Hallo,
in a neighbourhood school Samba (versions 3.5.7 and 3.5.10) show (for
only one machine) the following log:
...
[2012/02/02 11:08:34.974139, 0] lib/fault.c:326(dump_core)
dumping core in /var/log/samba/cores/smbd
[2012/02/02 11:37:33.245678, 0] smbd/sesssetup.c:1401(shutdown_other_smbds)
shutdown_other_smbds: shutting down pid 18379 (IP 192.168.0.175)
[2012/02/02 11:37:33.245983, 0] lib/bitmap.c:120(bitmap_clear)
clearing invalid bitmap entry 38480 (of 128)
[2012/02/02 11:37:33.246152, 0] lib/popt_common.c:64(popt_s3_talloc_log_fn)
talloc: double free error - first free may be at smbd/conn.c:293
[2012/02/02 11:37:33.246188, 0] lib/popt_common.c:64(popt_s3_talloc_log_fn)
Bad talloc magic value - double free
[2012/02/02 11:37:33.246212, 0] lib/util.c:1468(smb_panic)
PANIC (pid 18379): Bad talloc magic value - double free
[2012/02/02 11:37:33.248340, 0] lib/util.c:1572(log_stack_trace)
BACKTRACE: 24 stack frames:
#0 /usr/sbin/smbd(log_stack_trace+0x2d) [0x403665ad]
[2012/02/02 11:37:33.249043, 0] smbd/sesssetup.c:1401(shutdown_other_smbds)
#1 /usr/sbin/smbd(smb_panic+0x2d) [0x403666cd]
shutdown_other_smbds: shutting down pid 18379 (IP 192.168.0.175)
#2 /usr/sbin/smbd(+0x6af90a) [0x406af90a]
#3 /usr/sbin/smbd(_talloc_free+0xbe) [0x406af83e]
#4 /usr/sbin/smbd(+0xb60c7) [0x400b60c7]
#5 /usr/sbin/smbd(+0x138018) [0x40138018]
#6 /usr/sbin/smbd(+0x6af5d2) [0x406af5d2]
#7 /usr/sbin/smbd(+0x13737c) [0x4013737c]
#8 /usr/sbin/smbd(+0x6af551) [0x406af551]
#9 /usr/sbin/smbd(+0x6ad198) [0x406ad198]
#10 /usr/sbin/smbd(+0x6ad7c0) [0x406ad7c0]
#11 /usr/sbin/smbd(+0x6adbfb) [0x406adbfb]
#12 /usr/sbin/smbd(messaging_dispatch_rec+0x53) [0x40344e23]
#13 /usr/sbin/smbd(+0x346e3d) [0x40346e3d]
#14 /usr/sbin/smbd(tevent_common_check_signal+0x190) [0x4037a740]
#15 /usr/sbin/smbd(run_events+0x26) [0x40377cc6]
#16 /usr/sbin/smbd(smbd_process+0x9c1) [0x40125391]
#17 /usr/sbin/smbd(+0x6ad9fc) [0x406ad9fc]
#18 /usr/sbin/smbd(run_events+0x1f5) [0x40377e95]
#19 /usr/sbin/smbd(+0x37809b) [0x4037809b]
#20 /usr/sbin/smbd(_tevent_loop_once+0x98) [0x40378dd8]
#21 /usr/sbin/smbd(main+0xd7a) [0x406ae9ba]
#22 /lib/libc.so.6(__libc_start_main+0xe6) [0x40a25db6]
#23 /usr/sbin/smbd(+0x995c1) [0x400995c1]
[2012/02/02 11:37:33.661736, 0] lib/fault.c:326(dump_core)
dumping core in /var/log/samba/cores/smbd
---------------------------------------------------------
Who or what can produce these messages?
(I don't yet know what that machine wants to do ...)
Viele Gruesse!
Helmut