[Bug 244265] [NEW] winbindd internal error

[Q3Man]

Public bug reported:

Binary package hint: samba

I'm having an issue with winbind. Every few days (3-8 so far with 4
events) it seems winbindd crashes and restarts. I've checked to see if
any of my cron activities are causing the problem by running them by
hand. I have a log entry that occurs 6 minutes before the failure in
/var/log/samba/winbindd.log. It also appears relevant from the
information in the stack trace.

/var/log/samba/winbindd.log:
[2008/06/28 05:44:19, 1] nsswitch/winbindd_util.c:trustdom_recv(229)
  Could not receive trustdoms

Samba panic-action:
[Thread debugging using libthread_db enabled] [New Thread 0xb7bb96d0 (LWP 11669)] 0xb7fdb410 in __kernel_vsyscall () #0  0xb7fdb410 in __kernel_vsyscall ()
#1  0xb7d784d3 in waitpid () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7d1b643 in ?? () from /lib/tls/i686/cmov/libc.so.6
#3  0x08123148 in smb_panic (why=0x8276e64 "internal error") at lib/util.c:1639
#4  0x0810d96a in sig_fault (sig=6) at lib/fault.c:47
#5  <signal handler called>
#6  0xb7fdb410 in __kernel_vsyscall ()
#7  0xb7d0e085 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0xb7d0fa01 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0xb7d0710e in __assert_fail () from /lib/tls/i686/cmov/libc.so.6 #10 0xb7e4ebea in ldap_parse_result () from /usr/lib/libldap_r-2.4.so.2
#11 0x08239e0c in ads_do_paged_search_args (ads=0x8359670, 
    bind_path=<value optimized out>, scope=0, 
    expr=0x82656f5 "(objectclass=*)", attrs=0xbfa718b0, args=0x0, 
    res=0xbfa718b8, count=0xbfa717d4, cookie=0xbfa717d8) at libads/ldap.c:700
#12 0x0823a18f in ads_do_search_all_args (ads=0x8359670, 
    bind_path=0x8358fb8 "", scope=0, expr=0x82656f5 "(objectclass=*)", 
    attrs=0xbfa718b0, args=0x0, res=0xbfa718b8) at libads/ldap.c:772
#13 0x08243729 in ads_do_search_retry_internal (ads=0x8359670, 
    bind_path=0x82aa775 "", scope=0, expr=0x82656f5 "(objectclass=*)", 
    attrs=0xbfa718b0, args=0x0, res=0xbfa718b8) at libads/ldap_utils.c:60
#14 0x08243c9a in ads_do_search_retry (ads=0x8359670, bind_path=0x82aa775 "", 
    scope=0, expr=0x82656f5 "(objectclass=*)", attrs=0xbfa718b0, 
    res=0xbfa718b8) at libads/ldap_utils.c:124
#15 0x08236c8c in ads_USN (ads=0x8359670, usn=0x8333eb4) at libads/ldap.c:2328
#16 0x080b4269 in sequence_number (domain=0x8333a30, seq=0x8333eb4)
    at nsswitch/winbindd_ads.c:1021
#17 0x08098a31 in refresh_sequence_number (domain=0x8333a30, 
    force=<value optimized out>) at nsswitch/winbindd_cache.c:479
#18 0x08099059 in wcache_fetch (cache=0x83328a8, domain=0x8333a30, 
    format=0x826069f "TRUSTDOMS/%s") at nsswitch/winbindd_cache.c:601
#19 0x08099aa8 in trusted_domains (domain=0x8333a30, mem_ctx=0x8363dc0, 
    num_domains=0xbfa71b38, names=0xbfa71b34, alt_names=0xbfa71b30, 
    dom_sids=0xbfa71b2c) at nsswitch/winbindd_cache.c:1942 #20 0x080a90b8 in winbindd_dual_list_trusted_domains (domain=0x8333a30, 
    state=0xbfa71c48) at nsswitch/winbindd_misc.c:123
#21 0x080b941f in schedule_async_request (child=0x8333f08)
    at nsswitch/winbindd_dual.c:481
#22 0x08095fae in init_child_connection (domain=0x8333a30, 
    continuation=0x80babf0 <domain_init_recv>, private_data=0x8336c98)
    at nsswitch/winbindd_util.c:373
#23 0x080bade6 in async_domain_request (mem_ctx=0x83356d8, domain=0x8333a30, 
    request=0x8335758, response=0x8335fb8, 
    continuation=0x8096700 <trustdom_recv>, private_data_data=0x8334390)
    at nsswitch/winbindd_dual.c:359
#24 0x080965f0 in rescan_trusted_domains () at nsswitch/winbindd_util.c:217
#25 0x0808c17d in main (argc=) at nsswitch/winbindd.c:753 The program is running.  Quit anyway (and detach it)? (y or n) [answered Y; input not from terminal]


# lsb_release -rd
Description:    Ubuntu 8.04
Release:        8.04

# apt-cache policy samba
samba:
  Installed: 3.0.28a-1ubuntu4.3
  Candidate: 3.0.28a-1ubuntu4.3
  Version table:
 *** 3.0.28a-1ubuntu4.3 0
        500 http://us.archive.ubuntu.com hardy-updates/main Packages
        100 /var/lib/dpkg/status
     3.0.28a-1ubuntu4.2 0
        500 http://security.ubuntu.com hardy-security/main Packages
     3.0.28a-1ubuntu4 0
        500 http://us.archive.ubuntu.com hardy/main Packages

# apt-cache policy samba-dbg
samba-dbg:
  Installed: 3.0.28a-1ubuntu4.3
  Candidate: 3.0.28a-1ubuntu4.3
  Version table:
 *** 3.0.28a-1ubuntu4.3 0
        500 http://us.archive.ubuntu.com hardy-updates/main Packages
        100 /var/lib/dpkg/status
     3.0.28a-1ubuntu4.2 0
        500 http://security.ubuntu.com hardy-security/main Packages
     3.0.28a-1ubuntu4 0
        500 http://us.archive.ubuntu.com hardy/main Packages

** Affects: samba (Ubuntu)
     Importance: Undecided
         Status: New

-- 
winbindd internal error
https://bugs.launchpad.net/bugs/244265
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