Ok this is the backtrace I am getting.
#0 0x00205424 in __kernel_vsyscall ()
#1 0x008d8363 in __waitpid_nocancel () from /lib/libc.so.6
#2 0x00871eb3 in do_system () from /lib/libc.so.6
#3 0x00bda7ed in system () from /lib/libpthread.so.0
#4 0x00a69ab5 in smb_panic_s3 (why=0xcbdb5d "internal error") at
../source3/lib/util.c:823
#5 0x00cac76c in smb_panic (why=0xcbdb5d "internal error") at
../lib/util/fault.c:159
#6 0x00cac45f in fault_report (sig=11) at ../lib/util/fault.c:77
#7 0x00cac470 in sig_fault (sig=11) at ../lib/util/fault.c:88
#8 <signal handler called>
#9 0x00bfe56d in get_dcs_insite (ctx=0xaec93610, ldb=0x1c38830,
sitedn=0xaef02218, list=0xaecd7740, dofqdn=true) at
../dfs_server/dfs_server_ad.c:224
#10 0x00bfed10 in get_dcs (ctx=0xaec91850, ldb=0x1c38830,
searched_site=0xae98f908 "Default-First-Site-Name", need_fqdn=true,
pset_list=0xbf844824, flags=0) at ../dfs_server/dfs_server_ad.c:345
#11 0x00bff780 in dodc_referral (lp_ctx=0xaefaa1c0, sam_ctx=0x1c38830,
client=0xaee60cf0, r=0xaec91850, domain_name=0xaec918e1
"corp.clima-tech.com") at ../dfs_server/dfs_server_ad.c:559
#12 0x00c00409 in dfs_server_ad_get_referrals (lp_ctx=0xaefaa1c0,
sam_ctx=0x1c38830, client=0xaee60cf0, r=0xaec91850) at
../dfs_server/dfs_server_ad.c:880
#13 0x004a7e75 in dfs_samba4_get_referrals (handle=0xaeef8df0,
r=0xaec91850) at ../source3/modules/vfs_dfs_samba4.c:118
#14 0x004121f9 in smb_vfs_call_get_dfs_referrals (handle=0xaeef8df0,
r=0xaec91850) at ../source3/smbd/vfs.c:1449
#15 0x0043a5ca in setup_dfs_referral (orig_conn=0xae77a8d0,
dfs_path=0xaec917a0 "\\corp.clima-tech.com", max_referral_level=3,
ppdata=0xae9ca24c, pstatus=0xbf8449c8) at ../source3/smbd/msdfs.c:1071
#16 0x003f3942 in call_trans2getdfsreferral (conn=0xae77a8d0,
req=0xaec91700, pparams=0xae9ca244, total_params=44, ppdata=0xae9ca24c,
total_data=0, max_data_bytes=4096) at ../source3/smbd/trans2.c:8551
#17 0x003f43d1 in handle_trans2 (conn=0xae77a8d0, req=0xaec91700,
state=0xae9ca200) at ../source3/smbd/trans2.c:8818
#18 0x003f4da0 in reply_trans2 (req=0xaec91700) at
../source3/smbd/trans2.c:9003
#19 0x00426055 in switch_message (type=50 '2', req=0xaec91700) at
../source3/smbd/process.c:1556
#20 0x004261e5 in construct_reply (sconn=0xaf34e018, inbuf=0x0,
size=116, unread_bytes=0, seqnum=0, encrypted=false, deferred_pcd=0x0)
at ../source3/smbd/process.c:1592
#21 0x00426c89 in process_smb (sconn=0xaf34e018, inbuf=0xaec91650 "",
nread=116, unread_bytes=0, seqnum=0, encrypted=false, deferred_pcd=0x0)
at ../source3/smbd/process.c:1843
#22 0x00427b99 in smbd_server_connection_read_handler (sconn=0xaf34e018,
fd=45) at ../source3/smbd/process.c:2432
#23 0x00427c0f in smbd_server_connection_handler (ev=0x1c3a8d0,
fde=0xaf3b23b0, flags=1, private_data=0xaf34e018) at
../source3/smbd/process.c:2449
#24 0x00a84ef0 in run_events_poll (ev=0x1c3a8d0, pollrtn=1,
pfds=0xaeba7da0, num_pfds=3) at ../source3/lib/events.c:257
#25 0x00a851bb in s3_event_loop_once (ev=0x1c3a8d0, location=0x5980a0
"../source3/smbd/process.c:3625") at ../source3/lib/events.c:326
#26 0x0021a0c3 in _tevent_loop_once (ev=0x1c3a8d0, location=0x5980a0
"../source3/smbd/process.c:3625") at ../lib/tevent/tevent.c:530
#27 0x0042af84 in smbd_process (ev_ctx=0x1c3a8d0, msg_ctx=0x1c3a950,
sock_fd=45, interactive=false) at ../source3/smbd/process.c:3625
#28 0x009f4515 in smbd_accept_connection (ev=0x1c3a8d0, fde=0xb70564c8,
flags=1, private_data=0xaf1be5c0) at ../source3/smbd/server.c:621
#29 0x00a84ef0 in run_events_poll (ev=0x1c3a8d0, pollrtn=1,
pfds=0xaeba7da0, num_pfds=6) at ../source3/lib/events.c:257
#30 0x00a851bb in s3_event_loop_once (ev=0x1c3a8d0, location=0x9f8c06
"../source3/smbd/server.c:946") at ../source3/lib/events.c:326
#31 0x0021a0c3 in _tevent_loop_once (ev=0x1c3a8d0, location=0x9f8c06
"../source3/smbd/server.c:946") at ../lib/tevent/tevent.c:530
#32 0x009f50dc in smbd_parent_loop (ev_ctx=0x1c3a8d0, parent=0x1c3d7f8)
at ../source3/smbd/server.c:946
#33 0x009f6964 in main (argc=3, argv=0xbf8453d4) at
../source3/smbd/server.c:1568
Wayne Andersen
System Administrator
Clima-Tech Corporation
On 10/02/2013 05:58 PM, Jeremy Allison wrote:
On Wed, Oct 02, 2013 at 06:20:34AM -0600, Wayne Andersen wrote:
I have Samba 4.0.9 installed on three Centos servers.
On my primary DC I am getting faults and core dumps.
Oct 2 06:10:37 dc1 smbd[1195]: [2013/10/02 06:10:37.083800, 0]
../lib/util/fault.c:72(fault_report)
Oct 2 06:10:37 dc1 smbd[1195]:
===============================================================
Oct 2 06:10:37 dc1 smbd[1195]: [2013/10/02 06:10:37.084493, 0]
../lib/util/fault.c:73(fault_report)
Oct 2 06:10:37 dc1 smbd[1195]: INTERNAL ERROR: Signal 11 in pid
1195 (4.0.9)
Oct 2 06:10:37 dc1 smbd[1195]: Please read the Trouble-Shooting
section of the Samba HOWTO
Oct 2 06:10:37 dc1 smbd[1195]: [2013/10/02 06:10:37.084928, 0]
../lib/util/fault.c:75(fault_report)
Oct 2 06:10:37 dc1 smbd[1195]:
===============================================================
Oct 2 06:10:37 dc1 smbd[1195]: [2013/10/02 06:10:37.085268, 0]
../source3/lib/util.c:810(smb_panic_s3)
Oct 2 06:10:37 dc1 smbd[1195]: PANIC (pid 1195): internal error
Oct 2 06:10:37 dc1 smbd[1195]: [2013/10/02 06:10:37.087348, 0]
../source3/lib/util.c:921(log_stack_trace)
Oct 2 06:10:37 dc1 smbd[1195]: BACKTRACE: 32 stack frames:
Oct 2 06:10:37 dc1 smbd[1195]: #0
/usr/local/samba/lib/libsmbconf.so.0(log_stack_trace+0x2b)
[0xdd2bc5]
Oct 2 06:10:37 dc1 smbd[1195]: #1
/usr/local/samba/lib/libsmbconf.so.0(smb_panic_s3+0x7f) [0xdd2a23]
Oct 2 06:10:37 dc1 smbd[1195]: #2
/usr/local/samba/lib/libsamba-util.so.0(smb_panic+0x2a) [0xb2c76c]
Oct 2 06:10:37 dc1 smbd[1195]: #3
/usr/local/samba/lib/libsamba-util.so.0(+0x1745f) [0xb2c45f]
Oct 2 06:10:37 dc1 smbd[1195]: #4
/usr/local/samba/lib/libsamba-util.so.0(+0x17470) [0xb2c470]
Oct 2 06:10:37 dc1 smbd[1195]: #5 [0x521400]
Oct 2 06:10:37 dc1 smbd[1195]: #6
/usr/local/samba/lib/private/libdfs_server_ad.so(+0x1d10) [0x3efd10]
Oct 2 06:10:37 dc1 smbd[1195]: #7
/usr/local/samba/lib/private/libdfs_server_ad.so(+0x2780) [0x3f0780]
Oct 2 06:10:37 dc1 smbd[1195]: #8
/usr/local/samba/lib/private/libdfs_server_ad.so(dfs_server_ad_get_referrals+0x38d)
[0x3f1409]
Oct 2 06:10:37 dc1 smbd[1195]: #9
/usr/local/samba/lib/private/libsmbd_base.so(+0x1a1e75) [0x8cfe75]
Oct 2 06:10:37 dc1 smbd[1195]: #10
/usr/local/samba/lib/private/libsmbd_base.so(smb_vfs_call_get_dfs_referrals+0x3d)
[0x83a1f9]
Oct 2 06:10:37 dc1 smbd[1195]: #11
/usr/local/samba/lib/private/libsmbd_base.so(setup_dfs_referral+0xea)
[0x8625ca]
Oct 2 06:10:37 dc1 smbd[1195]: #12
/usr/local/samba/lib/private/libsmbd_base.so(+0xed942) [0x81b942]
Oct 2 06:10:37 dc1 smbd[1195]: #13
/usr/local/samba/lib/private/libsmbd_base.so(+0xee3d1) [0x81c3d1]
Oct 2 06:10:37 dc1 smbd[1195]: #14
/usr/local/samba/lib/private/libsmbd_base.so(reply_trans2+0x8eb)
[0x81cda0]
Oct 2 06:10:37 dc1 smbd[1195]: #15
/usr/local/samba/lib/private/libsmbd_base.so(+0x120055) [0x84e055]
Oct 2 06:10:37 dc1 smbd[1195]: #16
/usr/local/samba/lib/private/libsmbd_base.so(+0x1201e5) [0x84e1e5]
Oct 2 06:10:37 dc1 smbd[1195]: #17
/usr/local/samba/lib/private/libsmbd_base.so(+0x120c89) [0x84ec89]
Oct 2 06:10:37 dc1 smbd[1195]: #18
/usr/local/samba/lib/private/libsmbd_base.so(+0x121b99) [0x84fb99]
Oct 2 06:10:37 dc1 smbd[1195]: #19
/usr/local/samba/lib/private/libsmbd_base.so(+0x121c0f) [0x84fc0f]
Oct 2 06:10:37 dc1 smbd[1195]: #20
/usr/local/samba/lib/libsmbconf.so.0(run_events_poll+0x481)
[0xdedef0]
Oct 2 06:10:37 dc1 smbd[1195]: #21
/usr/local/samba/lib/libsmbconf.so.0(+0x371bb) [0xdee1bb]
Oct 2 06:10:37 dc1 smbd[1195]: #22
/usr/local/samba/lib/private/libtevent.so.0(_tevent_loop_once+0xf3)
[0x3530c3]
Oct 2 06:10:37 dc1 smbd[1195]: #23
/usr/local/samba/lib/private/libsmbd_base.so(smbd_process+0x120c)
[0x852f84]
Oct 2 06:10:37 dc1 smbd[1195]: #24
/usr/local/samba/sbin/smbd(+0x8515) [0x496515]
Oct 2 06:10:37 dc1 smbd[1195]: #25
/usr/local/samba/lib/libsmbconf.so.0(run_events_poll+0x481)
[0xdedef0]
Oct 2 06:10:37 dc1 smbd[1195]: #26
/usr/local/samba/lib/libsmbconf.so.0(+0x371bb) [0xdee1bb]
Oct 2 06:10:37 dc1 smbd[1195]: #27
/usr/local/samba/lib/private/libtevent.so.0(_tevent_loop_once+0xf3)
[0x3530c3]
Oct 2 06:10:37 dc1 smbd[1195]: #28
/usr/local/samba/sbin/smbd(+0x90dc) [0x4970dc]
Oct 2 06:10:37 dc1 smbd[1195]: #29
/usr/local/samba/sbin/smbd(main+0x1723) [0x498964]
Oct 2 06:10:37 dc1 smbd[1195]: #30
/lib/libc.so.6(__libc_start_main+0xe6) [0xb7130ce6]
Oct 2 06:10:37 dc1 smbd[1195]: #31
/usr/local/samba/sbin/smbd(+0x3eb1) [0x491eb1]
Oct 2 06:10:37 dc1 smbd[1195]: [2013/10/02 06:10:37.092166, 0]
../source3/lib/dumpcore.c:317(dump_core)
Oct 2 06:10:37 dc1 smbd[1195]: dumping core in
/usr/local/samba/var/cores/smbd
These just started today.
For the most part things seem to be working except for the fact that
I tried adding a new user yesterday which is unable to log in.
Add the line:
panic action = /bin/sleep 99999
in the [global] section of your smb.conf,
and reproduce. Attach to the crashed smbd
with gdb and get a good backtrace with
symbols.
Cheers,
Jeremy.
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