NetworkManager crashed with SIGSEGV in nm_dhcp_client_start_ip6()

[Caspar Adriani]

My wireless connection keeps dropping. Normally it reconnects without a warning but hopefully this is related

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: network-manager 0.9.1.90-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
ApportVersion: 1.23-0ubuntu2
Architecture: amd64
CRDA: Error: [Errno 2] No such file or directory
Date: Sun Oct 2 20:45:33 2011
ExecutablePath: /usr/sbin/NetworkManager
IfupdownConfig:
 auto lo
 iface lo inet loopback
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110921.2)
IpRoute:
 default via 192.168.1.1 dev wlan0 proto static
 169.254.0.0/16 dev wlan0 scope link metric 1000
 192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.100 metric 2
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=false
 WimaxEnabled=true
ProcCmdline: NetworkManager
ProcEnviron: PATH=(custom, no user)
SegvAnalysis:
 Segfault happened at: 0x7f985f806996: movdqu (%rdi),%xmm1
 PC (0x7f985f806996) ok
 source "(%rdi)" (0x5800ec30) not located in a known VMA region (needed readable region)!
 destination "%xmm1" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: network-manager
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 ?? ()
 nm_dhcp_client_start_ip6 ()
 ?? ()
 nm_dhcp_manager_start_ip6 ()
Title: NetworkManager crashed with SIGSEGV in nm_dhcp_client_start_ip6()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 __strcmp_sse42 () at ../sysdeps/x86_64/multiarch/strcmp.S:259
 dhclient_start (client=<optimized out>, mode_opt=0x4ad41a "-S", release=0) at nm-dhcp-dhclient.c:647
 nm_dhcp_client_start_ip6 (self=0x7f1480, s_ip6=0x823830, dhcp_anycast_addr=0x0, hostname=0x0, info_only=1) at nm-dhcp-client.c:493
 client_start (self=0x821de0, iface=<optimized out>, uuid=<optimized out>, ipv6=1, s_ip4=0x0, s_ip6=0x823830, timeout=0, dhcp_anycast_addr=0x0, hostname=0x0, info_only=1) at nm-dhcp-manager.c:446
 nm_dhcp_manager_start_ip6 (self=<optimized out>, iface=<optimized out>, uuid=<optimized out>, s_ip6=<optimized out>, timeout=<optimized out>, dhcp_anycast_addr=<optimized out>, info_only=1) at nm-dhcp-manager.c:519

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.