Re: heavy nfs[4]] causes fs badness Was: 2.6.20-rc4: known unfixedregressions (v2)

[Alan Stern]

On Tue, 23 Jan 2007, Florin Iucha wrote:

> > It would be nice to learn exactly why the keyboard stopped working.  Try
> > using the usbmon facility (instructions in Documentation/usb/usbmon.txt)
> > to see what happens when you type on the dead keyboard.  Be sure to turn
> > on CONFIG_USB_DEBUG as well.  And also check /proc/interrupts; each time
> > you hit a key the USB controller should get an interrupt.
> 
> Attached is the output from usbmon, unfortunately this kernel did not
> have CONFIG_USB_DEBUG set.  This is kernel 2.6.20-rc5.
> 
> So, the bus sees some traffic when the keyboard is used, but gdm does
> not receive any keystrokes.

So it's possible that the USB drivers are working correctly but the 
keystrokes are getting lost somewhere in the X server.  Can you switch to 
a VT (or kill the X server entirely) and see if the keyboard works then?

Alan Stern

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/