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IDProjectCategoryView StatusLast Update
0016352CentOS-7NetworkManagerpublic2019-08-23 12:25
Reportercparg 
PriorityurgentSeverityblockReproducibilityalways
Status newResolutionopen 
Product Version7.6.1810 
Target VersionFixed in Version 
Summary0016352: Segfault of Networkmanager when libnm.wwan.so is loaded
DescriptionThe entire KDE Desktop is inoperable as soon as I install NetworkManager-wwan.x86_64 and NM is restarted

Steps To Reproduce1. install NetworkManager-wwan.x86_64
2. systemctl restart NetworkManager.service
Additional InformationAug 23 14:06:51 crusty NetworkManager[25585]: <info> [1566562011.2351] manager: NetworkManager state is now CONNECTING
Aug 23 14:06:51 crusty nm-dispatcher: root: NM IF=none STATUS=hostname has_cisco_device=1
Aug 23 14:06:51 crusty root: NM IF=none STATUS=hostname has_cisco_device=1
Aug 23 14:06:51 crusty nm-dispatcher: req:20 'connectivity-change': start running ordered scripts...
Aug 23 14:06:51 crusty ModemManager[1559]: <info> Simple connect started...
Aug 23 14:06:51 crusty ModemManager[1559]: <info> Simple connect state (4/8): Wait to get fully enabled
Aug 23 14:06:51 crusty ModemManager[1559]: <info> Simple connect state (5/8): Register
Aug 23 14:06:51 crusty ModemManager[1559]: <info> Simple connect state (6/8): Bearer
Aug 23 14:06:51 crusty ModemManager[1559]: <info> Simple connect state (7/8): Connect
Aug 23 14:06:51 crusty ModemManager[1559]: <info> Simple connect state (8/8): All done
Aug 23 14:06:51 crusty NetworkManager[25585]: <info> [1566562011.2448] device (cdc-wdm0): state change: prepare -> config (reason 'none', sys-iface-state: 'managed')
Aug 23 14:06:51 crusty NetworkManager[25585]: <info> [1566562011.2517] sup-iface[0x559ea53c9a20,wlp2s0]: supports 5 scan SSIDs
Aug 23 14:06:51 crusty NetworkManager[25585]: <info> [1566562011.2519] device (cdc-wdm0): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed')
Aug 23 14:06:51 crusty NetworkManager[25585]: <info> [1566562011.2521] modem-broadband[cdc-wdm0]: IPv4 static configuration:
Aug 23 14:06:51 crusty NetworkManager[25585]: <info> [1566562011.2522] modem-broadband[cdc-wdm0]: address 100.69.229.231/28
Aug 23 14:06:51 crusty NetworkManager[25585]: <info> [1566562011.2522] modem-broadband[cdc-wdm0]: gateway 100.69.229.232
Aug 23 14:06:51 crusty NetworkManager[25585]: <info> [1566562011.2522] modem-broadband[cdc-wdm0]: DNS 139.7.30.126
Aug 23 14:06:51 crusty NetworkManager[25585]: <info> [1566562011.2522] modem-broadband[cdc-wdm0]: DNS 139.7.30.125
Aug 23 14:06:51 crusty NetworkManager[25585]: <info> [1566562011.2527] modem-broadband[cdc-wdm0]: IPv6 base configuration:
Aug 23 14:06:51 crusty NetworkManager[25585]: <info> [1566562011.2527] modem-broadband[cdc-wdm0]: address 2a00:... /64
Aug 23 14:06:51 crusty kernel: NetworkManager[25585]: segfault at 0 ip 00007f308a658153 sp 00007ffefcea94a0 error 4 in libnm-wwan.so[7f308a650000+13000]
Aug 23 14:06:51 crusty kernel: Code: 76 00 00 ba dc 03 00 00 e8 6a dd ff ff 66 2e 0f 1f 84 00 00 00 00 00 41 83 fd 02 0f 84 b4 02 00 00 48 8b 7b 58 e8 0d d8 ff ff <48> 8b 30 49 89 c7 48 85 f6 0f 84 0e 01 00 00 49 89 c4 48 8d 84 24
Aug 23 14:06:51 crusty NetworkManager[25585]: <info> [1566562011.2527] modem-broadband[cdc-wdm0]: gateway 2a00:20:201e:be85:616f:6d0e:b2cb:1cbb
Aug 23 14:06:51 crusty abrt-hook-ccpp: Process 25585 (NetworkManager) of user 0 killed by SIGSEGV - ignoring (repeated crash)
Aug 23 14:06:51 crusty nm-dispatcher: root: NM IF= STATUS=connectivity-change has_cisco_device=1
Aug 23 14:06:51 crusty root: NM IF= STATUS=connectivity-change has_cisco_device=1
Aug 23 14:06:51 crusty systemd: NetworkManager.service: main process exited, code=dumped, status=11/SEGV


Kernel: 5.2.9-1.el7.elrepo.x86_64

Modem Info:
  Hardware | manufacturer: 'Dell'
           | model: 'MBIM [413C:81B6]'
           | revision: 'SWI9X30C_02.24.05.06'
           | supported: 'gsm-umts, lte'
           | current: 'gsm-umts, lte'
           | equipment id: '354479086853718'
  -------------------------
  System | device: '/sys/devices/pci0000:00/0000:00:14.0/usb2/2-2'
           | drivers: 'cdc_mbim'
           | plugin: 'Dell'
           | primary port: 'cdc-wdm0'
           | ports: 'cdc-wdm0 (mbim), wwp0s20f0u2i12 (net)'


NetworkManager v1.12.0
NetworkManager-wwan.x86_64 1:1.12.0-10.el7_6


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Issue History

Date Modified Username Field Change
2019-08-23 12:24 cparg New Issue