Hi, Just a few observations: 1) The rules in the hplip 3.9.2-1ubuntu1 package don't work for me; the printer node remains in the root group. 2) Using ATTR doesn't seem to work on my system, but ATTRS does. To be honest, I'm not sure exactly what the difference is, but changing back and forth and cycling the printer makes the difference clear. 2) The upstream (and my suggested) rules match on SUBSYSTEM="usb_device" as well as SUBSYSTEM="usb"; I can report that if I configure the rules to match only SUBSYSTEM="usb", then the rules don't match my printer. I can't find any documentation of when usb_device became relevant, but again, I'm going with what works. My suggested rules break from upstream's in that they don't match OWNER, and don't muck around with sane. As for the rules' order (40-* vs. 55-* vs. z60*) I have no opinion; it might be worth ensuring that the scanner package's rules have a chance to match after hplip's, so that the nodes of multifunction devices are owned by scanner, not lp (if my understanding of udev is correct). Hope that helps, Christopher Martin On March 11, 2009 05:01:41 Till Kamppeter wrote: > Mark Purcell wrote: > > On Tuesday 10 March 2009 10:11:17 Christopher Martin wrote: > >> I'm happy to answer questions. > > > > Chris, Till, > > > > Seems that the udev rules are again causing problems. > > > > Lots of Debian bugs reported :-( > > > > Till. You reinstated our own udev rules with 2.8.12-1ubuntu5 which > > fixed a number of issues for ubuntu. Do we need to rework again, or > > are upstream 3.9.2 udev rules good? > > > > If possible, I wouldn't like to merge from upstream and would > > rather pass fixes like the enclosed directly upstream: > > http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=517297 > > > > Aaron, What is the best way we can work with you together on this? > > > > Mark > > I returned to having Ubuntu's own UDEV rules file due to the > following bug reports: > > https://bugs.launchpad.net/bugs/319660 > Cannot edit configuration from udev rules > > https://bugs.launchpad.net/bugs/319661 > Must not set OWNER in udev rules > > https://bugs.launchpad.net/bugs/319662 > udev rules should be 40-*.rules unless there's a good reason > > https://bugs.launchpad.net/bugs/319665 > Uses deprecated SYSFS instead of ATTR > > > Till
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