5.3 interrupt storm

[Jason Henson]

On 01/20/05 19:47:12, J.D. Bronson wrote:
> I have read a few tips on this - but looking for something that  
> works.
> 
> I have DISABLED USB support in the bios on my IBM 305 servers.
> It seems FreeBSD still 'sees' USB.
> 
> I copied the GENERIC kernel to TEST kernel
> I removed -all- USB support from the new kernel.
> 
> I then rebooted and I still see this:
> 
> ohci0: <OHCI (generic) USB controller> at device 15.2 on pci0
> ohci0: [GIANT-LOCKED]
> usb0: OHCI version 1.0, legacy support
> usb0: <OHCI (generic) USB controller> on ohci0
> usb0: USB revision 1.0
> uhub0: (0x1166) OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
> uhub0: 2 ports with 2 removable, self powered
> ...
> ....
> Interrupt storm detected on "irq11: ohci0"; throttling interrupt  
> source
> 
> 
> What can I do to get rid of ALL USB support on this 5.3 system as I  
> dont use it and dont want these 'storms' of interrupts!
> 
> thanks in advance!
> 
>

If it is not in the kernel see if the module is being loaded.  Use  
kldstat.  Did you comment out the usbd in /etc/rc.conf?