[squid-users] Re: assertion failed

Hi,

can anyone explain to me the meaning/reason of this assertion :
src/fs/ufs/ufscommon.cc l 706 :
 ......
 assert(sde);
 ......

got the backtrace out :

(gdb) bt
#0 0x00002ba9da45d265 in raise () from /lib64/libc.so.6
#1 0x00002ba9da45ed10 in abort () from /lib64/libc.so.6
#2 0x000000000050ae66 in xassert (msg=0x72992f "sde", file=0x729918
"ufs/ufscommon.cc", line=706) at debug.cc:567
#3 0x0000000000669c18 in RebuildState::undoAdd (this=<value optimized
out>) at ufs/ufscommon.cc:706
#4 0x000000000066b7f4 in RebuildState::rebuildFromSwapLog
(this=0x16090668) at ufs/ufscommon.cc:570
#5 0x000000000066bed7 in RebuildState::rebuildStep (this=0x16090668)
at ufs/ufscommon.cc:411
#6 0x000000000066c099 in RebuildState::RebuildStep (data=0x366c) at
ufs/ufscommon.cc:384
#7 0x000000000064ac68 in AsyncCallQueue::fireNext (this=<value
optimized out>) at AsyncCallQueue.cc:54
#8 0x000000000064adc9 in AsyncCallQueue::fire (this=0x366c) at
AsyncCallQueue.cc:40
#9 0x0000000000526fa1 in EventLoop::dispatchCalls (this=<value
optimized out>) at EventLoop.cc:154
#10 0x00000000005271a1 in EventLoop::runOnce (this=0x7ffff4ac93f0) at
EventLoop.cc:119
#11 0x0000000000527338 in EventLoop::run (this=0x7ffff4ac93f0) at
EventLoop.cc:95
#12 0x00000000005911b3 in SquidMain (argc=<value optimized out>,
argv=<value optimized out>) at main.cc:1501
#13 0x0000000000591443 in SquidMainSafe (argc=13932, argv=0x366c) at
main.cc:1216
#14 0x00002ba9da44a994 in __libc_start_main () from /lib64/libc.so.6

Thank you
Alex

2013/4/18 Alexandre Chappaz <alexandrechappaz_at_gmail.com>:
> sorry, I meant "One kid fails to start giving the following assertion"
>
> 2013/4/18 Alexandre Chappaz <alexandrechappaz_at_gmail.com>:
>> Hi,
>>
>> In our SMP enabled environnement, I have one kid to start giving the
>> fooloowing assertion :
>> 2013/04/18 04:03:43 kid1| assertion failed: ufs/ufscommon.cc:706: "sde"
>>
>> I guess it is something related with the store / store rebuiding.
>> Maybe a malformed object in the cache store?
>> here the part of the log :
>>
>> 2013/04/18 04:03:42 kid1| Store rebuilding is 5.57% complete
>> 2013/04/18 04:03:42 kid1| Done reading /var/cache/squid/W1 swaplog
>> (18735 entries)
>> 2013/04/18 04:03:43 kid1| Accepting SNMP messages on 0.0.0.0:3401
>> 2013/04/18 04:03:43 kid1| Accepting HTTP Socket connections at
>> local=0.0.0.0:3128 remote=[::] FD 12 flags=1
>> 2013/04/18 04:03:43 kid1| assertion failed: ufs/ufscommon.cc:706: "sde"
>>
>>
>> core file is generated, but it seems to be not valid : gdb says :
>>
>> gdb /usr/local/squid/sbin/squid 004/core.758
>> GNU gdb (GDB) Red Hat Enterprise Linux (7.0.1-32.el5_6.2)
>> 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.
>> There is NO WARRANTY, to the extent permitted by law. Type "show copying"
>> and "show warranty" for details.
>> This GDB was configured as "x86_64-redhat-linux-gnu".
>> For bug reporting instructions, please see:
>> <http://www.gnu.org/software/gdb/bugs/>...
>> Reading symbols from /usr/local/squid/sbin/squid...done.
>> Attaching to program: /usr/local/squid/sbin/squid, process 4
>> ptrace: Opération non permise.
>> BFD: Warning: /root/004/core.758 is truncated: expected core file size
>>>= 58822656, found: 20480.
>> Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging
>> symbols found)...done.
>> Loaded symbols for /lib64/ld-linux-x86-64.so.2
>> Failed to read a valid object file image from memory.
>> Core was generated by `(squid-1) -S -f /etc/squid/squid.conf'.
>> Program terminated with signal 6, Aborted.
>> #0 0x00002b6babe7a265 in ?? ()
>> (gdb) bt
>> Cannot access memory at address 0x7fff38b1cf98
>> (gdb) quit
>>
>>
>>
>>
>>
>>
>> Any clue on how to get a usable core file and/or on the meaning of the
>> assertion ?
>>
>>
>> Thanks
>> Alex
Received on Mon Apr 22 2013 - 09:21:19 MDT