Re: usbmc seems broken

From: Greg KH
Date: Tue Jan 26 2010 - 21:05:30 EST


On Tue, Jan 26, 2010 at 05:01:25PM -0800, Andrew Morton wrote:
> (cc's added)
>
> On Fri, 22 Jan 2010 16:40:06 +0000
> Neil Kalo <neilkalo@xxxxxxxxx> wrote:
>
> > I cannot get usbtmc to work with my device. I am using fedora 12:
> > 2.6.31.12-174.2.3.fc12.i686.PAE
> >
> > Jan 22 15:40:26 localhost kernel: usb 4-1: new full speed USB device
> > using ohci_hcd and address 4
> > Jan 22 15:40:26 localhost kernel: usb 4-1: New USB device found,
> > idVendor=05e6, idProduct=2100
> > Jan 22 15:40:26 localhost kernel: usb 4-1: New USB device strings:
> > Mfr=2, Product=3, SerialNumber=1
> > Jan 22 15:40:26 localhost kernel: usb 4-1: Product: 2100 Multimeter
> > Jan 22 15:40:26 localhost kernel: usb 4-1: Manufacturer: KEITHLEY INSTRUMENTS
> > Jan 22 15:40:26 localhost kernel: usb 4-1: SerialNumber: 1160791
> > Jan 22 15:40:26 localhost kernel: usb 4-1: configuration #1 chosen from 1 choice
> > Jan 22 15:40:26 localhost kernel: usbtmc 4-1:1.0: can't read capabilities

This was a bug in this version of the driver.

Please upgrade to 2.6.32, the problem is fixed.

If you are curious, commit id d0a38365d9585bf3fb71f7c57fd532441a14f3e8
solved the problem.

Hope this helps,

greg k-h
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