Re: Re: Does not Debian support mobile broadband anymore?

I use dmesg to view the system message, and get these informations as below,

[ 1535.372130] usb 1-6: new high-speed USB device number 8 using xhci_hcd
[ 1535.378889] thinkpad_acpi: unknown possible thermal alarm or keyboard event received
[ 1535.378893] thinkpad_acpi: unhandled HKEY event 0x60b0
[ 1535.378894] thinkpad_acpi: please report the conditions when this event happened to [email protected]
[ 1535.513304] usb 1-6: New USB device found, idVendor=1199, idProduct=9078
[ 1535.513308] usb 1-6: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1535.513310] usb 1-6: Product: Sierra Wireless EM7455 Qualcomm
[ 1535.513312] usb 1-6: Manufacturer: Sierra Wireless, Incorporated
[ 1535.513313] usb 1-6: SerialNumber: LF72567821041020
[ 1535.513996] qcserial 1-6:1.0: Qualcomm USB modem converter detected
[ 1535.514212] usb 1-6: Qualcomm USB modem converter now attached to ttyUSB0
[ 1535.515015] usb 1-6: USB disconnect, device number 8
[ 1535.515330] qcserial ttyUSB0: Qualcomm USB modem converter now disconnected from ttyUSB0
[ 1535.515356] qcserial 1-6:1.0: device disconnected
[ 1536.014626] thinkpad_acpi: unknown possible thermal alarm or keyboard event received
[ 1536.014628] thinkpad_acpi: unhandled HKEY event 0x60b1
[ 1536.014629] thinkpad_acpi: please report the conditions when this event happened to [email protected]
[ 1536.524163] usb 1-6: new high-speed USB device number 9 using xhci_hcd
[ 1536.665054] usb 1-6: config 1 interface 0 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 64
[ 1536.665058] usb 1-6: config 1 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 64
[ 1536.665988] usb 1-6: New USB device found, idVendor=1199, idProduct=9078
[ 1536.665992] usb 1-6: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1536.665994] usb 1-6: Product: Sierra Wireless EM7455 Qualcomm
[ 1536.665996] usb 1-6: Manufacturer: Sierra Wireless, Incorporated
[ 1536.665998] usb 1-6: SerialNumber: LF72567821041020
[ 1536.666822] usb 1-6: USB disconnect, device number 9
[ 1544.686163] thinkpad_acpi: unknown possible thermal alarm or keyboard event received
[ 1544.686167] thinkpad_acpi: unhandled HKEY event 0x60b0
[ 1544.686168] thinkpad_acpi: please report the conditions when this event happened to [email protected]
[ 1553.785361] usb 1-6: new high-speed USB device number 11 using xhci_hcd
[ 1553.926371] usb 1-6: New USB device found, idVendor=1199, idProduct=9078
[ 1553.926390] usb 1-6: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1553.926392] usb 1-6: Product: Sierra Wireless EM7455 Qualcomm
[ 1553.926394] usb 1-6: Manufacturer: Sierra Wireless, Incorporated
[ 1553.926395] usb 1-6: SerialNumber: LF72567821041020
[ 1553.926986] qcserial 1-6:1.0: Qualcomm USB modem converter detected
[ 1553.927112] usb 1-6: Qualcomm USB modem converter now attached to ttyUSB0
[ 1553.928024] usb 1-6: USB disconnect, device number 11
[ 1553.928258] qcserial ttyUSB0: Qualcomm USB modem converter now disconnected from ttyUSB0
[ 1553.928275] qcserial 1-6:1.0: device disconnected
[ 1554.937425] usb 1-6: new high-speed USB device number 12 using xhci_hcd
[ 1555.078351] usb 1-6: config 1 interface 0 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 64
[ 1555.078354] usb 1-6: config 1 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 64
[ 1555.079241] usb 1-6: New USB device found, idVendor=1199, idProduct=9078
[ 1555.079245] usb 1-6: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1555.079247] usb 1-6: Product: Sierra Wireless EM7455 Qualcomm
[ 1555.079249] usb 1-6: Manufacturer: Sierra Wireless, Incorporated
[ 1555.079250] usb 1-6: SerialNumber: LF72567821041020
[ 1555.080269] usb 1-6: USB disconnect, device number 12


That is to say, the device Sierra Wireless EM7455 is connected and disconnected frequently. It should be a problem of something. But I do not known what it is. This device worked fine before Oct 29.




> -----原始邮件-----
> 发件人: "Bjørn Mork" <[email protected]>
> 发送时间: 2017-11-23 15:48:10 (星期四)
> 收件人: [email protected]
> 抄送: [email protected]
> 主题: Re: Does not Debian support mobile broadband anymore?
> 
> [email protected] writes:
> 
> > Hi, everyone,
> >
> > Since my Debian testing was upgraded on Oct 29, the mobile broadband in my laptop could not be used. The mobile broadband is missing in the network-manager UI, and wvdialconf can not configure the broadband either. The message of wvdialconf is as below,
> >
> > **********************************************
> > Editing `/etc/wvdial.conf'.
> >
> > Scanning your serial ports for a modem.
> >
> > ttyS0<*1>: ATQ0 V1 E1 -- failed with 2400 baud, next try: 9600 baud
> > ttyS0<*1>: ATQ0 V1 E1 -- failed with 9600 baud, next try: 115200 baud
> > ttyS0<*1>: ATQ0 V1 E1 -- and failed too at 115200, giving up.
> > Modem Port Scan<*1>: S1   S2   S3   
> > WvModem<*1>: Cannot get information for serial port.
> > ttyUSB0<*1>: ATQ0 V1 E1 -- [01]
> > ttyUSB0<*1>: failed with 2400 baud, next try: 9600 baud
> > ttyUSB0<*1>: ATQ0 V1 E1 -- [01]
> > ttyUSB0<*1>: failed with 9600 baud, next try: 9600 baud
> > ttyUSB0<*1>: ATQ0 V1 E1 -- [01]
> > ttyUSB0<*1>: and failed too at 115200, giving up.
> 
> ttyS0 is not your modem, and ttyUSB0 is either the EM7455 DIAG port or
> firmware upgrade port, depending on modem state.  So this result from
> wvdialconf is expected.  Don't know the first thin about wvdial...
> 
> Please provide some useful info instead:
> 
> lsusb -v
>   will tell you whether the modem is detected and has booted properly, and
>   also which mode it is configured for.
> 
> mmcli -L
>   will show you a list of modems detected by modemmanger
> 
> mmcli -m X, where X is an index from the above list
>   will show you more details on the specific modem
> 
> 
> Further debug steps depend on the results of these commands.  You might
> want to look at the generic ModemManager debug steps:
> https://www.freedesktop.org/wiki/Software/ModemManager/Debugging/
> 
> 
> 
> Bjørn