SEGFAULT with MM HEAD when probing

Bjørn Mork bjorn at
Wed Apr 21 18:39:04 UTC 2021

Bjørn Mork <bjorn at> writes:

> Guess I have to figure out how to build this with a few more symbols and
> running gdb.

OK, so now I have:

[6596]: <debug> [1619029470.853036] [ttyUSB0/qcdm] opening serial port...
[6596]: <debug> [1619029470.854109] [ttyUSB0/qcdm] device open count is 1 (open)
[6596]: <debug> [1619029470.854688] [cdc-wdm0/probe] probing QMI...

Thread 1 "ModemManager" received signal SIGSEGV, Segmentation fault.
0x77a7310f in install_property_internal () from /usr/lib/
(gdb) bt
#0  0x77a7310f in install_property_internal () from /usr/lib/
#1  0x77a731db in validate_and_install_class_property () from /usr/lib/
Backtrace stopped: frame did not save the PC

Still doesn't tell me much.


More information about the ModemManager-devel mailing list