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@xxxxxxxxx>: > sorry, I meant "One kid fails to start giving the following assertion" > > 2013/4/18 Alexandre Chappaz <alexandrechappaz@xxxxxxxxx>: >> 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
