http://defect.opensolaris.org/bz/show_bug.cgi?id=8370
Summary: nwamd SEGV and restarting frequently
Classification: Development
Product: nwam
Version: unspecified
Platform: ANY/Generic
OS/Version: All
Status: NEW
Status Whiteboard: nwam1-build:2009-04-20
Severity: blocker
Priority: P1
Component: ON daemon
AssignedTo: nwam-dev at opensolaris.org
ReportedBy: dkenny at opensolaris.org
QAContact: nwam-dev at opensolaris.org
I've noticed that nwamd is restarting very frequently.
Unfortunately, it's not generating a core file (guess this is because netadm
doesn't have permissions in /).
I ran a script I've modified from the DTraceToolkit which uses dtrace to
capture information about processes that crash, and it generated the
information at the end of the description.
It would appear to be in the wlan scan code - which I wouldn't have expected
since I have a cable plugged in and the wired driver is prio 0 and the wireless
prio 1 - but that doesn't mean there isn't still an issue...
-----------------------------------------------------
CRASH DETECTED at 2009 Apr 23 10:49:12
-----------------------------------------------------
Type: SIGSEGV
Program: nwamd
Args: /lib/inet/nwamd0
PID: 126596
TID: 14
LWPs: 12
PPID: 1
UID: 16
GID: 65
TaskID: 1667
ProjID: 3
PoolID: 0
ZoneID: 0
zone: global
CWD: /
errno: 0
User Stack Backtrace,
libc.so.1`strlen+0x30
libc.so.1`vsnprintf+0x65
nwamd`log_format+0x4c
nwamd`nlog+0x19
nwamd`wlan_scan_thread+0x198
libc.so.1`_thrp_setup+0x7e
libc.so.1`_lwp_start
Kernel Stack Backtrace,
genunix`sigaddqa+0x75
genunix`trapsig+0x12b
unix`trap+0x150b
unix`0xfffffffffb8002c0
Ansestors,
126596 /lib/inet/nwamd0
1 /sbin/init0
0 sched0
Times,
User: 1 ticks
Sys: 3 ticks
Elapsed: 5835 ms
Sizes,
Heap: 536560 bytes
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