I made some tests with that usb to serial converter and modem.
First - I connected to my Gentoo laptop (udev-122, 2.6.25-gentoo-r1) and I got
same error message in dmesg as in Ubuntu 8.04. I added new udev rule, replugged
device and it started to work in Gentoo. Conclusion - issue is not only Ubuntu
specific and it's fixable.
For reference - the new udev rule, that worked on my Gentoo box (2.6.15
kernel): SUBSYSTEM=="usb", ATTR{idVendor}=="0451", ATTR{idProduct}=="3410",
RUN+="/bin/sh -c 'echo 2 > /sys%p/bConfigurationValue'"
As next step I used same udev rule on Ubuntu 8.04 but without any luck - for
some reason it doesn't work in Ubuntu.
More info from Ubuntu 8.04 box (lsmod, udevinfo and udevtest in attachment):
dmesg:
[ 473.753611] usb 2-1: new full speed USB device using ohci_hcd and address 3
[ 473.987653] usb 2-1: configuration #1 chosen from 1 choice
[ 473.993599] ti_usb_3410_5052: probe of 2-1:1.0 failed with error -5
uname -a:
Linux zakis 2.6.24-17-generic #1 SMP Thu May 1 14:31:33 UTC 2008 i686 GNU/Linux
# This part is strange, as on Gentoo I can freely change that /sys%p value with
"echo 2 >"
[EMAIL PROTECTED]:~# echo 2 > /sys/bus/usb/devices/usb2/2-1/bConfigurationValue
-su: echo: write error: Invalid argument
# As You can see, previous command was not successfull and also udev rule has
failed.
[EMAIL PROTECTED]:~# cat /sys/bus/usb/devices/usb2/2-1/bConfigurationValue
1
** Attachment added: "udevinfo, udevtest and lsmod output"
http://launchpadlibrarian.net/14969527/huawei_debug_info
--
HUAWEI ETS1000 CDMA modem doesn't work anymore in 8.04
https://bugs.launchpad.net/bugs/236247
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