On 8/6/14 9:09 AM, Dewey Garrett wrote:
>
> I tested on wheezy using a buildbot deb linuxcnc_2.6.1.1.gf0c9384_i386.deb
> (instead of the iso) and see:
>
> $ lsb_release -rc
> Release: 7.6
> Codename: wheezy
>
> $ uname -a
> Linux debian-shop2 3.4-9-rtai-686-pae #1 SMP PREEMPT Debian
> 3.4.55-3linuxcnc i686 GNU/Linux
>
> $ cat /etc/udev/rules.d/90-xhc.rules
> # xhc-hb04 mpg pendant
> ATTR{idProduct}=="eb70", ATTR{idVendor}=="10ce", MODE="666", OWNER="root",
> GROUP="users"
>
> as expected.
> -------------------------------------------------------------------------
>
> The error i see starting xhc-hb04 is:
>
> [ 1.002037] [00001227] libusbx: error [op_open] libusbx couldn't open USB
> device /dev/bus/usb/007/002: Permission denied.
> [ 1.002080] [00001227] libusbx: error [op_open] libusbx requires write access
> to USB device nodes.
> -------------------------------------------------------------------------
>
> looking at the permissions i see:
> $ ls -l /dev/bus/usb/007/002
> crw-rw-r-T 1 root users 189, 769 Aug 6 07:46 /dev/bus/usb/007/002
> -------------------------------------------------------------------------
> so MODE="666" was not honored
>
> if i change with
> $ sudo chmod 777 /dev/bus/usb/007/002, perms are ok
> -------------------------------------------------------------------------
> maybe this will help a debian packaging expert
This is exemplary debugging info, thanks Dewey.
Please send the output of "lsusb" (with the pendant plugged in), to see
if the product and vendor ids are as expected.
Also send the output of, um, "udevadm monitor" with all the right flags
that i dont know, while plugging in the pendant, to see why the rule
isn't getting run right.
--
Sebastian Kuzminsky
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