Re: [squid-users] Segmentation fault on x86_64

Michał Margula napisał(a):
> I am sorry. I don't know why I skipped that. Now I have compiled squid
> with symbols, enabled core dumps and waiting. Funny thing is that it
> didn't fail for last 30 hours (usualy it happens much faster!). I hope I
> am not victim of Murphy Law and it will fail sometime :D.
>

OK. It got sigsegv and I have a ''core'' file. After runing gdb:

faramir tmp # gdb /usr/sbin/squid core
GNU gdb 6.4
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There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu"...Using host
libthread_db library "/lib/tls/libthread_db.so.1".

Core was generated by `(squid) -DYC'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib64/libcrypt.so.1...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /usr/lib64/libssl.so.0.9.7...done.
Loaded symbols for /usr/lib/libssl.so.0.9.7
Reading symbols from /usr/lib64/libcrypto.so.0.9.7...done.
Loaded symbols for /usr/lib/libcrypto.so.0.9.7
Reading symbols from /lib64/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib64/tls/librt.so.1...done.
Loaded symbols for /lib/tls/librt.so.1
Reading symbols from /lib64/tls/libpthread.so.0...done.
Loaded symbols for /lib/tls/libpthread.so.0
Reading symbols from /lib64/tls/libm.so.6...done.
Loaded symbols for /lib/tls/libm.so.6
Reading symbols from /lib64/libresolv.so.2...done.
Loaded symbols for /lib/libresolv.so.2
Reading symbols from /lib64/libnsl.so.1...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /lib64/tls/libc.so.6...done.
Loaded symbols for /lib/tls/libc.so.6
Reading symbols from /lib64/ld-linux-x86-64.so.2...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Reading symbols from /lib64/libnss_compat.so.2...done.
Loaded symbols for /lib/libnss_compat.so.2
Reading symbols from /lib64/libnss_nis.so.2...done.
Loaded symbols for /lib/libnss_nis.so.2
Reading symbols from /lib64/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
#0 0x00002aaaab798b16 in malloc_usable_size () from /lib/tls/libc.so.6
(gdb) where
#0 0x00002aaaab798b16 in malloc_usable_size () from /lib/tls/libc.so.6
#1 0x00002aaaab799848 in free () from /lib/tls/libc.so.6
#2 0x00002aaaab79add0 in calloc () from /lib/tls/libc.so.6
#3 0x00000000004a1c3c in xcalloc ()
#4 0x00000000004594b6 in memBufGrow ()
#5 0x0000000000446d45 in httpStart ()
#6 0x00000000004369a0 in fwdConnectDone ()
#7 0x00000000004371a1 in fwdConnectStart ()
#8 0x0000000000461c3a in peerSelectFoo ()
#9 0x0000000000436587 in fwdStart ()
#10 0x0000000000429ea6 in clientCacheHit ()
#11 0x000000000047561d in storeClientReadHeader ()
#12 0x0000000000485aa7 in storeDiskdDirCallback ()
#13 0x0000000000477d6d in storeDirCallback ()
#14 0x000000000048a06b in storeDiskdSend ()
#15 0x000000000048a358 in storeDiskdWrite ()
#16 0x0000000000479d37 in storeSwapOut ()
#17 0x0000000000445c2f in httpReadReply ()
#18 0x000000000042e524 in comm_poll ()
#19 0x0000000000456fa5 in main ()

Is it helpful in any way?

-- 
Michał Margula, alchemyx@uznam.net.pl, http://alchemyx.uznam.net.pl/
"W życiu piękne są tylko chwile" [Ryszard Riedel]