Public bug reported:
After suspend/resume cycle USB 3G modem is in disconnected state. Modem-
manager reports device state just changing between disconnecting and
connected:
Sep 27 11:17:02 rantapallo modem-manager[1198]: <info> Modem
/org/freedesktop/ModemManager/Modems/8: state changed (connected ->
disconnecting)
Sep 27 11:17:02 rantapallo modem-manager[1198]: <info> Modem
/org/freedesktop/ModemManager/Modems/8: state changed (disconnecting ->
connected)
But I can make modem-manager to reset the complete state just by killing
it.
Sep 27 11:17:25 rantapallo modem-manager[1198]: <info> Caught signal 15,
shutting down...
Sep 27 11:17:25 rantapallo modem-manager[1198]: <info> Modem
/org/freedesktop/ModemManager/Modems/8: state changed (connected ->
disconnecting)
Sep 27 11:17:25 rantapallo modem-manager[1198]: <info> Modem
/org/freedesktop/ModemManager/Modems/8: state changed (disconnecting ->
connected)
Sep 27 11:17:25 rantapallo modem-manager[1198]: disable_disconnect_done:
(/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2): error disconnecting the
modem while disabling: (5) The serial port is not open.
Sep 27 11:17:25 rantapallo modem-manager[1198]:
(mm-generic-gsm.c:2285):disable: runtime check failed: (priv->cid == -1)
Sep 27 11:17:25 rantapallo modem-manager[1198]: <info> Modem
/org/freedesktop/ModemManager/Modems/8: state changed (connected -> disabling)
Sep 27 11:17:25 rantapallo NetworkManager[1270]: <info> WWAN now disabled by
management service
Sep 27 11:17:25 rantapallo modem-manager[1198]: <info> (ttyUSB2) closing
serial port...
Sep 27 11:17:25 rantapallo modem-manager[1198]: <info> (ttyUSB2) serial port
closed
Sep 27 11:17:25 rantapallo modem-manager[1198]: <info> Modem
/org/freedesktop/ModemManager/Modems/8: state changed (disabling -> disabled)
Sep 27 11:17:25 rantapallo NetworkManager[1270]: <info> (ttyUSB0): device state
change: disconnected -> unmanaged (reason 'removed') [30 10 36]
Sep 27 11:17:25 rantapallo NetworkManager[1270]: <info> (ttyUSB0): cleaning
up...
Sep 27 11:17:25 rantapallo NetworkManager[1270]: <info> (ttyUSB0): taking down
device.
Sep 27 11:17:25 rantapallo NetworkManager[1270]: nm_system_iface_set_up:
assertion `ifindex > 0' failed
Sep 27 11:17:25 rantapallo NetworkManager[1270]: <info> the modem manager
disappeared
Sep 27 11:17:25 rantapallo dbus[729]: [system] Activating service
name='org.freedesktop.ModemManager' (using servicehelper)
Sep 27 11:17:25 rantapallo modem-manager[8154]: <info> ModemManager (version
0.6.0.0) starting...
Sep 27 11:17:25 rantapallo modem-manager[8156]: <info> ModemManager (version
0.6.0.0) starting...
Sep 27 11:17:25 rantapallo dbus[729]: [system] Successfully activated service
'org.freedesktop.ModemManager'
Sep 27 11:17:25 rantapallo NetworkManager[1270]: <info> modem-manager is now
available
*** plugin loading ***
*** Serial port opening spam ***
Sep 27 11:17:54 rantapallo modem-manager[8154]: <info> Modem
/org/freedesktop/ModemManager/Modems/0: state changed (disabled -> enabling)
Sep 27 11:17:55 rantapallo modem-manager[8154]: <info> (ttyUSB2): using PDU
mode for SMS
Sep 27 11:17:55 rantapallo modem-manager[8154]: <info> Modem
/org/freedesktop/ModemManager/Modems/0: state changed (enabling -> enabled)
Sep 27 11:17:55 rantapallo NetworkManager[1270]: <info> WWAN now enabled by
management service
Sep 27 11:17:55 rantapallo modem-manager[8154]: <info> Modem
/org/freedesktop/ModemManager/Modems/0: state changed (enabled -> registered)
Sep 27 11:17:55 rantapallo modem-manager[8154]: <info> (ttyUSB0) opening
serial port...
Sep 27 11:17:55 rantapallo modem-manager[8154]: <warn> (ttyUSB0): port
attributes not fully set
Sep 27 11:17:55 rantapallo modem-manager[8154]: <info> Modem
/org/freedesktop/ModemManager/Modems/0: state changed (registered -> connecting)
Sep 27 11:17:55 rantapallo modem-manager[8154]: <info> Modem
/org/freedesktop/ModemManager/Modems/0: state changed (connecting -> connected)
To me it seems that modem-manager would just need to know about
suspend/resume and how to close and reopen with completely clean state
the modem.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: modemmanager 0.6.0.0.really-0ubuntu5
ProcVersionSignature: Ubuntu 3.8.0-30.44-generic 3.8.13.6
Uname: Linux 3.8.0-30-generic x86_64
ApportVersion: 2.9.2-0ubuntu8.3
Architecture: amd64
Date: Fri Sep 27 11:19:21 2013
InstallationDate: Installed on 2011-11-02 (695 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
MarkForUpload: True
SourcePackage: modemmanager
UpgradeStatus: Upgraded to raring on 2013-09-18 (8 days ago)
** Affects: modemmanager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug raring
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https://bugs.launchpad.net/bugs/1231858
Title:
modem-manager state doesn't match hardware state after suspend (not
able to connect)
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