Jeremy Allison wrote:
On Wed, Jan 21, 2009 at 09:54:03AM +0100, Remy Zandwijk wrote:
OK, we have a backtrace (using dbx from Sun Studio):
/opt/SUNWspro/bin/dbx -I /var/tmp/source -S /opt/samba/sbin/smbd 24586
Reading smbd
Reading ld.so.1
Reading libthread.so.1
Reading libldap.so.5
Reading libcups.so.2
Reading libz.so.1
Reading libpthread.so.1
Reading libresolv.so.2
Reading libnsl.so.1
Reading libsocket.so.1
Reading libm.so.1
Reading libsec.so.1
Reading libsendfile.so.1
Reading libdl.so.1
Reading libtalloc.so.1
Reading libtdb.so.1
Reading libwbclient.so.0
Reading libc.so.1
Reading librt.so.1
Reading libmd5.so.1
Reading libmp.so.2
Reading libaio.so.1
Reading libc_psr.so.1
Reading UTF-16LE%CP850.so
Reading CP850%UTF-16LE.so
Reading nss_files.so.1
Reading nss_ldap.so.1
Reading libsldap.so.1
Reading libdoor.so.1
Attached to process 24586
t...@1 (l...@1) stopped in _waitid at 0xffffffff7d1a8788
0xffffffff7d1a8788: _waitid+0x0008: ta %icc,0x0000000000000040
Current function is smb_panic (optimized)
dbx: warning: File `util.c' has been modified more recently than `smbd'
1669 result = system(cmd);
(dbx) where
current thread: t...@1
[1] _waitid(0x0, 0x600b, 0xffffffff7fffee40, 0x103, 0x0, 0x0), at
0xffffffff7d1a8788
[2] _libc_waitpid(0x600b, 0xffffffff7ffff000, 0x100,
0xfffffffffffffff8, 0x0, 0xffffffff7ffff071), at 0xffffffff7d1603a0
[3] system(0x100862200, 0x100862200, 0x10060f770, 0x1, 0x684,
0x1007b43d0), at 0xffffffff7d19e744
=>[4] smb_panic(why = ???) (optimized), at 0x100318de4 (line ~1669) in "util.c"
[5] cups_pcap_load_async(pfd = ???) (optimized), at 0x1002d26e4 (line
~393) in "print_cups.c"
[6] cups_cache_reload() (optimized), at 0x1002d2e24 (line ~522) in
"print_cups.c"
[7] pcap_cache_reload() (optimized), at 0x1002d0e4c (line ~149) in "pcap.c"
[8] reload_printers() (optimized), at 0x10058dbb8 (line ~799) in "server.c"
[9] check_reload(t = ???) (optimized), at 0x100100b98 (line ~1887) in
"process.c"
[10] timeout_processing(select_timeout = ???,
last_timeout_processing_time = ???) (optimized), at 0x100100c00 (line
~1908) in "process.c"
[11] smbd_process() (optimized), at 0x1001010b0 (line ~2078) in "process.c"
[12] main(argc = ???, argv = ???) (optimized), at 0x10058f180 (line
~1450) in "server.c"
(dbx)
From the logfile:
[2009/01/21 08:57:01, 0] lib/util_tdb.c:(682)
tdb(/var/opt/samba/locks/printing/st-compacta.tdb): tdb_reopen: file
dev/inode has changed!
Ok, you're hitting a strange panic I've only ever heard
of on CentOS before.
It's caused by too strict checking in the reinit_after_fork
code. Here is the patch that has gone in for 3.2.8.
Thanks. I will try that patch after I return from a short trip.
Remy.
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