Hello Oliver, >> Are there any settings that controls the transmission power under Linux >> for the 3G-Modem, or is this device a "black box"? > It might be possible with AT commands. Please try using > cpufreq to lower your CPU's speed and test again. In the meantime i have seen also this crash effect with power supply plugged in. CPUFREQ should be already active lsmod: [..] thermal 20152 0 processor 43899 3 acpi_cpufreq thermal_sys 18185 5 video,acerhdf,fan,thermal,processor [..] /proc/cpuinfo: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Genuine Intel(R) CPU U4100 @ 1.30GHz stepping : 10 cpu MHz : 1200.000 cache size : 2048 KB My Intel CULV Dual Core Processor has only 1.2Ghz and 1.3Ghz steps. Also attached what I had found in /var/log/messages at "Feb 7 09:14:03" (the USB-Modem was kicked out for a moment). But deactivating modem-manager doesn't solve the problem. Do you think it will bring us forward, if I would do also testing with an external Huawei E161 stick? It uses the same "option" driver as my integrated Huawei EM770W. Regards Patrick
Feb 7 09:12:57 paddy-nmb pppd[2932]: pppd 2.4.5 started by paddy, uid 1000 Feb 7 09:12:57 paddy-nmb pppd[2932]: Using interface ppp0 Feb 7 09:12:57 paddy-nmb pppd[2932]: Connect: ppp0 <--> /dev/ttyUSB0 Feb 7 09:12:57 paddy-nmb pppd[2932]: CHAP authentication succeeded Feb 7 09:12:57 paddy-nmb pppd[2932]: CHAP authentication succeeded Feb 7 09:13:24 paddy-nmb vnstatd[1914]: Interface "ppp0" enabled. Feb 7 09:13:28 paddy-nmb pppd[2932]: IPCP: timeout sending Config-Requests Feb 7 09:13:28 paddy-nmb pppd[2932]: Terminating on signal 15 Feb 7 09:13:32 paddy-nmb pppd[2932]: Connection terminated. Feb 7 09:13:33 paddy-nmb pppd[2932]: Modem hangup Feb 7 09:13:33 paddy-nmb pppd[2932]: Exit. Feb 7 09:13:39 paddy-nmb modem-manager: (ttyUSB1) closing serial device... Feb 7 09:13:40 paddy-nmb modem-manager: (ttyUSB3) closing serial device... Feb 7 09:13:59 paddy-nmb modem-manager: (ttyUSB5) closing serial device... Feb 7 09:13:59 paddy-nmb modem-manager: (ttyUSB4) closing serial device... Feb 7 09:13:59 paddy-nmb modem-manager: (ttyUSB2) closing serial device... Feb 7 09:13:59 paddy-nmb kernel: [ 377.477764] option: option_instat_callback: error -71 Feb 7 09:13:59 paddy-nmb kernel: [ 377.478762] option: option_instat_callback: error -71 Feb 7 09:13:59 paddy-nmb kernel: [ 377.669765] option: option_instat_callback: error -71 Feb 7 09:13:59 paddy-nmb kernel: [ 377.670764] option: option_instat_callback: error -71 Feb 7 09:13:59 paddy-nmb kernel: [ 377.861711] option: option_instat_callback: error -71 Feb 7 09:13:59 paddy-nmb kernel: [ 377.862765] option: option_instat_callback: error -71 Feb 7 09:13:59 paddy-nmb kernel: [ 378.053775] option: option_instat_callback: error -71 Feb 7 09:13:59 paddy-nmb kernel: [ 378.054768] option: option_instat_callback: error -71 Feb 7 09:14:00 paddy-nmb kernel: [ 378.245706] option: option_instat_callback: error -71 Feb 7 09:14:00 paddy-nmb kernel: [ 378.246704] option: option_instat_callback: error -71 Feb 7 09:14:00 paddy-nmb kernel: [ 378.437715] option: option_instat_callback: error -71 Feb 7 09:14:00 paddy-nmb kernel: [ 378.438774] option: option_instat_callback: error -71 Feb 7 09:14:00 paddy-nmb kernel: [ 378.629781] option: option_instat_callback: error -71 Feb 7 09:14:00 paddy-nmb kernel: [ 378.630777] option: option_instat_callback: error -71 Feb 7 09:14:00 paddy-nmb kernel: [ 378.704270] option: option_instat_callback: error -2 Feb 7 09:14:00 paddy-nmb kernel: [ 378.704382] option: option_instat_callback: error -2 Feb 7 09:14:00 paddy-nmb kernel: [ 378.898783] option: option_instat_callback: error -71 Feb 7 09:14:00 paddy-nmb kernel: [ 378.899780] option: option_instat_callback: error -71 Feb 7 09:14:01 paddy-nmb kernel: [ 379.090784] option: option_instat_callback: error -71 Feb 7 09:14:01 paddy-nmb kernel: [ 379.091785] option: option_instat_callback: error -71 Feb 7 09:14:01 paddy-nmb kernel: [ 379.282787] option: option_instat_callback: error -71 Feb 7 09:14:01 paddy-nmb kernel: [ 379.283785] option: option_instat_callback: error -71 Feb 7 09:14:01 paddy-nmb kernel: [ 379.474788] option: option_instat_callback: error -71 Feb 7 09:14:01 paddy-nmb kernel: [ 379.475787] option: option_instat_callback: error -71 Feb 7 09:14:01 paddy-nmb kernel: [ 379.666796] option: option_instat_callback: error -71 Feb 7 09:14:01 paddy-nmb kernel: [ 379.667736] option: option_instat_callback: error -71 Feb 7 09:14:01 paddy-nmb kernel: [ 379.858737] option: option_instat_callback: error -71 Feb 7 09:14:01 paddy-nmb kernel: [ 379.859727] option: option_instat_callback: error -71 Feb 7 09:14:01 paddy-nmb kernel: [ 380.050744] option: option_instat_callback: error -71 Feb 7 09:14:01 paddy-nmb kernel: [ 380.051740] option: option_instat_callback: error -71 Feb 7 09:14:02 paddy-nmb kernel: [ 380.242744] option: option_instat_callback: error -71 Feb 7 09:14:02 paddy-nmb kernel: [ 380.243797] option: option_instat_callback: error -71 Feb 7 09:14:02 paddy-nmb kernel: [ 380.434798] option: option_instat_callback: error -71 Feb 7 09:14:02 paddy-nmb kernel: [ 380.435799] option: option_instat_callback: error -71 Feb 7 09:14:02 paddy-nmb kernel: [ 380.626800] option: option_instat_callback: error -71 Feb 7 09:14:02 paddy-nmb kernel: [ 380.627734] option: option_instat_callback: error -71 Feb 7 09:14:02 paddy-nmb kernel: [ 380.818804] option: option_instat_callback: error -71 Feb 7 09:14:02 paddy-nmb kernel: [ 380.819803] option: option_instat_callback: error -71 Feb 7 09:14:02 paddy-nmb kernel: [ 381.010743] option: option_instat_callback: error -71 Feb 7 09:14:02 paddy-nmb kernel: [ 381.011752] option: option_instat_callback: error -71 Feb 7 09:14:03 paddy-nmb kernel: [ 381.202757] option: option_instat_callback: error -71 Feb 7 09:14:03 paddy-nmb kernel: [ 381.203753] option: option_instat_callback: error -71 Feb 7 09:14:03 paddy-nmb kernel: [ 381.374132] SysRq : Emergency Sync Feb 7 09:14:03 paddy-nmb kernel: [ 381.374290] Emergency Sync complete Feb 7 09:14:03 paddy-nmb kernel: [ 381.394751] option: option_instat_callback: error -71 Feb 7 09:14:03 paddy-nmb kernel: [ 381.395743] option: option_instat_callback: error -71 Feb 7 09:14:03 paddy-nmb kernel: [ 381.586762] option: option_instat_callback: error -71 Feb 7 09:14:03 paddy-nmb kernel: [ 381.587757] option: option_instat_callback: error -71 Feb 7 09:14:03 paddy-nmb kernel: [ 381.749247] usb 2-3: USB disconnect, address 2 Feb 7 09:14:03 paddy-nmb kernel: [ 381.749337] option: option_instat_callback: error -108 Feb 7 09:14:03 paddy-nmb kernel: [ 381.749436] option: option_instat_callback: error -108 Feb 7 09:14:03 paddy-nmb kernel: [ 381.749714] option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 Feb 7 09:14:03 paddy-nmb kernel: [ 381.749747] option 2-3:1.0: device disconnected Feb 7 09:14:03 paddy-nmb kernel: [ 381.749939] option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1 Feb 7 09:14:03 paddy-nmb kernel: [ 381.749983] option 2-3:1.1: device disconnected Feb 7 09:14:03 paddy-nmb kernel: [ 381.751400] option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2 Feb 7 09:14:03 paddy-nmb kernel: [ 381.751454] option 2-3:1.2: device disconnected Feb 7 09:14:03 paddy-nmb kernel: [ 381.751693] option1 ttyUSB3: GSM modem (1-port) converter now disconnected from ttyUSB3 Feb 7 09:14:03 paddy-nmb kernel: [ 381.751735] option 2-3:1.3: device disconnected Feb 7 09:14:03 paddy-nmb kernel: [ 381.751955] option1 ttyUSB4: GSM modem (1-port) converter now disconnected from ttyUSB4 Feb 7 09:14:03 paddy-nmb kernel: [ 381.751996] option 2-3:1.4: device disconnected Feb 7 09:14:03 paddy-nmb kernel: [ 381.755060] option1 ttyUSB5: GSM modem (1-port) converter now disconnected from ttyUSB5 Feb 7 09:14:03 paddy-nmb kernel: [ 381.755502] option 2-3:1.5: device disconnected Feb 7 09:14:03 paddy-nmb modem-manager: Removed modem /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-3 Feb 7 09:14:03 paddy-nmb dbus-daemon: Rejected send message, 2 matched rules; type="error", sender=":1.8" (uid=0 pid=1870 comm="/usr/sbin/modem-manager) interface="(unset)" member="(unset)" error name="org.freedesktop.DBus.Error.UnknownMethod" requested_reply=0 destination=":1.7" (uid=0 pid=1868 comm="/usr/sbin/NetworkManager)) Feb 7 09:14:03 paddy-nmb kernel: [ 381.987121] usb 2-3: new high speed USB device using ehci_hcd and address 5 Feb 7 09:14:04 paddy-nmb kernel: [ 382.104672] usb 2-3: New USB device found, idVendor=12d1, idProduct=1404 Feb 7 09:14:04 paddy-nmb kernel: [ 382.104691] usb 2-3: New USB device strings: Mfr=3, Product=2, SerialNumber=0 Feb 7 09:14:04 paddy-nmb kernel: [ 382.104704] usb 2-3: Product: HUAWEI Mobile Feb 7 09:14:04 paddy-nmb kernel: [ 382.104713] usb 2-3: Manufacturer: HUAWEI Technology Feb 7 09:14:04 paddy-nmb kernel: [ 382.106762] option 2-3:1.0: GSM modem (1-port) converter detected Feb 7 09:14:04 paddy-nmb kernel: [ 382.106941] usb 2-3: GSM modem (1-port) converter now attached to ttyUSB1 Feb 7 09:14:04 paddy-nmb kernel: [ 382.107210] option 2-3:1.1: GSM modem (1-port) converter detected Feb 7 09:14:04 paddy-nmb kernel: [ 382.107338] usb 2-3: GSM modem (1-port) converter now attached to ttyUSB2 Feb 7 09:14:04 paddy-nmb kernel: [ 382.107658] option 2-3:1.2: GSM modem (1-port) converter detected Feb 7 09:14:04 paddy-nmb kernel: [ 382.107781] usb 2-3: GSM modem (1-port) converter now attached to ttyUSB3 Feb 7 09:14:04 paddy-nmb kernel: [ 382.108127] option 2-3:1.3: GSM modem (1-port) converter detected Feb 7 09:14:04 paddy-nmb kernel: [ 382.108255] usb 2-3: GSM modem (1-port) converter now attached to ttyUSB4 Feb 7 09:14:04 paddy-nmb kernel: [ 382.108577] option 2-3:1.4: GSM modem (1-port) converter detected Feb 7 09:14:04 paddy-nmb kernel: [ 382.108705] usb 2-3: GSM modem (1-port) converter now attached to ttyUSB5 Feb 7 09:14:04 paddy-nmb kernel: [ 382.108976] option 2-3:1.5: GSM modem (1-port) converter detected Feb 7 09:14:04 paddy-nmb kernel: [ 382.109153] usb 2-3: GSM modem (1-port) converter now attached to ttyUSB6 Feb 7 09:14:04 paddy-nmb modem-manager: (Huawei): (ttyUSB5) deferring support check Feb 7 09:14:04 paddy-nmb modem-manager: (Huawei): (ttyUSB3) deferring support check Feb 7 09:14:04 paddy-nmb modem-manager: (ttyUSB1) opening serial device... Feb 7 09:14:04 paddy-nmb modem-manager: (ttyUSB1): probe requested by plugin 'Huawei' Feb 7 09:14:04 paddy-nmb modem-manager: (Huawei): (ttyUSB6) deferring support check Feb 7 09:14:04 paddy-nmb modem-manager: (Huawei): (ttyUSB2) deferring support check Feb 7 09:14:04 paddy-nmb modem-manager: (Huawei): (ttyUSB4) deferring support check Feb 7 09:14:04 paddy-nmb kernel: [ 382.278085] SysRq : Emergency Sync Feb 7 09:14:04 paddy-nmb kernel: [ 382.278443] Emergency Sync complete Feb 7 09:14:04 paddy-nmb kernel: [ 382.947069] SysRq : Emergency Sync Feb 7 09:14:04 paddy-nmb kernel: [ 382.947357] Emergency Sync complete Feb 7 09:14:05 paddy-nmb kernel: [ 383.692875] SysRq : Emergency Sync Feb 7 09:14:05 paddy-nmb kernel: [ 383.693116] Emergency Sync complete Feb 7 09:14:05 paddy-nmb modem-manager: (ttyUSB1) closing serial device... Feb 7 09:14:05 paddy-nmb modem-manager: (Huawei): GSM modem /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-3 claimed port ttyUSB1 Feb 7 09:14:05 paddy-nmb modem-manager: Added modem /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-3 Feb 7 09:14:05 paddy-nmb modem-manager: signal "completed" (from "Completed") exported but not found in object class "MMModemHuawei" Feb 7 09:14:05 paddy-nmb modem-manager: Exported modem /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-3 as /org/freedesktop/ModemManager/Modems/2 Feb 7 09:14:06 paddy-nmb kernel: [ 384.526382] SysRq : Emergency Sync Feb 7 09:14:06 paddy-nmb kernel: [ 384.526519] Emergency Sync complete Feb 7 09:14:07 paddy-nmb kernel: [ 385.193194] SysRq : Emergency Sync Feb 7 09:14:07 paddy-nmb kernel: [ 385.193475] Emergency Sync complete Feb 7 09:14:07 paddy-nmb modem-manager: (ttyUSB5): re-checking support... Feb 7 09:14:07 paddy-nmb modem-manager: (ttyUSB5) opening serial device... Feb 7 09:14:07 paddy-nmb modem-manager: (ttyUSB3): re-checking support... Feb 7 09:14:07 paddy-nmb modem-manager: (ttyUSB3) opening serial device... Feb 7 09:14:07 paddy-nmb modem-manager: (ttyUSB3) closing serial device... Feb 7 09:14:07 paddy-nmb modem-manager: (Huawei): GSM modem /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-3 claimed port ttyUSB3 Feb 7 09:14:07 paddy-nmb modem-manager: (ttyUSB6): re-checking support... Feb 7 09:14:07 paddy-nmb modem-manager: (ttyUSB6) opening serial device... Feb 7 09:14:07 paddy-nmb modem-manager: (ttyUSB2): re-checking support... Feb 7 09:14:07 paddy-nmb modem-manager: (ttyUSB2) opening serial device... Feb 7 09:14:07 paddy-nmb modem-manager: (ttyUSB4): re-checking support... Feb 7 09:14:07 paddy-nmb modem-manager: (ttyUSB4) opening serial device... Feb 7 09:14:07 paddy-nmb kernel: [ 385.914490] SysRq : Emergency Sync Feb 7 09:14:07 paddy-nmb kernel: [ 385.914622] Emergency Sync complete Feb 7 09:14:08 paddy-nmb kernel: [ 386.650841] SysRq : Emergency Sync Feb 7 09:14:08 paddy-nmb kernel: [ 386.650965] Emergency Sync complete Feb 7 09:14:09 paddy-nmb kernel: [ 387.429139] SysRq : Emergency Sync Feb 7 09:14:09 paddy-nmb kernel: [ 387.429271] Emergency Sync complete Feb 7 09:14:10 paddy-nmb kernel: [ 388.184257] SysRq : Emergency Sync Feb 7 09:14:10 paddy-nmb kernel: [ 388.184389] Emergency Sync complete Feb 7 09:14:10 paddy-nmb kernel: [ 388.879894] SysRq : Emergency Sync Feb 7 09:14:10 paddy-nmb kernel: [ 388.880127] Emergency Sync complete Feb 7 09:14:12 paddy-nmb modem-manager: (ttyUSB5) closing serial device... Feb 7 09:14:12 paddy-nmb modem-manager: (ttyUSB5) opening serial device... Feb 7 09:14:12 paddy-nmb modem-manager: (ttyUSB5): probe requested by plugin 'Generic' Feb 7 09:14:12 paddy-nmb modem-manager: (ttyUSB6) closing serial device... Feb 7 09:14:12 paddy-nmb modem-manager: (ttyUSB6) opening serial device... Feb 7 09:14:12 paddy-nmb modem-manager: (ttyUSB6): probe requested by plugin 'Generic' Feb 7 09:14:12 paddy-nmb modem-manager: (ttyUSB2) closing serial device... Feb 7 09:14:12 paddy-nmb modem-manager: (ttyUSB2) opening serial device... Feb 7 09:14:12 paddy-nmb modem-manager: (ttyUSB2): probe requested by plugin 'Generic' Feb 7 09:14:12 paddy-nmb modem-manager: (ttyUSB4) closing serial device... Feb 7 09:14:12 paddy-nmb modem-manager: (ttyUSB4) opening serial device... Feb 7 09:14:12 paddy-nmb modem-manager: (ttyUSB4): probe requested by plugin 'Generic' Feb 7 09:14:12 paddy-nmb kernel: [ 390.252171] SysRq : Emergency Sync Feb 7 09:14:12 paddy-nmb kernel: [ 390.252296] Emergency Sync complete Feb 7 09:14:12 paddy-nmb kernel: [ 390.973473] SysRq : Emergency Sync Feb 7 09:14:12 paddy-nmb kernel: [ 390.973762] Emergency Sync complete Feb 7 09:14:13 paddy-nmb kernel: [ 391.652023] SysRq : Emergency Sync Feb 7 09:14:13 paddy-nmb kernel: [ 391.652149] Emergency Sync complete Feb 7 09:14:14 paddy-nmb kernel: [ 392.379908] SysRq : Emergency Sync Feb 7 09:14:14 paddy-nmb kernel: [ 392.380040] Emergency Sync complete Feb 7 09:14:15 paddy-nmb kernel: [ 393.152575] SysRq : Emergency Sync Feb 7 09:14:15 paddy-nmb kernel: [ 393.152696] Emergency Sync complete Feb 7 09:14:15 paddy-nmb kernel: [ 393.904884] SysRq : Emergency Sync Feb 7 09:14:15 paddy-nmb kernel: [ 393.905032] Emergency Sync complete Feb 7 09:14:16 paddy-nmb kernel: [ 394.587667] SysRq : Emergency Sync Feb 7 09:14:16 paddy-nmb kernel: [ 394.587965] Emergency Sync complete Feb 7 09:14:17 paddy-nmb kernel: [ 395.301288] SysRq : Emergency Sync Feb 7 09:14:17 paddy-nmb kernel: [ 395.301412] Emergency Sync complete Feb 7 09:14:24 paddy-nmb vnstatd[1914]: Interface "ppp0" disabled. Feb 7 09:14:25 paddy-nmb modem-manager: (ttyUSB5) closing serial device... Feb 7 09:14:25 paddy-nmb modem-manager: (Generic): GSM modem /sys/devices/pci0000:00/0000:00:1d.7/usb2/2-3 claimed port ttyUSB5 Feb 7 09:14:26 paddy-nmb kernel: [ 405.007737] SysRq : Emergency Sync Feb 7 09:14:26 paddy-nmb kernel: [ 405.007978] Emergency Sync complete Feb 7 09:14:28 paddy-nmb kernel: [ 406.387618] SysRq : Emergency Sync Feb 7 09:14:28 paddy-nmb kernel: [ 406.388047] Emergency Sync complete
