Red Hat Bugzilla – Bug 559152
[abrt] crash in wireshark-gnome-1.2.5-3.fc12
Last modified: 2010-12-03 18:45:26 EST
abrt 1.0.3 detected a crash.
How to reproduce
1. Asked wireshark to capture from eth0
2. Set a "host <IP Address>" rule to limit capture to matching packets
3. Started capturing
As soon as capture was started, wireshark crashed. The crash appeared to cause a kernel panic, the X server abruptly stoped, the screen reverted immediately to a text console login screen, but input was no possible. The keyboard LEDs were flashing, I presume that's an indication of a kernel panic in a situation where the kernel can't dump panic information to the screen, so as a last resort uses the LEDs to indicate failure.
I had thought that KMS would allow the kernel to switch the display to text mode and hence output a useful error message, perhaps that's the plan, but it's not implemented yet.
Looking at /var/log/messages, I see messages indicating a wireshark problem, see below. It's interesting that dhclient was still functioning at 17.40.49, yet wireshark segfaulted at 17.40.24. Perhaps this wasn't a kernel panic. However upon starting capture, the crash and the LED flashing seemed instantaneous.
Jan 26 17:40:22 localhost kernel: device eth0 entered promiscuous mode
Jan 26 17:40:24 localhost kernel: wireshark: segfault at 20 ip 000000000046067d sp 00007fffbbdebb10 error 4 in
Jan 26 17:40:24 localhost abrtd: Directory 'ccpp-1264527624-734' creation detected
Jan 26 17:40:24 localhost abrtd: Lock file '/var/cache/abrt/ccpp-1264527624-734.lock' is locked by process 737
Jan 26 17:40:25 localhost kernel: device eth0 left promiscuous mode
Jan 26 17:40:25 localhost abrtd: Lock file '/var/cache/abrt/ccpp-1264527624-734.lock' is locked by process 737
Jan 26 17:40:25 localhost abrt: saved core dump of pid 734 (/usr/sbin/wireshark) to /var/cache/abrt/ccpp-1264527624-
734/coredump (60633088 bytes)
Jan 26 17:40:26 localhost abrtd: Getting local universal unique identification...
Jan 26 17:40:27 localhost abrtd: New crash, saving
Jan 26 17:40:27 localhost abrtd: RunApp('/var/cache/abrt/ccpp-1264527624-734','"test x\"`cat component`\" = x\"xorg-
x11-server-Xorg\" && cp /var/log/Xorg.0.log ."')
Jan 26 17:40:28 localhost dhclient: DHCPREQUEST on wlan0 to 220.127.116.11 port 67
Jan 26 17:40:40 localhost kernel: device eth0 entered promiscuous mode
Jan 26 17:40:42 localhost dhclient: DHCPREQUEST on wlan0 to 18.104.22.168 port 67
Jan 26 17:40:44 localhost kernel: device eth0 left promiscuous mode
Jan 26 17:40:59 localhost dhclient: DHCPREQUEST on wlan0 to 22.214.171.124 port 67
Jan 26 17:43:35 localhost kernel: imklog 4.4.2, log source = /proc/kmsg started.
Jan 26 17:43:35 localhost kernel: Initializing cgroup subsys cpuset
Jan 26 17:43:35 localhost kernel: Initializing cgroup subsys cpu
Jan 26 17:43:35 localhost kernel: Linux version 126.96.36.199-174.2.3.fc12.x86_64 (email@example.com) (gcc version 4.4.2 20091222 (Red Hat 4.4.2-20) (GCC) ) #1 SMP Mon Jan 18 19:52:07 UTC 2010
Attached file: backtrace
reason: Process was terminated by signal 11 (Segmentation fault)
Created attachment 387027 [details]
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