From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Date: Sat, 15 Jul 2006 02:48:28 +0000 Subject: Re: udev bug? (I don't think so) Message-Id: <20060715024828.GA10912@kroah.com> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@vger.kernel.org On Fri, Jul 14, 2006 at 02:12:35PM -0500, Ian Pilcher wrote: > There's a sporadic discussion over on the pilot-link mailing lists about > writing udev rules for Palm Treos (and similar multi-port devices). > > When one of these devices is plugged in, the visor driver creates two > USB serial devices; a udev rule which matches the SYSFS{idVendor} and > SYSFS{idProduct} will match both serial devices, and /dev/pilot will end > up linked to whichever USB serial port is processed *last*. The last > serial port processed is not necessarily the device with the higher > kernel number. > > Several people on the pilot-link list have stated that this is a udev > bug, but I don't agree. AFAIK, udev provides no assurance as to the > order in which events are processed -- regardless of the order in which > they are generated. > > Am I correct? Yes you are. See the archives of this list for how difficult it is to write a generic rule for the visor/clie/palm devices that will always work properly. thanks, greg k-h ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid0709&bid&3057&dat1642 _______________________________________________ Linux-hotplug-devel mailing list http://linux-hotplug.sourceforge.net Linux-hotplug-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel