Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764257AbXEZUtY (ORCPT ); Sat, 26 May 2007 16:49:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757109AbXEZUtS (ORCPT ); Sat, 26 May 2007 16:49:18 -0400 Received: from outpost.ds9a.nl ([213.244.168.210]:51116 "EHLO outpost.ds9a.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755777AbXEZUtR (ORCPT ); Sat, 26 May 2007 16:49:17 -0400 X-Greylist: delayed 1822 seconds by postgrey-1.27 at vger.kernel.org; Sat, 26 May 2007 16:49:17 EDT Date: Sat, 26 May 2007 22:18:54 +0200 From: bert hubert To: linux-kernel@vger.kernel.org, gregkh@suse.de Cc: kay.sievers@vrfy.org Subject: udev regression? lsusb silent (no output) since 2.6.22-rc2 at least Message-ID: <20070526201854.GA20758@outpost.ds9a.nl> Mail-Followup-To: bert hubert , linux-kernel@vger.kernel.org, gregkh@suse.de, kay.sievers@vrfy.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2746 Lines: 75 Greg, Kay, kernel people, Today I booted 2.6.22-rc2 on Ubunty Edgy Eft, and lsusb died on me: ahu@intel:~$ lsusb ahu@intel:~$ sudo lsusb ahu@intel:~$ This behaviour persists in rc4. This might be udev related. I'm running: ii udev 093-0ubuntu18.0edgy2 USB does work fine. Bit from strace: open("/dev/bus/usb", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 3 fstat64(3, {st_mode=S_IFDIR|0755, st_size=80, ...}) = 0 fcntl64(3, F_SETFD, FD_CLOEXEC) = 0 getdents64(3, /* 4 entries */, 4096) = 112 close(3) = 0 open("/dev/bus/usb", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 3 fstat64(3, {st_mode=S_IFDIR|0755, st_size=80, ...}) = 0 fcntl64(3, F_SETFD, FD_CLOEXEC) = 0 getdents64(3, /* 4 entries */, 4096) = 112 getdents64(3, /* 0 entries */, 4096) = 0 close(3) = 0 (end of program) ahu@intel:~$ ls -l /dev/bus/usb -d drwxr-xr-x 3 root root 80 2007-05-26 21:58 /dev/bus/usb ahu@intel:~$ ls -l /dev/bus/usb/ total 0 lrwxrwxrwx 1 root root 14 2007-05-26 21:58 devices -> .usbfs/devices ahu@intel:~$ ls -l /dev/bus/usb/devices lrwxrwxrwx 1 root root 14 2007-05-26 21:58 /dev/bus/usb/devices -> .usbfs/devices ahu@intel:~$ wc -l /dev/bus/usb/devices 95 /dev/bus/usb/devices On another machine (debian etch), with an older kernel, where lsusb does work: open("/dev/bus/usb", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 3 fstat64(3, {st_mode=S_IFDIR|0755, st_size=80, ...}) = 0 fcntl64(3, F_SETFD, FD_CLOEXEC) = 0 getdents64(3, /* 4 entries */, 4096) = 96 close(3) = 0 open("/dev/bus/usb", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 3 fstat64(3, {st_mode=S_IFDIR|0755, st_size=80, ...}) = 0 fcntl64(3, F_SETFD, FD_CLOEXEC) = 0 getdents64(3, /* 4 entries */, 4096) = 96 getdents64(3, /* 0 entries */, 4096) = 0 close(3) = 0 open("/dev/bus/usb/001", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY) = 3 fstat64(3, {st_mode=S_IFDIR|0755, st_size=60, ...}) = 0 fcntl64(3, F_SETFD, FD_CLOEXEC) = 0 getdents64(3, /* 3 entries */, 4096) = 72 open("/dev/bus/usb/001/001", O_RDWR) = -1 EACCES (Permission denied) open("/dev/bus/usb/001/001", O_RDONLY) = 4 Any clues? Please let me know how I can help solve this problem! Bert -- http://www.PowerDNS.com Open source, database driven DNS Software http://netherlabs.nl Open and Closed source services - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/