Public bug reported:
When connecting a USB 3G modem (HUAWEI E173), usb_modeswitch segfaults
and the device is not recognized as a modem:
Syslog output:
n 24 14:45:33 pursue kernel: [ 1072.926833] usb 2-1.2: new high-speed USB
device number 4 using ehci_hcd
Jan 24 14:45:33 pursue mtp-probe: checking bus 2, device 4:
"/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2"
Jan 24 14:45:33 pursue mtp-probe: bus: 2, device: 4 was not an MTP device
Jan 24 14:45:33 pursue kernel: [ 1073.023345] scsi8 : usb-storage 2-1.2:1.0
Jan 24 14:45:33 pursue kernel: [ 1073.023819] scsi9 : usb-storage 2-1.2:1.1
Jan 24 14:45:33 pursue kernel: [ 1073.036193] show_signal_msg: 57 callbacks
suppressed
Jan 24 14:45:33 pursue kernel: [ 1073.036202] usb_modeswitch_[5010]: segfault
at 0 ip 00007f3b33365541 sp 00007ffff0a97728 error 4 in
libc-2.13.so[7f3b332df000+197000]
Jan 24 14:45:34 pursue kernel: [ 1074.025122] scsi 9:0:0:0: Direct-Access
HUAWEI SD Storage 2.31 PQ: 0 ANSI: 2
Jan 24 14:45:34 pursue kernel: [ 1074.025126] scsi 8:0:0:0: CD-ROM
HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2
Jan 24 14:45:34 pursue kernel: [ 1074.025783] sd 9:0:0:0: Attached scsi generic
sg1 type 0
Jan 24 14:45:34 pursue kernel: [ 1074.035047] sr0: scsi-1 drive
** Affects: usb-modeswitch (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/921151
Title:
usb-modeswitch segfaults when connecting a HUAWEI E173
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