From mboxrd@z Thu Jan 1 00:00:00 1970 From: jonathan westlake Date: Thu, 02 Dec 2004 09:18:24 +0000 Subject: Udev Warning - wait_for_sysfs Message-Id: <41AEDDE0.70007@westlake.eclipse.co.uk> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@vger.kernel.org Udev Support Problems with a dev not found .... >From dmesg ... wait_for_sysfs[6744]: either wait_for_sysfs (udev 039) needs an update to handle the device '/class/net/nlv0' properly (no device symlink) or the sysfs-support of your device's driver needs to be fixed, please report to > Nov 29 23:51:38 ldnukslx38502 kernel: Unable to handle kernel NULL pointer dereference at virtual address 0000002c Nov 29 23:51:38 ldnukslx38502 kernel: printing eip: ... ... When starting Apani netlock VPN service using net device nlv0 unhappiness reigns! Whether kernel is 2.6.9-1.667 (FC3) or kernel is custom built and is PREEMPT using 2.6.10-rc2 error occurs on dev-up. Package Version-Release: udev-039-8.FC3 Additional info: Nov 29 23:50:28 ldnukslx38502 wait_for_sysfs[6744]: either wait_for_sysfs (udev 039) needs an update to handle the device '/class/net/nlv0' properly (no device symlink) or the sysfs-support of your device's driver needs to be fixed, please report to > Nov 29 23:51:38 ldnukslx38502 kernel: Unable to handle kernel NULL pointer dereference at virtual address 0000002c Nov 29 23:51:38 ldnukslx38502 kernel: printing eip: Nov 29 23:51:38 ldnukslx38502 kernel: c02a5351 Nov 29 23:51:38 ldnukslx38502 kernel: *pde = 00000000 Nov 29 23:51:38 ldnukslx38502 kernel: Oops: 0000 [#1] Nov 29 23:51:38 ldnukslx38502 kernel: PREEMPT Nov 29 23:51:38 ldnukslx38502 kernel: Modules linked in: nlvcard mishim ipt_LOG ipt_multiport ipt_state ip_conntrack_tftp ip_conntrack_proto_sctp ip_conntrack_irc ip_conntrack_ftp ip_conntrack_amanda ip_conntrack iptable_filter ip_tables ndiswrapper i915 md5 ipv6 parport_pc lp parport autofs4 sunrpc dm_mod video button battery ac ohci1394 hci_usb bluetooth ieee1394 uhci_hcd ehci_hcd i2c_i801 i2c_core snd_intel8x0m snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc tg3 ext3 jbd Nov 29 23:51:38 ldnukslx38502 kernel: CPU: 0 Nov 29 23:51:38 ldnukslx38502 kernel: EIP: 0060:[] Tainted: P VLI Nov 29 23:51:38 ldnukslx38502 kernel: EFLAGS: 00210202 (2.6.10-rc2) ... ... Udev entry before actually tunneling, but after service is started: [root@ldnukslx38502 cvc_linux-rh-gcc3-3.1.1e]# udevinfo -a -p /sys/class/net/nlv0/ udevinfo starts with the device the node belongs to and then walks up the device chain, to print for every device found, all possibly useful attributes in the udev key format. Only attributes within one device section may be used together in one rule, to match the device for which the node will be created. looking at class device '/sys/class/net/nlv0': SYSFS{addr_len}="6" SYSFS{address}="00:00:00:00:00:00" SYSFS{broadcast}="ff:ff:ff:ff:ff:ff" SYSFS{features}="0x0" SYSFS{flags}="0x82" SYSFS{ifindex}="6" SYSFS{iflink}="6" SYSFS{mtu}="1500" SYSFS{tx_queue_len}="0" SYSFS{type}="1" Hope this helps. Jon ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ 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