Intermittent boot hang, cites modem-manager

[Vanessa Dannenberg]

Binary package hint: modemmanager

The system hangs on boot intermittently, and always at the same place.

This is a fresh install of Karmic (final release, not the beta), on a *desktop* system that lacks any kind of wireless, bluetooth, modems of any kind or interface, etc. All it has for networking is a run of the mill 10/100 NIC.

A simple ctrl-alt-delete is enough to wake it up and reboot it. The one time I got to see any messages on the console, modem-manager was the system's primary complaint, with text regarding the loading of several plugins. I was unable to capture these messages, nor have I found anything relevant in the system logs. I could submit said logs or photograph the screen the next time it happens, if desired.

The machine's packages are all up to date.

This issue is similar to Bug #446294, though the "solution" given there does not apply to my system.

[slcpunk (sckemp1)]

I also have this problem. Same exact symptoms. I can't find the entries in any log file afterwards however -- as the next boot seems to overwrite them?

I would be happy to provide more info if someone can point me in the right direction for getting the log info needed.

[Vanessa Dannenberg (vanessadannenberg)]

I should also point out that the "crypto disks" message is confusing, as this machine does not use any kind of encrypted storage media.

[Marstein (clmar)]

I get the same message as the second screendump, but it is on a laptop, with wireless network, but no 3G or similar stuff.

[Rostislav Stříbrný (rstribrn)]

It seems to me that this is the problem I face with my T530.

I've got fresh installation of Ubuntu 12.10 and it ALWAYS hangs during the OS startup.

Workaround: Simple CTRL+C kills the modemmanager and the booting process continues without problem.

However, it is pretty annoying so I've uninstalled modemmanager for right...

/var/log/upstart/modemmanager.log attached.

[Rostislav Stříbrný (rstribrn)]

Part of /var/log/syslog

...
Oct 30 20:25:40 xxxxx ntpdate[1702]: step time server 91.189.94.4 offset -0.696794 sec
Oct 30 20:25:42 xxxxx cntlm: Starting cntlm version 0.92.3 for LITTLE endian
Oct 30 20:25:42 xxxxx cntlm: Proxy listening on 127.0.0.1:3128
Oct 30 20:25:42 xxxxx cntlm: Workstation name used: xxxxx
Oct 30 20:25:42 xxxxx cntlm: Using following NTLM hashes: NTLMv2(1) NT(0) LM(0)
Oct 30 20:25:42 xxxxx cntlm[1845]: Daemon ready
Oct 30 20:25:42 xxxxx cntlm[1845]: Changing uid:gid to 117:65534 - Success
Oct 30 20:25:43 xxxxx modem-manager[1180]: <info> (ttyS4) closing serial port...
Oct 30 20:25:43 xxxxx modem-manager[1180]: <info> (ttyS4) serial port closed
Oct 30 20:25:43 xxxxx modem-manager[1180]: <info> (ttyS4) opening serial port...
Oct 30 20:25:55 xxxxx modem-manager[1180]: <info> (ttyS4) closing serial port...
Oct 30 20:25:55 xxxxx modem-manager[1180]: <info> (ttyS4) serial port closed
Oct 30 20:25:55 xxxxx modem-manager[1180]: <info> (ttyS4) opening serial port...
Oct 30 20:26:01 xxxxx modem-manager[1180]: <info> (ttyS4) closing serial port...
Oct 30 20:26:01 xxxxx modem-manager[1180]: <info> (ttyS4) serial port closed

...here I pressed CTRL+C...

Oct 30 20:40:45 xxxxx cron[2003]: (CRON) INFO (pidfile fd = 3)
Oct 30 20:40:45 xxxxx anacron[2032]: Anacron 2.3 started on 2012-10-30
Oct 30 20:40:45 xxxxx acpid: starting up with proc fs
Oct 30 20:40:45 xxxxx kernel: [ 932.782273] audit_printk_skb: 48 callbacks suppressed
Oct 30 20:40:45 xxxxx kernel: [ 932.782276] type=1400 audit(1351626045.167:36): apparmor="STATUS" operation="profile_replace" name="/usr/sbin/mysqld" pid=2069 comm="apparmor_parser"
Oct 30 20:40:45 xxxxx named[2124]: starting BIND 9.8.1-P1 -u bind
Oct 30 20:40:45 xxxxx named[2124]: built with '--prefix=/usr' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--sysconfdir=/etc/bind' '--localstatedir=/var' '--enable-threads' '--enable-largefile' '--with-libtool' '--enable-shared' '--enable-static' '--with-openssl=/usr' '--with-gssapi=/usr' '--with-gnu-ld' '--with-geoip=/usr' '--enable-ipv6' 'CFLAGS=-fno-strict-aliasing -DDIG_SIGCHASE -O2'
Oct 30 20:40:45 xxxxx named[2124]: adjusted limit on open files from 4096 to 1048576
Oct 30 20:40:45 xxxxx named[2124]: found 4 CPUs, using 4 worker threads
Oct 30 20:40:45 xxxxx named[2124]: using up to 4096 sockets
Oct 30 20:40:45 xxxxx named[2124]: loading configuration from '/etc/bind/named.conf'
Oct 30 20:40:45 xxxxx named[2124]: reading built-in trusted keys from file '/etc/bind/bind.keys'
...

[Rostislav Stříbrný (rstribrn)]

Unfortunately (for me), the workaround "solution" doesn't work for me at all. I'm current even not certain if the problem described by me is really in the modemmanager package.

Therefore please IGNORE my previous comments since they may NOT be related to this ticket at all :-(((

Sorry for any inconvenience.