From mboxrd@z Thu Jan 1 00:00:00 1970 From: Uberto Barbini Date: Fri, 19 Aug 2005 19:54:09 +0000 Subject: Re: udev too slow? Message-Id: <200508192154.10305.uberto@ubiland.net> List-Id: References: <8F1EED683FFEDD43B4FE4A0425847F2EAEE581@EXE.ceda.polimi.it> In-Reply-To: <8F1EED683FFEDD43B4FE4A0425847F2EAEE581@EXE.ceda.polimi.it> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@vger.kernel.org > On Fri, Aug 19, 2005 at 12:10:56PM +0200, Barbini Uberto wrote: > > I've just passed to udev from devfs (Gentoo daily sync with 2.6.12). > > > > I've a problem with dvb drivers: after the modprobe it occurs about 10 > > seconds before udev creates the devices (/dev/adapter0/xxx), which > > it's pretty unacceptable in a dining room settopbox. > > Update to udev 068, if not already. Start "udevmonitor" before loading the > modules and post the output it prints. It will show the sequence of the > kernel->udev events. I have a USB DVB device which takes less than a second > to initialize: I emerged 068 (gentoo standard is 058 right now). With 068 it takes 4-5 seconds instead of 9-10, way better but not perfect. This is udevmonitor output: UEVENT[1124474094] add@/module/stv0299 UEVENT[1124474094] add@/module/ves1x93 UEVENT[1124474094] add@/module/ttpci_eeprom UEVENT[1124474094] add@/module/saa7146 UEVENT[1124474094] add@/module/video_buf UEVENT[1124474094] add@/module/saa7146_vv UEVENT[1124474094] add@/module/dvb_core UEVENT[1124474094] add@/module/dvb_ttpci UEVENT[1124474094] add@/bus/pci/drivers/dvb UEVENT[1124474094] add@/class/firmware/0000:00:14.0 UDEV [1124474094] add@/module/dvb_core UDEV [1124474094] add@/module/saa7146_vv UDEV [1124474094] add@/module/dvb_ttpci UDEV [1124474094] add@/module/ves1x93 UDEV [1124474094] add@/module/ttpci_eeprom UDEV [1124474094] add@/module/saa7146 UDEV [1124474094] add@/module/stv0299 UDEV [1124474094] add@/module/video_buf UDEV [1124474094] add@/bus/pci/drivers/dvb UEVENT[1124474094] remove@/class/firmware/0000:00:14.0 UDEV [1124474094] add@/class/firmware/0000:00:14.0 UEVENT[1124474094] add@/class/i2c-adapter/i2c-1 UEVENT[1124474094] add@/class/i2c-dev/i2c-1 UDEV [1124474094] remove@/class/firmware/0000:00:14.0 UEVENT[1124474095] add@/class/dvb/dvb0.demux0 UEVENT[1124474095] add@/class/dvb/dvb0.dvr0 UEVENT[1124474095] add@/class/dvb/dvb0.video0 UEVENT[1124474095] add@/class/dvb/dvb0.audio0 UEVENT[1124474095] add@/class/dvb/dvb0.ca0 UEVENT[1124474095] add@/class/dvb/dvb0.osd0 UEVENT[1124474095] add@/class/dvb/dvb0.net0 UEVENT[1124474095] add@/class/video4linux/video1 UEVENT[1124474095] add@/class/dvb/dvb0.frontend0 UDEV [1124474099] add@/class/i2c-adapter/i2c-1 UDEV [1124474099] add@/class/dvb/dvb0.ca0 UDEV [1124474099] add@/class/dvb/dvb0.osd0 UDEV [1124474099] add@/class/video4linux/video1 UDEV [1124474099] add@/class/dvb/dvb0.frontend0 UDEV [1124474099] add@/class/dvb/dvb0.video0 UDEV [1124474099] add@/class/dvb/dvb0.audio0 UDEV [1124474099] add@/class/i2c-dev/i2c-1 UDEV [1124474099] add@/class/dvb/dv please note the delay between 1124474095 and 1124474099. Is there some other test I could try? Bye Uberto ------------------------------------------------------- SF.Net email is Sponsored by the Better Software Conference & EXPO September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf _______________________________________________ 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