[LAU] Disabling IRQ #19

[Ralf Mardorf]

On Tue, 2014-06-17 at 21:53 +0200, Ralf Mardorf wrote:
> On Tue, 2014-06-17 at 21:42 +0200, Ralf Mardorf wrote:
> > On Tue, 2014-06-17 at 20:49 +0200, Markus Seeber wrote:
> > > On 06/17/2014 08:06 PM, Peter P. wrote:
> > > > I have no way to set/change the IRQ assignments in this BIOS.
> > > > Interrupt 19 is shared by modules ehci_hcd:usb2, ips, snd_hdsp,
> > > > where the two others are USB and the thermal subsystem.
> > > > I assume ehci_hcd:usb2 denotes the second USB bus. If this is correct,
> > > > there are no devices connected to it at the moment, according to lsusb
> > > > (except for USB hubs).
> > 
> > > You are not alone with this issue,
> > > I tried to work around this on different hardware by turning off the
> > > devices that share the IRQ in BIOS.
> > 
> > It's also possible to unbind devices by command line. On my machine the
> > BIOS is useless too.
> > 
> > Assumed the links mentioned in my script are still available, one of the
> > scripts describes how to unbind a device.
>  ^^^^^^^ links ;)
> 
> > ### http://wiki.linuxmusicians.com/doku.php?id=system_configuration#pci_bus_latency
> 
> It's this link and it's still available. Take a look at the "Solve IRQ
> conflicts by unbinding devices" section of the link.

Two replies to myself, to help others, are allowed? :D

JFTR, if you unbind USB slots for a tower PC mobo you likely could get
other USB slots by spending less money:

http://www.reichelt.de/AK-666/3/index.html?&ACTION=3&LA=446&ARTICLE=79819&artnr=AK+666&SEARCH=usb+blende
http://www.reichelt.de/AK-674-2/3/index.html?&ACTION=3&LA=446&ARTICLE=45871&artnr=AK+674%2F2&SEARCH=usb+blende