[Samba] CTDB upgrade to SAMBA 4.8.3

[Rowland Penny]

On Thu, 28 Jun 2018 10:30:07 +0200
Micha Ballmann via samba <samba at lists.samba.org> wrote:

> Hello,
> 
> i upgraded my ctdb cluster (3 nodes) from samba 4.7.7 to 4.8.3.
> Followed the steps under "policy" in this wikipage 
> https://wiki.samba.org/index.php/Upgrading_a_CTDB_cluster. I shutdown 
> all CTDB nodes and upgraded them. After the upgrade i started all
> nodes and ctdb status shows:
> 
> Number of nodes:3
> pnn:0 192.168.199.52   OK (THIS NODE)
> pnn:1 192.168.199.53   OK
> pnn:2 192.168.199.49   OK
> Generation:1484961991
> Size:3
> hash:0 lmaster:0
> hash:1 lmaster:1
> hash:2 lmaster:2
> Recovery mode:NORMAL (0)
> Recovery master:0
> 
> Now i have the problem that "testparm" outputs, for me not readable 
> informations:
> 
> root at ctdb1:~/ctdb# testparm
> Load smb config files from /usr/local/samba/etc/smb.conf
> rlimit_max: increasing rlimit_max (1024) to minimum Windows limit
> (16384) smb_panic_default: PANIC (pid 2490): messaging not initialized
> 
> BACKTRACE: 28 stack frames:
>   #0 /usr/local/samba/lib/libsamba-util.so.0(log_stack_trace+0x1f) 
> [0x7fe42f8445db]
>   #1 /usr/local/samba/lib/libsamba-util.so.0(+0x2236a)
> [0x7fe42f84436a]
> #2 /usr/local/samba/lib/libsamba-util.so.0(log_stack_trace+0)
> [0x7fe42f8445bc] #3 
> /usr/local/samba/lib/private/libsamba-cluster-support-samba4.so(messaging_ctdb_connection+0x1f) 
> [0x7fe42c5a211c]
>   #4 /usr/local/samba/lib/libsmbconf.so.0(db_open+0x2a6)
> [0x7fe42fcf7752]
> #5 /usr/local/samba/lib/libsmbconf.so.0(regdb_init+0xdd)
> [0x7fe42fcd2fb2]
> #6 /usr/local/samba/lib/libsmbconf.so.0(registry_init_common+0xd)
> [0x7fe42fcd7937]
> #7 /usr/local/samba/lib/libsmbconf.so.0(registry_init_smbconf+0xd0)
> [0x7fe42fd18294] #8 /usr/local/samba/lib/libsmbconf.so.0(+0x6ac0d)
> [0x7fe42fd16c0d]
> #9 /usr/local/samba/lib/libsmbconf.so.0(smbconf_init_internal+0x81)
> [0x7fe42fd1a7e6]
> #10 /usr/local/samba/lib/libsmbconf.so.0(smbconf_init_reg+0x2f)
> [0x7fe42fd179c9]
> #11 /usr/local/samba/lib/libsmbconf.so.0(smbconf_init+0x116)
> [0x7fe42fd159e4] #12 /usr/local/samba/lib/libsmbconf.so.0(+0x36b11)
> [0x7fe42fce2b11]
> #13 /usr/local/samba/lib/libsmbconf.so.0(process_registry_service+0x29)
> [0x7fe42fce2d1c] #14 /usr/local/samba/lib/libsmbconf.so.0(+0x36f0d)
> [0x7fe42fce2f0d]
> #15 /usr/local/samba/lib/libsmbconf.so.0(lp_include+0xdc)
> [0x7fe42fce35de]
> #16 /usr/local/samba/lib/libsamba-hostconfig.so.0(handle_include+0x43)
> [0x7fe42e7e1fda]
> #17 /usr/local/samba/lib/libsamba-hostconfig.so.0(+0x19816)
> [0x7fe42e7e3816]
> #18 /usr/local/samba/lib/libsamba-hostconfig.so.0(lpcfg_do_global_parameter+0x1d7)
> [0x7fe42e7e3bcd] #19 /usr/local/samba/lib/libsmbconf.so.0(+0x383e3)
> [0x7fe42fce43e3]
> #20 /usr/local/samba/lib/libsamba-util.so.0(+0x3013e)
> [0x7fe42f85213e]
> #21 /usr/local/samba/lib/libsamba-util.so.0(tini_parse+0xcf)
> [0x7fe42f85220f]
> #22 /usr/local/samba/lib/libsamba-util.so.0(pm_process+0x5d)
> [0x7fe42f84a386] #23 /usr/local/samba/lib/libsmbconf.so.0(+0x3b980)
> [0x7fe42fce7980]
> #24 /usr/local/samba/lib/libsmbconf.so.0(lp_load_with_registry_shares+0x39)
> [0x7fe42fce7f27] #25 testparm(main+0x3b3) [0x55efefd3c201]
>   #26 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xe7) 
> [0x7fe42ec22b97]
>   #27 testparm(_start+0x2a) [0x55efefd3a7aa]
> Abgebrochen (Speicherabzug geschrieben)
> 
> But im able to add new parameters like "net conf import smb.reg" and 
> "net conf list" shows me the right output.
> 
> BY THE WAY, THE CLUSTER IS WORKING! How can i fix the testparm issue
> or what did i wrong?
> 
> Thanks again!
> 
> Micha
> 
> 

I haven't a clue about CTDB, but the problem possibly seems to be with
'testparm' which reads smb.conf and this is panicking. So don't you
think it might have been a good idea to post the smb.conf, just in
case you have made an obvious error ?
 
Rowland