This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1973735 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1973735 Title: GSM modem reset in mass storage mode Status in linux package in Ubuntu: Incomplete Bug description: I have a problem with Huawei's GSM modem. The device works correctly, but periodically restarts in mass storage mode. Bus 002 Device 072: ID 12d1:1003 Huawei Technologies Co., Ltd. E220 HSDPA Modem / E230/E270/E870 HSDPA/HSUPA Modem When the device reboots, I see the following entries in dmesg [ 2920.234149] usb-storage 2-1.2:1.2: USB Mass Storage device detected [ 2920.234879] scsi host88: usb-storage 2-1.2:1.2 [ 2920.249986] usbcore: registered new interface driver option [ 2920.250011] usbserial: USB Serial support registered for GSM modem (1-port) [ 2921.237843] scsi 88:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2 [ 2921.244733] sr 88:0:0:0: [sr1] scsi-1 drive [ 2921.244936] sr 88:0:0:0: Attached scsi CD-ROM sr1 [ 2921.245308] sr 88:0:0:0: Attached scsi generic sg2 type 5 [ 3075.739072] generic ttyUSB0: usb_serial_generic_read_bulk_callback - urb stopped: -32 [ 3075.740502] generic ttyUSB0: usb_serial_generic_read_bulk_callback - urb stopped: -32 [ 3076.591034] generic ttyUSB0: usb_serial_generic_write_bulk_callback - urb stopped: -32 [ 3076.592478] generic ttyUSB0: usb_serial_generic_write_bulk_callback - urb stopped: -32 [ 3077.252186] generic ttyUSB0: generic converter now disconnected from ttyUSB0 [ 3077.252243] usbserial_generic 2-1.2:1.0: device disconnected [ 3077.252390] generic ttyUSB1: generic converter now disconnected from ttyUSB1 [ 3077.252415] usbserial_generic 2-1.2:1.1: device disconnected [ 3077.323440] usb 2-1.2: reset full-speed USB device number 72 using ehci-pci [ 3077.395427] usb 2-1.2: device descriptor read/64, error -32 [ 3077.571409] usb 2-1.2: device descriptor read/64, error -32 [ 3077.747391] usb 2-1.2: reset full-speed USB device number 72 using ehci-pci [ 3077.819418] usb 2-1.2: device descriptor read/64, error -32 [ 3077.995413] usb 2-1.2: device descriptor read/64, error -32 [ 3078.171393] usb 2-1.2: reset full-speed USB device number 72 using ehci-pci [ 3078.579382] usb 2-1.2: device not accepting address 72, error -32 [ 3078.651382] usb 2-1.2: reset full-speed USB device number 72 using ehci-pci [ 3079.059371] usb 2-1.2: device not accepting address 72, error -32 [ 3079.060697] usb 2-1.2: USB disconnect, device number 72 [ 3080.747303] usb 2-1.2: new full-speed USB device number 73 using ehci-pci [ 3080.842355] usb 2-1.2: New USB device found, idVendor=12d1, idProduct=1003 [ 3080.842358] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 3080.842361] usb 2-1.2: Product: HUAWEI Mobile [ 3080.842363] usb 2-1.2: Manufacturer: HUAWEI Technologies [ 3080.843387] usb-storage 2-1.2:1.0: USB Mass Storage device detected [ 3080.844249] scsi host89: usb-storage 2-1.2:1.0 [ 3080.988474] usb 2-1.2: USB disconnect, device number 73 [ 3082.099272] usb 2-1.2: new full-speed USB device number 74 using ehci-pci [ 3082.194840] usb 2-1.2: New USB device found, idVendor=12d1, idProduct=1003 [ 3082.194843] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 3082.194846] usb 2-1.2: Product: HUAWEI Mobile [ 3082.194849] usb 2-1.2: Manufacturer: HUAWEI Technologies [ 3082.195867] usb-storage 2-1.2:1.0: USB Mass Storage device detected [ 3082.196278] usbserial_generic 2-1.2:1.0: The "generic" usb-serial driver is only for testing and one-off prototypes. [ 3082.196281] usbserial_generic 2-1.2:1.0: Tell linux-...@vger.kernel.org to add your device to a proper driver. [ 3082.196284] usbserial_generic 2-1.2:1.0: generic converter detected [ 3082.196358] usb 2-1.2: generic converter now attached to ttyUSB1 [ 3082.196631] usb-storage 2-1.2:1.1: USB Mass Storage device detected [ 3082.196726] usbserial_generic 2-1.2:1.1: The "generic" usb-serial driver is only for testing and one-off prototypes. [ 3082.196729] usbserial_generic 2-1.2:1.1: Tell linux-...@vger.kernel.org to add your device to a proper driver. [ 3082.196731] usbserial_generic 2-1.2:1.1: generic converter detected [ 3082.196808] usb 2-1.2: generic converter now attached to ttyUSB2 [ 3082.196876] usb-storage 2-1.2:1.2: USB Mass Storage device detected [ 3082.197513] scsi host92: usb-storage 2-1.2:1.2 [ 3083.197619] scsi 92:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2 [ 3083.203598] sr 92:0:0:0: [sr1] scsi-1 drive [ 3083.203766] sr 92:0:0:0: Attached scsi CD-ROM sr1 [ 3083.203880] sr 92:0:0:0: Attached scsi generic sg2 type 5 No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 16.04.6 LTS Release: 16.04 Codename: xenial Linux sql 4.4.0-210-generic #242-Ubuntu SMP Fri Apr 16 09:57:56 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1973735/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp