From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kay Sievers Date: Fri, 06 Feb 2004 00:18:35 +0000 Subject: Re: inconsistent renaming of devices Message-Id: <20040206001835.GA3753@vrfy.org> 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 Thu, Feb 05, 2004 at 03:29:41PM +0530, Surekha.PC wrote: > > > >What do you see happening in your system? > >If you build with DEBUG=true USE_LOG=true what does the debug syslog > show for these > >devices? > > It seems the user<->kernel race still persists. > > During device addition randomly few device/partition entries are not > getting created. If debug is enabled all devices are created. With debug > turned off, only few of them are created. So in this case I am not able > to capture debug for devices not getting created. > > Again device removal is also having the similar inconsistent behaviour. > Irrespective of debug being on/off few stale device entries are retained > under /udev. > > In this scenario I could see some debug messages as below. > > Looks like the sysfs entries for the device are removed long before udev > lookup. We don't need sysfs for device removal. > ------------------------------------------------------------------------ > ----------------- > udev_hotplug: looking at '/block/sdc' > udev_hotplug: looking at '/block/sde/sde2 > udev_hotplug: looking at '/block/sde/sde3 > get_dirs: sysfs_path='/sys' > udev_hotplug: don't care about 'scsi_device' devices > ..... > namedev_init_rules: reading '/etc/udev/udev.rules' as rules file > ..... > udev_hotplug: looking at '/block/sdc/sdc3 > udev_hotplug: don't care about 'scsi_device' devices > udev_remove_device: name is 'iscsib0t38l0sd3' > ...... > udev_remove_device: '/class/scsi_device/40:0:38:1' not found in > database, falling back on default name Huh, what version of udev is this? 'scsi_device' is blacklisted. Kay ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn _______________________________________________ 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