Re: ERROR: invalid memory alloc request size 0

Hello Tom,

Thanks for your help.  I ran a backtrace as you suggested.  Following is the
output of the gdb session.

John
---------------------------
[root@interage bin]# gdb /usr/bin/postgres 31699
GNU gdb Red Hat Linux (5.3.90-0.20030710.41rh)
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This GDB was configured as "i386-redhat-linux-gnu"...
(no debugging symbols found)...Using host libthread_db library
"/lib/tls/libthread_db.so.1".

Attaching to program: /usr/bin/postgres, process 31699
Reading symbols from /lib/libpam.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib/libpam.so.0
Reading symbols from /lib/libssl.so.4...(no debugging symbols found)...done.
Loaded symbols for /lib/libssl.so.4
Reading symbols from /lib/libcrypto.so.4...(no debugging symbols
found)...done.
Loaded symbols for /lib/libcrypto.so.4
Reading symbols from /usr/lib/libkrb5.so.3...(no debugging symbols found)...
done.
Loaded symbols for /usr/lib/libkrb5.so.3
Reading symbols from /lib/libcom_err.so.2...(no debugging symbols found)...
done.
Loaded symbols for /lib/libcom_err.so.2
Reading symbols from /usr/lib/libz.so.1...(no debugging symbols
found)...done.
Loaded symbols for /usr/lib/libz.so.1
Reading symbols from /usr/lib/libreadline.so.4...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libreadline.so.4
Reading symbols from /lib/libtermcap.so.2...(no debugging symbols found)...
done.
Loaded symbols for /lib/libtermcap.so.2
Reading symbols from /lib/libcrypt.so.1...(no debugging symbols
found)...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libresolv.so.2...(no debugging symbols
found)...done.
Loaded symbols for /lib/libresolv.so.2
Reading symbols from /lib/libnsl.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/libnsl.so.1
---Type <return> to continue, or q <return> to quit---
Reading symbols from /lib/libdl.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/tls/libm.so.6...(no debugging symbols
found)...done.
Loaded symbols for /lib/tls/libm.so.6
Reading symbols from /lib/tls/libc.so.6...(no debugging symbols
found)...done.
Loaded symbols for /lib/tls/libc.so.6
Reading symbols from /usr/lib/libgssapi_krb5.so.2...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgssapi_krb5.so.2
Reading symbols from /usr/lib/libk5crypto.so.3...
(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libk5crypto.so.3
Reading symbols from /lib/ld-linux.so.2...(no debugging symbols
found)...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /lib/libnss_files.so.2...(no debugging symbols
found)...
done.
Loaded symbols for /lib/libnss_files.so.2
0x00847c32 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
(gdb) b errfinish
Breakpoint 1 at 0x81e6056
(gdb) cont
Continuing.

Breakpoint 1, 0x081e6056 in errfinish ()
(gdb) bt
#0  0x081e6056 in errfinish ()
#1  0x081e6e66 in elog_finish ()
#2  0x081f5112 in MemoryContextAlloc ()
#3  0x080758d0 in gistinsert ()
#4  0x08073bac in gistinsert ()
#5  0x0807396c in gistinsert ()
#6  0x0807396c in gistinsert ()
#7  0x08073865 in gistinsert ()
#8  0x08073732 in gistinsert ()
#9  0x081ead7b in OidFunctionCall6 ()
#10 0x080831c5 in index_insert ()
#11 0x0810f1ea in ExecInsertIndexTuples ()
#12 0x081092e4 in ExecEndPlan ()
#13 0x08108aca in ExecEndPlan ()
#14 0x08107c38 in ExecutorRun ()
#15 0x0817e00d in ProcessQuery ()
#16 0x0817eaf7 in PortalRun ()
#17 0x0817e47f in PortalRun ()
#18 0x0817ad54 in pg_plan_queries ()
#19 0x0817d2c0 in PostgresMain ()
#20 0x08157345 in ClosePostmasterPorts ()
#21 0x08156d43 in ClosePostmasterPorts ()
#22 0x08155218 in PostmasterMain ()
---Type <return> to continue, or q <return> to quit---
#23 0x081548a4 in PostmasterMain ()
#24 0x08124dc6 in main ()
(gdb)
-----------------------------