Re: [gentoo-user] [OT] Problems with USB subsystem after upgrading to 2.6.22
On Sunday 09 September 2007, Dan Johansson wrote:
After upgrading to 2.6.22 one of my USB-devices stopped working out of the
box. I've found a workaround (see below) to get it working. And my
question is how can I make this automatically?
Here's the workaround:
From dmesg:
usb 2-1: new full speed USB device using uhci_hcd and address 4
usb 2-1: no configuration chosen from 1 choice
In /sys/bus/usb/devices/ I find the symlink for this device (2-1)
/sys/bus/usb/devices/2-1# cat bNumConfigurations
1
/sys/bus/usb/devices/2-1# cat bConfigurationValue
by writing a value into bConfigurationValue, I can select an active
configuration:
/sys/bus/usb/devices/2-1# echo 1 bConfigurationValue
/sys/bus/usb/devices/2-1# cat bConfigurationValue
1
After this the device works as expected.
I found myself a solution to this problem (I don't know if it's the best way
to do it but it works for me).
I added the following two files to my system:
# cat /etc/udev/rules.d/00-local.rules
SUBSYSTEM==usb, DRIVERS==usb,
ATTRS{serial}==2f11211b-0e00-0106-6800-0050bf7a660c,
RUN+=/usr/local/bin/loox.udev
# cat /usr/local/bin/loox.udev
#!/bin/bash
if [ ${ACTION} == add ]
then
echo 1 /sys/${DEVPATH}/bConfigurationValue
fi
--
Dan Johansson, http://www.dmj.nu
***
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Re: [gentoo-user] [OT] Problems with USB subsystem after upgrading to 2.6.22
Hi,
On Wed, 12 Sep 2007 18:44:23 +0200
Dan Johansson [EMAIL PROTECTED] wrote:
I found myself a solution to this problem (I don't know if it's the best way
to do it but it works for me).
I added the following two files to my system:
# cat /etc/udev/rules.d/00-local.rules
SUBSYSTEM==usb, DRIVERS==usb,
ATTRS{serial}==2f11211b-0e00-0106-6800-0050bf7a660c,
RUN+=/usr/local/bin/loox.udev
# cat /usr/local/bin/loox.udev
#!/bin/bash
if [ ${ACTION} == add ]
then
echo 1 /sys/${DEVPATH}/bConfigurationValue
fi
I still admire your solution. I think it's exactly as the inventors
intended, so to speak. (/me makes note in brain on that
bConfigurationValue thingy)
-hwh
PS: Sorry for the noise, but since the OT was already in the subject
line ;-)
--
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[gentoo-user] [OT] Problems with USB subsystem after upgrading to 2.6.22
After upgrading to 2.6.22 one of my USB-devices stopped working out of the box. I've found a workaround (see below) to get it working. And my question is how can I make this automatically? Here's the workaround: From dmesg: usb 2-1: new full speed USB device using uhci_hcd and address 4 usb 2-1: no configuration chosen from 1 choice In /sys/bus/usb/devices/ I find the symlink for this device (2-1) /sys/bus/usb/devices/2-1# cat bNumConfigurations 1 /sys/bus/usb/devices/2-1# cat bConfigurationValue by writing a value into bConfigurationValue, I can select an active configuration: /sys/bus/usb/devices/2-1# echo 1 bConfigurationValue /sys/bus/usb/devices/2-1# cat bConfigurationValue 1 After this the device works as expected. -- Dan Johansson, http://www.dmj.nu *** This message is printed on 100% recycled electrons! *** signature.asc Description: This is a digitally signed message part.
