From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763723AbXGUBg5 (ORCPT ); Fri, 20 Jul 2007 21:36:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757449AbXGUBgo (ORCPT ); Fri, 20 Jul 2007 21:36:44 -0400 Received: from mx1.redhat.com ([66.187.233.31]:58881 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751263AbXGUBgm (ORCPT ); Fri, 20 Jul 2007 21:36:42 -0400 Date: Fri, 20 Jul 2007 21:36:40 -0400 From: Dave Jones To: Kay Sievers Cc: Linux Kernel Subject: Re: film at 11: kernel update breaks udev. Message-ID: <20070721013640.GA8423@redhat.com> Mail-Followup-To: Dave Jones , Kay Sievers , Linux Kernel References: <20070721010424.GA4411@redhat.com> <3ae72650707201809l33019f56i202c1a1ddd61007f@mail.gmail.com> <20070721011630.GA7017@redhat.com> <3ae72650707201828s22593ef7o7e66ebc2026d36ca@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3ae72650707201828s22593ef7o7e66ebc2026d36ca@mail.gmail.com> User-Agent: Mutt/1.5.14 (2007-02-12) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 21, 2007 at 03:28:12AM +0200, Kay Sievers wrote: > On 7/21/07, Dave Jones wrote: > > On Sat, Jul 21, 2007 at 03:09:55AM +0200, Kay Sievers wrote: > > > On 7/21/07, Dave Jones wrote: > > > > Just one of my machines to 2.6.22.1, and got this during boot.. > > > > > > > > Starting udev: udevd-event[619]: udev_node_symlink: symlink(../../sdc/dev/disk/by-uuid/2d773baf-8174-10a6-14db-a78e0e676e89) failed: File exists > > > > > > > > Under 2.6.21, all was fine. > > > > > > > > sdc is one disk of a 3 disk raid5 set. > > > > The raidset still manages to come up despite this. > > > > > > > > This is a Fedora 7 box, with udev-106-4.1.fc7 > > > > > > > > What changed this time? > > > > > > CONFIG_BLK_DEV_BSG=y? > > > > > > There's a name-clash, because bsg tries to create devices with the same name. > > > James sent a patch, it's on lkml. > > > > BSG isn't in 2.6.22 > > Ok. There has nothing else changed, that I could think of what could cause this. > > The code in udev that prints this message looks like: > err("symlink(%s, %s) failed: %s", linktarget, filename, strerror(errno)); > > That doesn't really match what you posted. Are there chars missing? Umm. Now I'm confused. Note above that it's talking about sdc. /dev/disk/by-uuid/ contains .. lrwxrwxrwx 1 root root 9 2007-07-17 20:35 2d773baf-8174-10a6-14db-a78e0e676e89 -> ../../sdd lrwxrwxrwx 1 root root 10 2007-07-20 18:44 3B69-1AFD -> ../../sdl1 lrwxrwxrwx 1 root root 10 2007-07-20 19:06 46A1-3FCB -> ../../sdi1 lrwxrwxrwx 1 root root 10 2007-07-17 20:35 4e728818-fcf1-21ee-07a5-302b72bc6129 -> ../../sdc1 lrwxrwxrwx 1 root root 10 2007-07-17 20:35 5f435361-5797-4a8c-a285-c72fa455d401 -> ../../sda1 lrwxrwxrwx 1 root root 9 2007-07-17 20:35 9502a546-dd98-41df-8916-45032d801b69 -> ../../md0 lrwxrwxrwx 1 root root 10 2007-07-17 20:35 ed102ac9-5615-c34b-5fe7-1a9029705ebf -> ../../sda2 note that uuid matches sdd instead. > And what does: > udevtest /block/sdc > print? parse_file: reading '/etc/udev/rules.d/05-udev-early.rules' as rules file parse_file: reading '/etc/udev/rules.d/40-multipath.rules' as rules file parse_file: reading '/etc/udev/rules.d/50-udev.rules' as rules file parse_file: reading '/etc/udev/rules.d/60-libsane.rules' as rules file parse_file: reading '/etc/udev/rules.d/60-net.rules' as rules file parse_file: reading '/etc/udev/rules.d/60-pcmcia.rules' as rules file parse_file: reading '/etc/udev/rules.d/60-wacom.rules' as rules file parse_file: reading '/etc/udev/rules.d/85-pcscd_ccid.rules' as rules file parse_file: reading '/etc/udev/rules.d/85-pcscd_egate.rules' as rules file parse_file: reading '/etc/udev/rules.d/90-alsa.rules' as rules file parse_file: reading '/etc/udev/rules.d/90-hal.rules' as rules file parse_file: reading '/etc/udev/rules.d/95-pam-console.rules' as rules file parse_file: reading '/etc/udev/rules.d/bluetooth.rules' as rules file This program is for debugging only, it does not create any node, or run any program specified by a RUN key. It may show incorrect results, if rules match against subsystem specfic kernel event variables. main: looking at device '/block/sdc' from subsystem 'block' run_program: '/bin/bash -c '/sbin/lsmod | /bin/grep ^dm_multipath'' run_program: '/bin/bash' (stdout) 'dm_multipath 28889 0 ' run_program: '/bin/bash' returned with status 0 run_program: '/lib/udev/usb_id -x' run_program: '/lib/udev/usb_id' returned with status 1 run_program: '/lib/udev/scsi_id -g -x -s /block/sdc -d /dev/.tmp-8-32' run_program: '/lib/udev/scsi_id' (stdout) 'ID_VENDOR=ATA' run_program: '/lib/udev/scsi_id' (stdout) 'ID_MODEL=WDC_WD2500KS-00M' run_program: '/lib/udev/scsi_id' (stdout) 'ID_REVISION=02.0' run_program: '/lib/udev/scsi_id' (stdout) 'ID_SERIAL=SATA_WDC_WD2500KS-00_WD-WCANK6187088' run_program: '/lib/udev/scsi_id' (stdout) 'ID_SERIAL_SHORT=WD-WCANK6187088' run_program: '/lib/udev/scsi_id' (stdout) 'ID_TYPE=disk' run_program: '/lib/udev/scsi_id' (stdout) 'ID_BUS=scsi' run_program: '/lib/udev/scsi_id' returned with status 0 udev_rules_get_name: add symlink 'disk/by-id/scsi-SATA_WDC_WD2500KS-00_WD-WCANK6187088' run_program: '/lib/udev/path_id /block/sdc' run_program: '/lib/udev/path_id' (stdout) 'ID_PATH=pci-0000:05:05.0-scsi-0:0:0:0' run_program: '/lib/udev/path_id' returned with status 0 udev_rules_get_name: add symlink 'disk/by-path/pci-0000:05:05.0-scsi-0:0:0:0' run_program: '/lib/udev/vol_id --export /dev/.tmp-8-32' run_program: '/lib/udev/vol_id' (stdout) 'ID_FS_USAGE=raid' run_program: '/lib/udev/vol_id' (stdout) 'ID_FS_TYPE=linux_raid_member' run_program: '/lib/udev/vol_id' (stdout) 'ID_FS_VERSION=0.90.0' run_program: '/lib/udev/vol_id' (stdout) 'ID_FS_UUID=2d773baf-8174-10a6-14db-a78e0e676e89' run_program: '/lib/udev/vol_id' (stdout) 'ID_FS_LABEL=' run_program: '/lib/udev/vol_id' (stdout) 'ID_FS_LABEL_SAFE=' run_program: '/lib/udev/vol_id' returned with status 0 udev_rules_get_name: add symlink 'disk/by-uuid/2d773baf-8174-10a6-14db-a78e0e676e89' run_program: '/lib/udev/edd_id --export /dev/.tmp-8-32' run_program: '/lib/udev/edd_id' (stderr) 'no kernel EDD support' run_program: '/lib/udev/edd_id' returned with status 2 udev_rules_get_name: no node name set, will use kernel name 'sdc' udev_device_event: device '/block/sdc' already in database, validate currently present symlinks udev_node_add: creating device node '/dev/sdc', major = '8', minor = '32', mode = '0640', uid = '0', gid = '6' udev_node_add: creating symlink '/dev/disk/by-id/scsi-SATA_WDC_WD2500KS-00_WD-WCANK6187088' to '../../sdc' udev_node_add: creating symlink '/dev/disk/by-path/pci-0000:05:05.0-scsi-0:0:0:0' to '../../sdc' udev_node_add: creating symlink '/dev/disk/by-uuid/2d773baf-8174-10a6-14db-a78e0e676e89' to '../../sdc' main: run: '/sbin/multipath -v0 8:32' main: run: 'socket:/org/kernel/udev/monitor' main: run: 'socket:/org/freedesktop/hal/udev_event' main: run: '/sbin/pam_console_apply /dev/sdc /dev/disk/by-id/scsi-SATA_WDC_WD2500KS-00_WD-WCANK6187088 /dev/disk/by-path/pci-0000:05:05.0-scsi-0:0:0:0 /dev/disk/by-uuid/2d773baf-8174-10a6-14db-a78e0e676e89' running udevtest on sdd gets me .. parse_file: reading '/etc/udev/rules.d/05-udev-early.rules' as rules file parse_file: reading '/etc/udev/rules.d/40-multipath.rules' as rules file parse_file: reading '/etc/udev/rules.d/50-udev.rules' as rules file parse_file: reading '/etc/udev/rules.d/60-libsane.rules' as rules file parse_file: reading '/etc/udev/rules.d/60-net.rules' as rules file parse_file: reading '/etc/udev/rules.d/60-pcmcia.rules' as rules file parse_file: reading '/etc/udev/rules.d/60-wacom.rules' as rules file parse_file: reading '/etc/udev/rules.d/85-pcscd_ccid.rules' as rules file parse_file: reading '/etc/udev/rules.d/85-pcscd_egate.rules' as rules file parse_file: reading '/etc/udev/rules.d/90-alsa.rules' as rules file parse_file: reading '/etc/udev/rules.d/90-hal.rules' as rules file parse_file: reading '/etc/udev/rules.d/95-pam-console.rules' as rules file parse_file: reading '/etc/udev/rules.d/bluetooth.rules' as rules file This program is for debugging only, it does not create any node, or run any program specified by a RUN key. It may show incorrect results, if rules match against subsystem specfic kernel event variables. main: looking at device '/block/sdd' from subsystem 'block' run_program: '/bin/bash -c '/sbin/lsmod | /bin/grep ^dm_multipath'' run_program: '/bin/bash' (stdout) 'dm_multipath 28889 0 ' run_program: '/bin/bash' returned with status 0 run_program: '/lib/udev/usb_id -x' run_program: '/lib/udev/usb_id' returned with status 1 run_program: '/lib/udev/scsi_id -g -x -s /block/sdd -d /dev/.tmp-8-48' run_program: '/lib/udev/scsi_id' (stdout) 'ID_VENDOR=ATA' run_program: '/lib/udev/scsi_id' (stdout) 'ID_MODEL=WDC_WD2500KS-00M' run_program: '/lib/udev/scsi_id' (stdout) 'ID_REVISION=02.0' run_program: '/lib/udev/scsi_id' (stdout) 'ID_SERIAL=SATA_WDC_WD2500KS-00_WD-WCANK6240588' run_program: '/lib/udev/scsi_id' (stdout) 'ID_SERIAL_SHORT=WD-WCANK6240588' run_program: '/lib/udev/scsi_id' (stdout) 'ID_TYPE=disk' run_program: '/lib/udev/scsi_id' (stdout) 'ID_BUS=scsi' run_program: '/lib/udev/scsi_id' returned with status 0 udev_rules_get_name: add symlink 'disk/by-id/scsi-SATA_WDC_WD2500KS-00_WD-WCANK6240588' run_program: '/lib/udev/path_id /block/sdd' run_program: '/lib/udev/path_id' (stdout) 'ID_PATH=pci-0000:05:05.0-scsi-1:0:0:0' run_program: '/lib/udev/path_id' returned with status 0 udev_rules_get_name: add symlink 'disk/by-path/pci-0000:05:05.0-scsi-1:0:0:0' run_program: '/lib/udev/vol_id --export /dev/.tmp-8-48' run_program: '/lib/udev/vol_id' (stdout) 'ID_FS_USAGE=raid' run_program: '/lib/udev/vol_id' (stdout) 'ID_FS_TYPE=linux_raid_member' run_program: '/lib/udev/vol_id' (stdout) 'ID_FS_VERSION=0.90.0' run_program: '/lib/udev/vol_id' (stdout) 'ID_FS_UUID=2d773baf-8174-10a6-14db-a78e0e676e89' run_program: '/lib/udev/vol_id' (stdout) 'ID_FS_LABEL=' run_program: '/lib/udev/vol_id' (stdout) 'ID_FS_LABEL_SAFE=' run_program: '/lib/udev/vol_id' returned with status 0 udev_rules_get_name: add symlink 'disk/by-uuid/2d773baf-8174-10a6-14db-a78e0e676e89' run_program: '/lib/udev/edd_id --export /dev/.tmp-8-48' run_program: '/lib/udev/edd_id' (stderr) 'no kernel EDD support' run_program: '/lib/udev/edd_id' returned with status 2 udev_rules_get_name: no node name set, will use kernel name 'sdd' udev_device_event: device '/block/sdd' already in database, validate currently present symlinks udev_node_add: creating device node '/dev/sdd', major = '8', minor = '48', mode = '0640', uid = '0', gid = '6' udev_node_add: creating symlink '/dev/disk/by-id/scsi-SATA_WDC_WD2500KS-00_WD-WCANK6240588' to '../../sdd' udev_node_add: creating symlink '/dev/disk/by-path/pci-0000:05:05.0-scsi-1:0:0:0' to '../../sdd' udev_node_add: creating symlink '/dev/disk/by-uuid/2d773baf-8174-10a6-14db-a78e0e676e89' to '../../sdd' main: run: '/sbin/multipath -v0 8:48' main: run: 'socket:/org/kernel/udev/monitor' main: run: 'socket:/org/freedesktop/hal/udev_event' main: run: '/sbin/pam_console_apply /dev/sdd /dev/disk/by-id/scsi-SATA_WDC_WD2500KS-00_WD-WCANK6240588 /dev/disk/by-path/pci-0000:05:05.0-scsi-1:0:0:0 /dev/disk/by-uuid/2d773baf-8174-10a6-14db-a78e0e676e89' note, same uuid. wtf? Dave -- http://www.codemonkey.org.uk