.2018, 10:30 +0000 schrieb Mike Lothian:
> On 24 January 2018 at 10:04, Oliver Neukum <oneukum@xxxxxxxx> wrote:
> > 
> > Am Mittwoch, den 24.01.2018, 09:36 +0000 schrieb Mike Lothian:
> > > 
> > > 
> > > I've played around with this some more, if the device is connected
> > > after boot nothing shows when it's plugged in
> > > 
> > > I did however get more messages out when I disconnected the device
> > > after booting with it (see attached)
> > > 
> > 
> > That is the normal case of PCI disconnect of XHCI and Thunderbolt
> > stuff. It confirms that you have the Intel chipsets that does
> > a PCI disconnect while nothing is plugged in.
> > 
> > This really needs PCI hotplugging to work.
> > Could you activate dynamic debugging for PCI and ACPI?
> > 
> > You might, if your BIOS is crap, try only native hotplug
> > with ACPI hotplug disabled.
> > 
> >         Regards
> >                 Oliver
> > 
> 
> Still nothing if I connect the device with PCI Hotplugging with no
> ACPI Hotplugging
> 
> What do I need to do to activate dynamic debugging?

echo "file $NAMEOFKERNELSOURCEFILEYOUWANT +mfp" > /sys/kernel/debug/dynamic_debug/control

	HTH
		Oliver

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