[Bug 523812] Re: Quagga reports crash on Karmic
Chris Binnie
chrisbinnie at gmail.com
Tue Feb 23 20:34:48 GMT 2010
Hi Chuck,
Please find the gdb output below.
Please let me know if it's not sufficient for analysis, I haven't used gdb
for a long time.
Thanks for your help,
Chris
--
GNU gdb (GDB) 7.0-ubuntu
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html
>
This is free software: you are free to change and redistribute it.
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This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/lib/quagga/zebra...(no debugging symbols
found)...done.
(gdb) handle SIG33 pass nostop noprint
Signal Stop Print Pass to program Description
SIG33 No No Yes Real-time event 33
(gdb) set pagination 0
(gdb) run
Starting program: /usr/lib/quagga/zebra
[Thread debugging using libthread_db enabled]
2010/02/23 20:27:39 notifications: ZEBRA: Zebra 0.99.13 starting: vty at 2601
2010/02/23 20:27:39 debugging: ZEBRA: process_subq: called for route_node
(0x7ffff827d1c0, 1) with no ribs
2010/02/23 20:27:39 debugging: ZEBRA: Backtrace for 7 stack frames:
2010/02/23 20:27:39 debugging: ZEBRA: [bt 0]
/usr/lib/libzebra.so.0(zlog_backtrace+0x35) [0x7ffff7975da5]
2010/02/23 20:27:39 debugging: ZEBRA: [bt 1] /usr/lib/quagga/zebra
[0x7ffff7fdfc85]
2010/02/23 20:27:39 debugging: ZEBRA: [bt 2]
/usr/lib/libzebra.so.0(work_queue_run+0xd9) [0x7ffff797f949]
2010/02/23 20:27:39 debugging: ZEBRA: [bt 3]
/usr/lib/libzebra.so.0(thread_call+0x39) [0x7ffff7967119]
2010/02/23 20:27:39 debugging: ZEBRA: [bt 4]
/usr/lib/quagga/zebra(main+0x3a8) [0x7ffff7fdb698]
2010/02/23 20:27:39 debugging: ZEBRA: [bt 5]
/lib/libc.so.6(__libc_start_main+0xfd) [0x7ffff6fb0abd]
2010/02/23 20:27:39 debugging: ZEBRA: [bt 6] /usr/lib/quagga/zebra
[0x7ffff7fd8e99]
2010/02/23 20:27:39 debugging: ZEBRA: process_subq: called for route_node
(0x7ffff8286310, 1) with no ribs
2010/02/23 20:27:39 debugging: ZEBRA: Backtrace for 7 stack frames:
2010/02/23 20:27:39 debugging: ZEBRA: [bt 0]
/usr/lib/libzebra.so.0(zlog_backtrace+0x35) [0x7ffff7975da5]
2010/02/23 20:27:39 debugging: ZEBRA: [bt 1] /usr/lib/quagga/zebra
[0x7ffff7fdfc85]
2010/02/23 20:27:39 debugging: ZEBRA: [bt 2]
/usr/lib/libzebra.so.0(work_queue_run+0xd9) [0x7ffff797f949]
2010/02/23 20:27:39 debugging: ZEBRA: [bt 3]
/usr/lib/libzebra.so.0(thread_call+0x39) [0x7ffff7967119]
2010/02/23 20:27:39 debugging: ZEBRA: [bt 4]
/usr/lib/quagga/zebra(main+0x3a8) [0x7ffff7fdb698]
2010/02/23 20:27:39 debugging: ZEBRA: [bt 5]
/lib/libc.so.6(__libc_start_main+0xfd) [0x7ffff6fb0abd]
2010/02/23 20:27:39 debugging: ZEBRA: [bt 6] /usr/lib/quagga/zebra
[0x7ffff7fd8e99]
Program received signal SIGINT, Interrupt.
0x00007ffff706a3c3 in select () from /lib/libc.so.6
(gdb) backtrace full
#0 0x00007ffff706a3c3 in select () from /lib/libc.so.6
No symbol table info available.
#1 0x00007ffff796856f in thread_fetch () from /usr/lib/libzebra.so.0
No symbol table info available.
#2 0x00007ffff7fdb6a7 in main () from /usr/lib/quagga/zebra
No symbol table info available.
(gdb) info registers
rax 0xfffffffffffffdfe -514
rbx 0x7ffff8206030 140737356259376
rcx 0xffffffffffffffff -1
rdx 0x7fffffffe850 140737488349264
rsi 0x7fffffffe8d0 140737488349392
rdi 0x400 1024
rbp 0x7fffffffe9d0 0x7fffffffe9d0
rsp 0x7fffffffe788 0x7fffffffe788
r8 0x0 0
r9 0x0 0
r10 0x7fffffffe7d0 140737488349136
r11 0x246 582
r12 0x7fffffffe850 140737488349264
r13 0x7fffffffe8d0 140737488349392
r14 0x7fffffffe7d0 140737488349136
r15 0x7fffffffe960 140737488349536
rip 0x7ffff706a3c3 0x7ffff706a3c3 <select+19>
eflags 0x246 [ PF ZF IF ]
cs 0x33 51
ss 0x2b 43
ds 0x0 0
es 0x0 0
fs 0x0 0
gs 0x0 0
fctrl 0x37f 895
fstat 0x0 0
ftag 0xffff 65535
fiseg 0x0 0
fioff 0x0 0
foseg 0x0 0
fooff 0x0 0
fop 0x0 0
mxcsr 0x1f80 [ IM DM ZM OM UM PM ]
(gdb) x/16i $pc
0x7ffff706a3c3 <select+19>: cmp $0xfffffffffffff001,%rax
0x7ffff706a3c9 <select+25>: jae 0x7ffff706a432 <select+130>
0x7ffff706a3cb <select+27>: retq
0x7ffff706a3cc <select+28>: sub $0x38,%rsp
0x7ffff706a3d0 <select+32>: mov %rdi,0x8(%rsp)
0x7ffff706a3d5 <select+37>: mov %rsi,0x10(%rsp)
0x7ffff706a3da <select+42>: mov %rdx,0x18(%rsp)
0x7ffff706a3df <select+47>: mov %rcx,0x20(%rsp)
0x7ffff706a3e4 <select+52>: mov %r8,0x28(%rsp)
0x7ffff706a3e9 <select+57>: callq 0x7ffff7080840
0x7ffff706a3ee <select+62>: mov 0x8(%rsp),%rdi
0x7ffff706a3f3 <select+67>: mov 0x10(%rsp),%rsi
0x7ffff706a3f8 <select+72>: mov 0x18(%rsp),%rdx
0x7ffff706a3fd <select+77>: mov 0x20(%rsp),%r10
0x7ffff706a402 <select+82>: mov 0x28(%rsp),%r8
0x7ffff706a407 <select+87>: mov %rax,(%rsp)
(gdb) thread apply all backtrace
Thread 1 (Thread 0x7ffff7fbb6f0 (LWP 8553)):
#0 0x00007ffff706a3c3 in select () from /lib/libc.so.6
#1 0x00007ffff796856f in thread_fetch () from /usr/lib/libzebra.so.0
#2 0x00007ffff7fdb6a7 in main () from /usr/lib/quagga/zebra
(gdb) quit
--
Quagga reports crash on Karmic
https://bugs.launchpad.net/bugs/523812
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