Mailinglist Archive: opensuse-bugs (15116 mails)

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https://bugzilla.novell.com/show_bug.cgi?id=210172#c18


Johannes Meixner <jsmeix@xxxxxxxxxx> changed:

           What    |Removed                                         |Added
----------------------------------------------------------------------------
           Severity|Normal                                          |Major




--- Comment #18 from Johannes Meixner <jsmeix@xxxxxxxxxx>  2007-09-18 07:34:59 MST ---
/etc/udev/rules.d/55-libsane.rules cannot work because it does

.. RUN+="/bin/sh -c 'test -e /sys/$env{DEVPATH}/power/level \
          && echo on > /sys/$env{DEVPATH}/power/level'"

where $env{DEVPATH} evaluates to something like
/devices/pci0000:00/0000:00:06.0/0000:02:00.1/usb2/2-1

But on my openSUSE 10.3 beta2 system running the 2.6.22.3-7-default
kernel, there is no file
/sys/devices/pci0000:00/0000:00:06.0/0000:02:00.1/usb2/2-1/power/level
so that the 'test -e /sys/$env{DEVPATH}/power/level' fails.

Obviously the above is not the right method to disable USB autosuspend.
I asked a kernel guru what the right way is and made this a MAJOR bug
because many scanners will not work well if USB autosuspend is not
disabled.


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