Re: ohci_hcd, usb scanner and kernel 2.6.8.1 or 2.6.10 troubles

[Barbara Post]

Hello,

I finally succeeded in making my USB scanner work with 2.6.8.1 and above kernels. I remind you I was 
able to see connection/disconnection messages, but not to use it via xsane.

I found the solution on a Debian mailing-list, that worked for me :

cd to /dev
type :
/sbin/MAKEDEV usb

This command created the required character devices. Since USB support has been rewritten between 
2.6.7 and 2.6.8.1 kernels, this was likely to happen when one manually installs a new kernel...

Barbara

Boris B. Zhmurov wrote:
> Hello, Barbara Post.
>
> On 12.02.2005 02:25 you said the following:
>
> | Hi,
> | I am unable to use my USB Agfa Snapscan 1212_U scanner, with kernel
> | 2.6.8.1 or 2.6.10 (both compiled by myself from www.kernel.org sources)
> | and xsane 0.96-1 (Debian).
> |
> | It worked with kernel 2.6.7.
> |
> | When I use VMware, I'm able to use it though (in Windows), whatever
> | linux kernel I use.
> |
> | When I start xsane, I get "error opening device
> | 'snapscan:libusb:001:004': I/O error on device" or simply "no device
> | found" if I restart xsane after the first error message (or sometimes at
> | first start).
> |
> | Sometimes it gets further and when I try to acquire preview, I get "I/O
> | error" and the following in /var/log/syslog :
> |
> | Feb 11 23:19:00 babs1 kernel: ohci_hcd 0000:00:02.2: urb c15e13e0 path
> | 1.3 ep1in 82160000 cc 8 --> status -75
>
>
> I have the same problem with my Epson 1260 on RHEL4 beta2 (linux-2.6.9).
> I don't know about 2.6.7, but with 2.4.21 (RHEL3) it works fine.
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