From owner-freebsd-questions@FreeBSD.ORG Tue Nov 27 19:47:54 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 6C9CE6AD for ; Tue, 27 Nov 2012 19:47:54 +0000 (UTC) (envelope-from demelier.david@gmail.com) Received: from mail-bk0-f54.google.com (mail-bk0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id DD7A78FC13 for ; Tue, 27 Nov 2012 19:47:53 +0000 (UTC) Received: by mail-bk0-f54.google.com with SMTP id je9so5196454bkc.13 for ; Tue, 27 Nov 2012 11:47:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject :content-type:content-transfer-encoding; bh=LtElL6azoj6fyq5rmuEI/FuNWzeuy+3vBZvRYTgzpRA=; b=lpgml6UzE7gkvO7x6q2cSt4tNVLjT9oTO3Ubj/SFhkG129BVGwKCINFWvqDoH8FM2d 3Bbbm5+YBu4MomCnQGACNvDRoluYlITW6ZsQjVuvP/sEGXLecAuEILkuwScw7fpA9ikA 2J5Mjz2zMOrhBGMDVVUjiHywHKmIw8EdqsIDohe7nJGeED75s+iD1/cEnGmKW4kDLfOP 7zuIBPmnZi45JVETIp457ZXcJoen0reuR+b71ssNYNhAp/qbjVOil20hjze2BB0jKnKN dfsJ73NWcXgsojOnkxOKFVcYztbzwigkd8t0brnCPOiq7/oSirx/k2Z8Ldyi8tabtu9H k++w== Received: by 10.204.148.22 with SMTP id n22mr5026386bkv.6.1354045671642; Tue, 27 Nov 2012 11:47:51 -0800 (PST) Received: from Groseille.malikania.fr (248.21.102.84.rev.sfr.net. [84.102.21.248]) by mx.google.com with ESMTPS id c10sm500774bkw.1.2012.11.27.11.47.49 (version=SSLv3 cipher=OTHER); Tue, 27 Nov 2012 11:47:50 -0800 (PST) Message-ID: <50B518E6.6060506@gmail.com> Date: Tue, 27 Nov 2012 20:47:50 +0100 From: David Demelier User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: freebsd-questions@freebsd.org Subject: Can't figure out why my / is busy Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Nov 2012 19:47:54 -0000 Hello, I have an old Alix appliance on a CompactFlash, usually I keep / mounted read-only to preserve the flash device as longer as possible. I have installed some packages today, and now I can't mount / read-only again, usually it was working. markand@Ananas ~ $ sudo mount -u -r / mount: /dev/ad0s1a : Device busy But fstat does not show any file opened for writing in / or else (note that /var /tmp are memory file systems) USER CMD PID FD MOUNT INUM MODE SZ|DV R/W root fstat 27734 root / 2 drwxr-xr-x 512 r root fstat 27734 wd / 141635 drwxr-xr-x 512 r root fstat 27734 text / 95191 -r-xr-sr-x 16644 r root fstat 27734 0 /dev 55 crw--w---- pts/0 rw root fstat 27734 1 /dev 55 crw--w---- pts/0 rw root fstat 27734 2 /dev 55 crw--w---- pts/0 rw root fstat 27734 3 /dev 11 crw-r----- mem r root fstat 27734 4 /dev 12 crw-r----- kmem r root fstat 27734 5 / 191672 -rw------- 40960 r root sudo 27733 root / 2 drwxr-xr-x 512 r root sudo 27733 wd / 141635 drwxr-xr-x 512 r root sudo 27733 text / 123603 ---s--x--x 146416 r root sudo 27733 0 /dev 55 crw--w---- pts/0 rw root sudo 27733 1 /dev 55 crw--w---- pts/0 rw root sudo 27733 2 /dev 55 crw--w---- pts/0 rw root sudo 27733 3* local dgram c22de158 root sudo 27732 root / 2 drwxr-xr-x 512 r root sudo 27732 wd / 141635 drwxr-xr-x 512 r root sudo 27732 text / 123603 ---s--x--x 146416 r root sudo 27732 0 /dev 55 crw--w---- pts/0 rw root sudo 27732 1 /dev 55 crw--w---- pts/0 rw root sudo 27732 2 /dev 55 crw--w---- pts/0 rw root sudo 27732 3* local dgram c22ddd70 root cupsd 27621 root / 2 drwxr-xr-x 512 r root cupsd 27621 wd / 2 drwxr-xr-x 512 r root cupsd 27621 text / 167335 -r-x------ 425764 r root cupsd 27621 0 /dev 23 crw-rw-rw- null r root cupsd 27621 1 /dev 23 crw-rw-rw- null w root cupsd 27621 2 /dev 23 crw-rw-rw- null w root cupsd 27621 4 /var 112 -rw-r--r-- 8657 rw root cupsd 27621 5 /var 26 -rw-r--r-- 4457 rw root cupsd 27621 6 /var 113 -rw-r--r-- 78 rw root cupsd 27621 7* internet stream tcp c239f000 root cupsd 27621 8* local stream c22de764 root cupsd 27621 9* internet dgram udp c222f44c root cupsd 27621 10* pipe c21c4930 <-> c21c49e8 0 rw root cupsd 27621 11* pipe c21c49e8 <-> c21c4930 0 rw markand zsh 27552 root / 2 drwxr-xr-x 512 r markand zsh 27552 wd / 141635 drwxr-xr-x 512 r markand zsh 27552 text / 120676 -r-xr-xr-x 539936 r markand zsh 27552 0 /dev 55 crw--w---- pts/0 rw markand zsh 27552 1 /dev 55 crw--w---- pts/0 rw markand zsh 27552 2 /dev 55 crw--w---- pts/0 rw markand zsh 27552 10 /dev 55 crw--w---- pts/0 rw markand zsh 27552 12 / 120733 -rw-r--r-- 175256 r markand zsh 27552 13 / 121399 -rw-r--r-- 127840 r markand zsh 27552 14 / 120765 -rw-r--r-- 246128 r markand zsh 27552 15 / 121300 -rw-r--r-- 186416 r markand zsh 27552 16 / 120959 -rw-r--r-- 2424816 r markand zsh 27552 17 / 120748 -rw-r--r-- 46888 r markand sshd 27551 root / 2 drwxr-xr-x 512 r markand sshd 27551 wd / 2 drwxr-xr-x 512 r markand sshd 27551 text / 95137 -r-xr-xr-x 228188 r markand sshd 27551 0 /dev 23 crw-rw-rw- null rw markand sshd 27551 1 /dev 23 crw-rw-rw- null rw markand sshd 27551 2 /dev 23 crw-rw-rw- null rw markand sshd 27551 3* internet stream tcp c239f768 markand sshd 27551 4* local stream c22dee1c <-> c24bf000 markand sshd 27551 5* pipe c21c47a8 <-> c21c4860 0 rw markand sshd 27551 6* pipe c21c4860 <-> c21c47a8 0 rw markand sshd 27551 7* pseudo-terminal master pts/0 rw markand sshd 27551 9* pseudo-terminal master pts/0 rw markand sshd 27551 10* pseudo-terminal master pts/0 rw root sshd 27549 root / 2 drwxr-xr-x 512 r root sshd 27549 wd / 2 drwxr-xr-x 512 r root sshd 27549 text / 95137 -r-xr-xr-x 228188 r root sshd 27549 0 /dev 23 crw-rw-rw- null r root sshd 27549 1 /dev 23 crw-rw-rw- null rw root sshd 27549 2 /dev 23 crw-rw-rw- null rw root sshd 27549 3* internet stream tcp c239f768 root sshd 27549 4* pseudo-terminal master pts/0 rw root sshd 27549 5* local stream c24bf000 <-> c22dee1c root zsh 14180 root / 2 drwxr-xr-x 512 r root zsh 14180 wd / 164865 drwxr-xr-x 512 r root zsh 14180 text / 120676 -r-xr-xr-x 539936 r root zsh 14180 0 /dev 28 crw------- ttyu0 rw root zsh 14180 1 /dev 28 crw------- ttyu0 rw root zsh 14180 2 /dev 28 crw------- ttyu0 rw root zsh 14180 10 /dev 28 crw------- ttyu0 rw root zsh 14180 12 / 120733 -rw-r--r-- 175256 r root zsh 14180 13 / 121399 -rw-r--r-- 127840 r root zsh 14180 14 / 120765 -rw-r--r-- 246128 r root login 14179 root / 2 drwxr-xr-x 512 r root login 14179 wd / 164865 drwxr-xr-x 512 r root login 14179 text / 95243 -r-sr-xr-x 19116 r root login 14179 0 /dev 28 crw------- ttyu0 rw root login 14179 1 /dev 28 crw------- ttyu0 rw root login 14179 2 /dev 28 crw------- ttyu0 rw root login 14179 3* local dgram c22dd560 <-> c22dd2b0 nobody dnsmasq 37448 root / 2 drwxr-xr-x 512 r nobody dnsmasq 37448 wd / 2 drwxr-xr-x 512 r nobody dnsmasq 37448 text / 121623 -r-xr-xr-x 148684 r nobody dnsmasq 37448 0 /dev 23 crw-rw-rw- null rw nobody dnsmasq 37448 1 /dev 23 crw-rw-rw- null rw nobody dnsmasq 37448 2 /dev 23 crw-rw-rw- null rw nobody dnsmasq 37448 3 /var 1109 -rw-r--r-- 69 rw nobody dnsmasq 37448 4* internet dgram udp c222fe9c nobody dnsmasq 37448 5* internet raw icmp c23997bc nobody dnsmasq 37448 6 /dev 25 crw------- bpf rw nobody dnsmasq 37448 7* internet dgram udp c222f528 nobody dnsmasq 37448 8* internet stream tcp c239e9e0 nobody dnsmasq 37448 9* pipe c21c4ab8 <-> c21c4b70 0 rw nobody dnsmasq 37448 10* pipe c21c4b70 <-> c21c4ab8 0 rw nobody dnsmasq 37448 11* local dgram c22dda14 <-> c22dd35c root ntpd 54580 root / 2 drwxr-xr-x 512 r root ntpd 54580 wd / 2 drwxr-xr-x 512 r root ntpd 54580 text / 95480 -r-xr-xr-x 345040 r root ntpd 54580 0 /dev 23 crw-rw-rw- null rw root ntpd 54580 1 /dev 23 crw-rw-rw- null rw root ntpd 54580 2 /dev 23 crw-rw-rw- null rw root ntpd 54580 3* local dgram c22dd158 <-> c22dd2b0 root ntpd 54580 20* internet dgram udp c222fa50 root ntpd 54580 21* internet dgram udp c222f294 root ntpd 54580 22* internet dgram udp c222fc08 root ntpd 54580 23* internet dgram udp c222fce4 root ntpd 54580 24* route raw 0 c222e9a8 root hostapd 1330 root / 2 drwxr-xr-x 512 r root hostapd 1330 wd / 2 drwxr-xr-x 512 r root hostapd 1330 text / 95555 -r-xr-xr-x 241828 r root hostapd 1330 0 /dev 23 crw-rw-rw- null rw root hostapd 1330 1 /dev 23 crw-rw-rw- null rw root hostapd 1330 2 /dev 23 crw-rw-rw- null rw root hostapd 1330 3* internet dgram udp c222f370 root hostapd 1330 4 /dev 25 crw------- bpf rw root hostapd 1330 5* route raw 0 c23a0b44 root hostapd 1330 6* local dgram c22dd60c <-> c22dd2b0 root hostapd 1330 7* local dgram c22dd6b8 root cron 1286 root / 2 drwxr-xr-x 512 r root cron 1286 wd /var 2178 drwxr-x--- 512 r root cron 1286 text / 95401 -r-xr-xr-x 34276 r root cron 1286 0 /dev 23 crw-rw-rw- null rw root cron 1286 1 /dev 23 crw-rw-rw- null rw root cron 1286 2 /dev 23 crw-rw-rw- null rw root cron 1286 3 /var 1117 -rw------- 4 w root sshd 1275 root / 2 drwxr-xr-x 512 r root sshd 1275 wd / 2 drwxr-xr-x 512 r root sshd 1275 text / 95137 -r-xr-xr-x 228188 r root sshd 1275 0 /dev 23 crw-rw-rw- null rw root sshd 1275 1 /dev 23 crw-rw-rw- null rw root sshd 1275 2 /dev 23 crw-rw-rw- null rw root sshd 1275 3* internet stream tcp c239e278 nobody darkstat 1245 root / 2 drwxr-xr-x 512 r nobody darkstat 1245 wd /var 1113 drwxr-xr-x 512 r nobody darkstat 1245 text / 121785 -r-xr-xr-x 94785 r nobody darkstat 1245 0 /dev 23 crw-rw-rw- null rw nobody darkstat 1245 1 /dev 23 crw-rw-rw- null rw nobody darkstat 1245 2 /dev 23 crw-rw-rw- null rw nobody darkstat 1245 3* local stream c22dd000 <-> c22dd408 nobody darkstat 1244 root /var 1113 drwxr-xr-x 512 r nobody darkstat 1244 wd /var 1113 drwxr-xr-x 512 r nobody darkstat 1244 jail /var 1113 drwxr-xr-x 512 r nobody darkstat 1244 text / 121785 -r-xr-xr-x 94785 r nobody darkstat 1244 0 /dev 23 crw-rw-rw- null rw nobody darkstat 1244 1 /dev 23 crw-rw-rw- null rw nobody darkstat 1244 2 /dev 23 crw-rw-rw- null rw nobody darkstat 1244 3 /dev 25 crw------- bpf rw nobody darkstat 1244 7* local stream c22dd408 <-> c22dd000 nobody darkstat 1244 8* internet stream tcp c239e768 root syslogd 959 root / 2 drwxr-xr-x 512 r root syslogd 959 wd / 2 drwxr-xr-x 512 r root syslogd 959 text / 95529 -r-xr-xr-x 35916 r root syslogd 959 0 /dev 23 crw-rw-rw- null rw root syslogd 959 1 /dev 23 crw-rw-rw- null rw root syslogd 959 2 /dev 23 crw-rw-rw- null rw root syslogd 959 3 /var 1104 -rw------- 3 w root syslogd 959 4* local dgram c22dd35c root syslogd 959 5* local dgram c22dd2b0 root syslogd 959 6* internet dgram udp c222f604 root syslogd 959 7 /dev 10 crw------- klog r root syslogd 959 9 /dev 5 crw------- console w root syslogd 959 10 /var 19 -rw-r--r-- 80408 w root syslogd 959 11 /var 21 -rw------- 61 w root syslogd 959 12 /var 13 -rw------- 15574 w root syslogd 959 13 /var 141 -rw-r----- 225 w root syslogd 959 14 /var 17 -rw-r--r-- 119 w root syslogd 959 15 /var 22 -rw------- 61 w root syslogd 959 16 /var 12 -rw------- 78785 w root syslogd 959 17 /var 49 -rw------- 81367 w root syslogd 959 18 /var 20 -rw-r----- 61 w root devd 704 root / 2 drwxr-xr-x 512 r root devd 704 wd / 2 drwxr-xr-x 512 r root devd 704 text / 47150 -r-xr-xr-x 379540 r root devd 704 0 /dev 23 crw-rw-rw- null rw root devd 704 1 /dev 23 crw-rw-rw- null rw root devd 704 2 /dev 23 crw-rw-rw- null rw root devd 704 3 / 188420 drwxr-xr-x 512 r root devd 704 4 /dev 4 crw------- devctl r root devd 704 5* local stream c22dd968 root devd 704 6 /var 1103 -rw------- 3 w _pflogd pflogd 576 root /var 4 dr-xr-xr-x 512 r _pflogd pflogd 576 wd /var 4 dr-xr-xr-x 512 r _pflogd pflogd 576 jail /var 4 dr-xr-xr-x 512 r _pflogd pflogd 576 text / 47238 -r-xr-xr-x 18812 r _pflogd pflogd 576 0 /dev 23 crw-rw-rw- null rw _pflogd pflogd 576 1 /dev 23 crw-rw-rw- null rw _pflogd pflogd 576 2 /dev 23 crw-rw-rw- null rw _pflogd pflogd 576 3 /dev 25 crw------- bpf rw _pflogd pflogd 576 4 /var 32 -rw------- 14006 rw _pflogd pflogd 576 5* local stream c22ddb6c <-> c22ddc18 root pflogd 573 root / 2 drwxr-xr-x 512 r root pflogd 573 wd / 2 drwxr-xr-x 512 r root pflogd 573 text / 47238 -r-xr-xr-x 18812 r root pflogd 573 0 /dev 23 crw-rw-rw- null rw root pflogd 573 1 /dev 23 crw-rw-rw- null rw root pflogd 573 2 /dev 23 crw-rw-rw- null rw root pflogd 573 3 /dev 25 crw------- bpf rw root pflogd 573 4* local stream c22ddc18 <-> c22ddb6c root pflogd 573 5* local dgram c22dd0ac <-> c22dd2b0 root md1 87 root / 2 drwxr-xr-x 512 r root md1 87 wd / 2 drwxr-xr-x 512 r root md0 82 root / 2 drwxr-xr-x 512 r root md0 82 wd / 2 drwxr-xr-x 512 r root init 1 root / 2 drwxr-xr-x 512 r root init 1 wd / 2 drwxr-xr-x 512 r root init 1 text / 47225 -r-xr-xr-x 534608 r root kernel 0 root / 2 drwxr-xr-x 512 r root kernel 0 wd / 2 drwxr-xr-x 512 r Do you have any ideas? Cheers, -- David Demelier