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Old 12-23-2007, 10:48 PM   #1
rdnewman
Member
 
Registered: Jul 2005
Location: Meridian, ID
Distribution: FC6
Posts: 30

Rep: Reputation: 15
Frustrated with DHCP and Samba (FC6, XP clients)


I'm running two Linux servers, both FC6 with fairly current updates.

The first server, poppa, hosts an internal DNS behind a firewall only for ease of reference to key machines. I'll go DDNS if I have to, but right only trying to use static DNS. Poppa serves as the gateway and firewall.

The second server, momma, is my DHCP and file server with Samba and NFS. It should assume that everything else connecting to it is behind the firewall. I have an internal wireless network that is an access point only and is behind the firewall with a fixed IP within the local subnet.

Momma has a shared directory called /public on it for filesharing with all internal computers.

Here's the problem, my local workstations can attach, though they come in as the main user configured on Momma. A laptop, and so using the wireless, and logging in as another user can sometimes glimpse Momma but can never keep a connection to access /public. The laptop has no problem getting an IP lease from the DHCP server and is always able to browse the Internet and so connectively doesn't appear to be an issue.

My most telling symptom of what is amiss is given by the following listing from /var/log/messages taken just after I restarted named on poppa, then restarted dhcpd and smb on momma, then "repaired" the connection to the laptop, and then, from that laptop, attempted to browse the files on momma:

PART1 of 2 (where 2 is a following post):
Quote:
Dec 23 20:07:36 momma setsebool: The smbd_disable_trans policy boolean was changed to 1 by root
Dec 23 20:07:36 momma setsebool: The samba_share_nfs policy boolean was changed to 1 by root
Dec 23 20:07:56 momma dhcpd: dhcpd shutdown succeeded
Dec 23 20:07:56 momma dhcpd: Internet Systems Consortium DHCP Server V3.0.5-RedHat
Dec 23 20:07:56 momma dhcpd: Copyright 2004-2006 Internet Systems Consortium.
Dec 23 20:07:56 momma dhcpd: All rights reserved.
Dec 23 20:07:56 momma dhcpd: For info, please visit http://www.isc.org/sw/dhcp/
Dec 23 20:07:56 momma dhcpd: Wrote 6 leases to leases file.
Dec 23 20:07:56 momma dhcpd: Listening on LPF/eth0/00:08:54:45:2f:ff/192.168.212/24
Dec 23 20:07:56 momma dhcpd: Sending on LPF/eth0/00:08:54:45:2f:ff/192.168.212/24
Dec 23 20:07:56 momma dhcpd: Sending on Socket/fallback/fallback-net
Dec 23 20:07:56 momma dhcpd: dhcpd startup succeeded
Dec 23 20:08:08 momma nmbd[2882]: [2007/12/23 20:08:08, 0] nmbd/nmbd.c:terminate(58)
Dec 23 20:08:08 momma nmbd[2882]: Got SIGTERM: going down...
Dec 23 20:08:32 momma nmbd[10669]: [2007/12/23 20:08:32, 0] nmbd/nmbd_become_dmb.c:become_domain_master_browser_bcast(290)
Dec 23 20:08:32 momma nmbd[10669]: become_domain_master_browser_bcast:
Dec 23 20:08:32 momma nmbd[10669]: Attempting to become domain master browser on workgroup WORKGROUP on subnet 192.168.212.112
Dec 23 20:08:32 momma nmbd[10669]: [2007/12/23 20:08:32, 0] nmbd/nmbd_become_dmb.c:become_domain_master_browser_bcast(303)
Dec 23 20:08:32 momma nmbd[10669]: become_domain_master_browser_bcast: querying subnet 192.168.212.112 for domain master browser on workgroup WORKGROUP
Dec 23 20:08:40 momma nmbd[10669]: [2007/12/23 20:08:40, 0] nmbd/nmbd_become_dmb.c:become_domain_master_stage2(113)
Dec 23 20:08:40 momma nmbd[10669]: *****
Dec 23 20:08:40 momma nmbd[10669]:
Dec 23 20:08:40 momma nmbd[10669]: Samba server MOMMA is now a domain master browser for workgroup WORKGROUP on subnet 192.168.212.112
Dec 23 20:08:40 momma nmbd[10669]:
Dec 23 20:08:40 momma nmbd[10669]: *****
Dec 23 20:08:55 momma nmbd[10669]: [2007/12/23 20:08:55, 0] nmbd/nmbd_become_lmb.c:become_local_master_stage2(396)
Dec 23 20:08:55 momma nmbd[10669]: *****
Dec 23 20:08:55 momma nmbd[10669]:
Dec 23 20:08:55 momma nmbd[10669]: Samba name server MOMMA is now a local master browser for workgroup WORKGROUP on subnet 192.168.212.112
Dec 23 20:08:55 momma nmbd[10669]:
Dec 23 20:08:55 momma nmbd[10669]: *****
Dec 23 20:09:24 momma kernel: audit(1198465764.104:10): bool=nmbd_disable_trans val=1 old_val=0 auid=4294967295
Dec 23 20:09:24 momma dbus: Can't send to audit system: USER_AVC avc: received policyload notice (seqno=3) : exe="/bin/dbus-daemon" (sauid=500, hostname=?, addr=?, terminal=?)
Dec 23 20:09:24 momma kernel: audit(1198465764.124:11): user pid=2485 uid=81 auid=4294967295 subj=system_u:system_r:system_dbusd_t:s0 msg='avc: received policyload notice (seqno=3)
Dec 23 20:09:24 momma kernel: : exe="?" (sauid=81, hostname=?, addr=?, terminal=?)'
Dec 23 20:09:25 momma setsebool: The nmbd_disable_trans policy boolean was changed to 1 by root
Dec 23 20:10:05 momma dhcpd: Unable to add forward map from knecht.somedomain.tld. to 192.168.212.236: DNS format error
Dec 23 20:10:11 momma dhcpd: momma: no A record associated with address
Dec 23 20:10:11 momma dhcpd: DHCPREQUEST for 192.168.212.236 from 00:0a:e4:26:a5:1f (knecht) via eth0
Dec 23 20:10:11 momma dhcpd: DHCPACK on 192.168.212.236 to 00:0a:e4:26:a5:1f (knecht) via eth0
Dec 23 20:10:11 momma dhcpd: Unable to add forward map from knecht.somedomain.tld. to 192.168.212.236: DNS format error
Dec 23 20:10:11 momma dhcpd: DHCPREQUEST for 192.168.212.236 from 00:0a:e4:26:a5:1f (knecht) via eth0
Dec 23 20:10:11 momma dhcpd: DHCPACK on 192.168.212.236 to 00:0a:e4:26:a5:1f (knecht) via eth0
Dec 23 20:10:13 momma dhcpd: Unable to add forward map from knecht.somedomain.tld. to 192.168.212.236: DNS format error
Dec 23 20:10:13 momma dhcpd: DHCPREQUEST for 192.168.212.236 from 00:0a:e4:26:a5:1f (knecht) via eth0
Dec 23 20:10:13 momma dhcpd: DHCPACK on 192.168.212.236 to 00:0a:e4:26:a5:1f (knecht) via eth0
Dec 23 20:10:46 momma dhcpd: DHCPDISCOVER from 00:11:50:29:a5:44 (jin) via eth0
Dec 23 20:10:47 momma dhcpd: DHCPOFFER on 192.168.212.239 to 00:11:50:29:a5:44 (jin) via eth0
Dec 23 20:10:47 momma dhcpd: Unable to add forward map from jin.somedomain.tld. to 192.168.212.239: DNS format error
Dec 23 20:10:47 momma dhcpd: DHCPREQUEST for 192.168.212.239 (192.168.212.112) from 00:11:50:29:a5:44 (jin) via eth0
Dec 23 20:10:47 momma dhcpd: DHCPACK on 192.168.212.239 to 00:11:50:29:a5:44 (jin) via eth0
Dec 23 20:10:53 momma dhcpd: Unable to add forward map from jin.somedomain.tld. to 192.168.212.239: DNS format error
Dec 23 20:10:53 momma dhcpd: DHCPREQUEST for 192.168.212.239 from 00:11:50:29:a5:44 (jin) via eth0
Dec 23 20:10:53 momma dhcpd: DHCPACK on 192.168.212.239 to 00:11:50:29:a5:44 (jin) via eth0
Dec 23 20:11:34 momma smbd[32658]: [2007/12/23 20:11:34, 0] lib/util_sec.c:assert_uid(101)
Dec 23 20:11:34 momma smbd[32658]: Failed to set uid privileges to (-1,501) now set to (0,0)
Dec 23 20:11:34 momma smbd[32658]: [2007/12/23 20:11:34, 0] lib/util.c:smb_panic(1621)
Dec 23 20:11:34 momma smbd[32658]: PANIC (pid 32658): failed to set uid
Dec 23 20:11:34 momma smbd[32658]:
Dec 23 20:11:34 momma smbd[32658]: [2007/12/23 20:11:34, 0] lib/util.c:log_stack_trace(1728)
Dec 23 20:11:34 momma smbd[32658]: BACKTRACE: 22 stack frames:
Dec 23 20:11:34 momma smbd[32658]: #0 smbd(log_stack_trace+0x2d) [0x8022578d]
Dec 23 20:11:34 momma smbd[32658]: #1 smbd(smb_panic+0x5d) [0x802258bd]
Dec 23 20:11:34 momma smbd[32658]: #2 smbd [0x8022b9ce]
Dec 23 20:11:34 momma smbd[32658]: #3 smbd [0x800a6bac]
Dec 23 20:11:34 momma smbd[32658]: #4 smbd(pop_sec_ctx+0xa2) [0x800a6d42]
Dec 23 20:11:34 momma smbd[32658]: #5 smbd(unbecome_root+0x17) [0x8009bfc7]
Dec 23 20:11:34 momma smbd[32658]: #6 smbd(gid_to_sid+0x10e) [0x801e008e]
Dec 23 20:11:34 momma smbd[32658]: #7 smbd [0x800af41c]
Dec 23 20:11:34 momma smbd[32658]: #8 smbd(get_nt_acl+0x4c0) [0x800b56c0]
Dec 23 20:11:34 momma smbd[32658]: #9 smbd(vfswrap_fget_nt_acl+0x2b) [0x800aa6ab]
Dec 23 20:11:34 momma smbd[32658]: #10 smbd(is_visible_file+0x2ca) [0x8005910a]
Dec 23 20:11:34 momma smbd[32658]: #11 smbd [0x8005966d]
Dec 23 20:11:34 momma smbd[32658]: #12 smbd(dptr_ReadDirName+0x51) [0x800596d1]
Dec 23 20:11:34 momma smbd[32658]: #13 smbd [0x800917bd]
Dec 23 20:11:34 momma smbd[32658]: #14 smbd [0x80094b41]
Dec 23 20:11:34 momma smbd[32658]: #15 smbd(handle_trans2+0x24b) [0x8009545b]
Dec 23 20:11:34 momma smbd[32658]: #16 smbd(reply_trans2+0x6ca) [0x8009b80a]
Dec 23 20:11:34 momma smbd[32658]: #17 smbd [0x800b81c0]
Dec 23 20:11:34 momma smbd[32658]: #18 smbd(smbd_process+0x7ab) [0x800b92eb]
Dec 23 20:11:34 momma smbd[32658]: #19 smbd(main+0xbd0) [0x802d4490]
Dec 23 20:11:34 momma smbd[32658]: #20 /lib/libc.so.6(__libc_start_main+0xdc) [0x368dec]
Dec 23 20:11:34 momma smbd[32658]: #21 smbd [0x80043051]
Dec 23 20:11:34 momma smbd[32658]: [2007/12/23 20:11:34, 0] lib/fault.c:dump_core(173)
Dec 23 20:11:34 momma smbd[32658]: dumping core in /var/log/samba/cores/smbd
Dec 23 20:11:34 momma smbd[32658]:
Dec 23 20:11:54 momma smbd[15638]: [2007/12/23 20:11:54, 0] lib/util_sec.c:assert_uid(101)
Dec 23 20:11:54 momma smbd[15638]: Failed to set uid privileges to (-1,501) now set to (0,0)
Dec 23 20:11:54 momma smbd[15638]: [2007/12/23 20:11:54, 0] lib/util.c:smb_panic(1621)
Dec 23 20:11:54 momma smbd[15638]: PANIC (pid 15638): failed to set uid
Dec 23 20:11:54 momma smbd[15638]:
Dec 23 20:11:54 momma smbd[15638]: [2007/12/23 20:11:54, 0] lib/util.c:log_stack_trace(1728)
Dec 23 20:11:54 momma smbd[15638]: BACKTRACE: 22 stack frames:
Dec 23 20:11:54 momma smbd[15638]: #0 smbd(log_stack_trace+0x2d) [0x8022578d]
Dec 23 20:11:54 momma smbd[15638]: #1 smbd(smb_panic+0x5d) [0x802258bd]
Dec 23 20:11:54 momma smbd[15638]: #2 smbd [0x8022b9ce]
Dec 23 20:11:54 momma smbd[15638]: #3 smbd [0x800a6bac]
Dec 23 20:11:54 momma smbd[15638]: #4 smbd(pop_sec_ctx+0xa2) [0x800a6d42]
Dec 23 20:11:54 momma smbd[15638]: #5 smbd(unbecome_root+0x17) [0x8009bfc7]
Dec 23 20:11:54 momma smbd[15638]: #6 smbd(gid_to_sid+0x10e) [0x801e008e]
Dec 23 20:11:54 momma smbd[15638]: #7 smbd [0x800af41c]
Dec 23 20:11:54 momma smbd[15638]: #8 smbd(get_nt_acl+0x4c0) [0x800b56c0]
Dec 23 20:11:54 momma smbd[15638]: #9 smbd(vfswrap_fget_nt_acl+0x2b) [0x800aa6ab]
Dec 23 20:11:54 momma smbd[15638]: #10 smbd(is_visible_file+0x2ca) [0x8005910a]
Dec 23 20:11:54 momma smbd[15638]: #11 smbd [0x8005966d]
Dec 23 20:11:54 momma smbd[15638]: #12 smbd(dptr_ReadDirName+0x51) [0x800596d1]
Dec 23 20:11:54 momma smbd[15638]: #13 smbd [0x800917bd]
Dec 23 20:11:54 momma smbd[15638]: #14 smbd [0x80094b41]
Dec 23 20:11:54 momma smbd[15638]: #15 smbd(handle_trans2+0x24b) [0x8009545b]
Dec 23 20:11:54 momma smbd[15638]: #16 smbd(reply_trans2+0x6ca) [0x8009b80a]
Dec 23 20:11:54 momma smbd[15638]: #17 smbd [0x800b81c0]
Dec 23 20:11:54 momma smbd[15638]: #18 smbd(smbd_process+0x7ab) [0x800b92eb]
Dec 23 20:11:54 momma smbd[15638]: #19 smbd(main+0xbd0) [0x802d4490]
Dec 23 20:11:54 momma smbd[15638]: #20 /lib/libc.so.6(__libc_start_main+0xdc) [0x368dec]
Dec 23 20:11:54 momma smbd[15638]: #21 smbd [0x80043051]
Dec 23 20:11:54 momma smbd[15638]: [2007/12/23 20:11:54, 0] lib/fault.c:dump_core(173)
Dec 23 20:11:54 momma smbd[15638]: dumping core in /var/log/samba/cores/smbd
Dec 23 20:11:54 momma smbd[15638]:
Dec 23 20:11:54 momma smbd[23976]: [2007/12/23 20:11:54, 0] lib/util_sock.c:get_peer_addr(1229)
Dec 23 20:11:54 momma smbd[23976]: getpeername failed. Error was Transport endpoint is not connected
Dec 23 20:11:54 momma smbd[23976]: [2007/12/23 20:11:54, 0] lib/util_sock.c:get_peer_addr(1229)
Dec 23 20:11:54 momma smbd[23976]: getpeername failed. Error was Transport endpoint is not connected
Dec 23 20:11:54 momma smbd[23976]: [2007/12/23 20:11:54, 0] lib/access.c:check_access(327)
Dec 23 20:11:54 momma smbd[23976]: [2007/12/23 20:11:54, 0] lib/util_sock.c:get_peer_addr(1229)
Dec 23 20:11:54 momma smbd[23976]: getpeername failed. Error was Transport endpoint is not connected
Dec 23 20:11:54 momma smbd[23976]: Denied connection from (0.0.0.0)
Dec 23 20:11:54 momma smbd[23976]: [2007/12/23 20:11:54, 0] lib/util_sock.c:get_peer_addr(1229)
Dec 23 20:11:54 momma smbd[23976]: getpeername failed. Error was Transport endpoint is not connected
Dec 23 20:11:54 momma smbd[23976]: Connection denied from 0.0.0.0
Dec 23 20:11:54 momma smbd[23976]: [2007/12/23 20:11:54, 0] lib/util_sock.c:write_data(562)
Dec 23 20:11:54 momma smbd[23976]: write_data: write failure in writing to client 192.168.212.239. Error Connection reset by peer
Dec 23 20:11:54 momma smbd[23976]: [2007/12/23 20:11:54, 0] lib/util_sock.c:send_smb(769)
Dec 23 20:11:54 momma smbd[23976]: Error writing 5 bytes to client. -1. (Connection reset by peer)
Dec 23 20:12:06 momma smbd[23977]: [2007/12/23 20:12:06, 0] lib/util_sec.c:assert_uid(101)
Dec 23 20:12:06 momma smbd[23977]: Failed to set uid privileges to (-1,501) now set to (0,0)
Dec 23 20:12:06 momma smbd[23977]: [2007/12/23 20:12:06, 0] lib/util.c:smb_panic(1621)
Dec 23 20:12:06 momma smbd[23977]: PANIC (pid 23977): failed to set uid
Dec 23 20:12:06 momma smbd[23977]:
Dec 23 20:12:06 momma smbd[23977]: [2007/12/23 20:12:06, 0] lib/util.c:log_stack_trace(1728)
Dec 23 20:12:06 momma smbd[23977]: BACKTRACE: 22 stack frames:
Dec 23 20:12:06 momma smbd[23977]: #0 smbd(log_stack_trace+0x2d) [0x8022578d]
Dec 23 20:12:06 momma smbd[23977]: #1 smbd(smb_panic+0x5d) [0x802258bd]
Dec 23 20:12:06 momma smbd[23977]: #2 smbd [0x8022b9ce]
Dec 23 20:12:06 momma smbd[23977]: #3 smbd [0x800a6bac]
Dec 23 20:12:06 momma smbd[23977]: #4 smbd(pop_sec_ctx+0xa2) [0x800a6d42]
Dec 23 20:12:06 momma smbd[23977]: #5 smbd(unbecome_root+0x17) [0x8009bfc7]
Dec 23 20:12:06 momma smbd[23977]: #6 smbd(uid_to_sid+0x116) [0x801e2426]
Dec 23 20:12:06 momma smbd[23977]: #7 smbd [0x800af40d]
Dec 23 20:12:06 momma smbd[23977]: #8 smbd(get_nt_acl+0x4c0) [0x800b56c0]
Dec 23 20:12:06 momma smbd[23977]: #9 smbd(vfswrap_fget_nt_acl+0x2b) [0x800aa6ab]
Dec 23 20:12:06 momma smbd[23977]: #10 smbd(is_visible_file+0x2ca) [0x8005910a]
Dec 23 20:12:06 momma smbd[23977]: #11 smbd [0x8005966d]
Dec 23 20:12:06 momma smbd[23977]: #12 smbd(dptr_ReadDirName+0x51) [0x800596d1]
Dec 23 20:12:06 momma smbd[23977]: #13 smbd [0x800917bd]
Dec 23 20:12:06 momma smbd[23977]: #14 smbd [0x80094b41]
Dec 23 20:12:06 momma smbd[23977]: #15 smbd(handle_trans2+0x24b) [0x8009545b]
Dec 23 20:12:06 momma smbd[23977]: #16 smbd(reply_trans2+0x6ca) [0x8009b80a]
Dec 23 20:12:06 momma smbd[23977]: #17 smbd [0x800b81c0]
Dec 23 20:12:06 momma smbd[23977]: #18 smbd(smbd_process+0x7ab) [0x800b92eb]
Dec 23 20:12:06 momma smbd[23977]: #19 smbd(main+0xbd0) [0x802d4490]
Dec 23 20:12:06 momma smbd[23977]: #20 /lib/libc.so.6(__libc_start_main+0xdc) [0x368dec]
Dec 23 20:12:06 momma smbd[23977]: #21 smbd [0x80043051]
Dec 23 20:12:06 momma smbd[23977]: [2007/12/23 20:12:06, 0] lib/fault.c:dump_core(173)

[to be continued]

SELinux on Momma is set to permissive.

I'm not sure where to start. I can post the config files if you tell me which ones you'd like to start with.

Can you help save my Christmas with some advice?

Thanks much,
Richard

Last edited by rdnewman; 01-04-2008 at 09:07 PM. Reason: obscure domainname
 
Old 12-23-2007, 10:50 PM   #2
rdnewman
Member
 
Registered: Jul 2005
Location: Meridian, ID
Distribution: FC6
Posts: 30

Original Poster
Rep: Reputation: 15
And the second half of the messages dump is below:

Quote:
[...continued from previous post]

Dec 23 20:12:06 momma smbd[23977]: dumping core in /var/log/samba/cores/smbd
Dec 23 20:12:06 momma smbd[23977]:
Dec 23 20:12:45 momma smbd[28628]: [2007/12/23 20:12:45, 0] lib/util_sec.c:assert_uid(101)
Dec 23 20:12:45 momma smbd[28628]: Failed to set uid privileges to (-1,501) now set to (0,0)
Dec 23 20:12:45 momma smbd[28628]: [2007/12/23 20:12:45, 0] lib/util.c:smb_panic(1621)
Dec 23 20:12:45 momma smbd[28628]: PANIC (pid 28628): failed to set uid
Dec 23 20:12:45 momma smbd[28628]:
Dec 23 20:12:45 momma smbd[28628]: [2007/12/23 20:12:45, 0] lib/util.c:log_stack_trace(1728)
Dec 23 20:12:45 momma smbd[28628]: BACKTRACE: 22 stack frames:
Dec 23 20:12:45 momma smbd[28628]: #0 smbd(log_stack_trace+0x2d) [0x8022578d]
Dec 23 20:12:45 momma smbd[28628]: #1 smbd(smb_panic+0x5d) [0x802258bd]
Dec 23 20:12:45 momma smbd[28628]: #2 smbd [0x8022b9ce]
Dec 23 20:12:45 momma smbd[28628]: #3 smbd [0x800a6bac]
Dec 23 20:12:45 momma smbd[28628]: #4 smbd(pop_sec_ctx+0xa2) [0x800a6d42]
Dec 23 20:12:45 momma smbd[28628]: #5 smbd(unbecome_root+0x17) [0x8009bfc7]
Dec 23 20:12:45 momma smbd[28628]: #6 smbd(uid_to_sid+0x116) [0x801e2426]
Dec 23 20:12:45 momma smbd[28628]: #7 smbd [0x800af40d]
Dec 23 20:12:45 momma smbd[28628]: #8 smbd(get_nt_acl+0x4c0) [0x800b56c0]
Dec 23 20:12:45 momma smbd[28628]: #9 smbd(vfswrap_fget_nt_acl+0x2b) [0x800aa6ab]
Dec 23 20:12:45 momma smbd[28628]: #10 smbd(is_visible_file+0x2ca) [0x8005910a]
Dec 23 20:12:45 momma smbd[28628]: #11 smbd [0x8005966d]
Dec 23 20:12:45 momma smbd[28628]: #12 smbd(dptr_ReadDirName+0x51) [0x800596d1]
Dec 23 20:12:45 momma smbd[28628]: #13 smbd [0x800917bd]
Dec 23 20:12:45 momma smbd[28628]: #14 smbd [0x80094b41]
Dec 23 20:12:45 momma smbd[28628]: #15 smbd(handle_trans2+0x24b) [0x8009545b]
Dec 23 20:12:45 momma smbd[28628]: #16 smbd(reply_trans2+0x6ca) [0x8009b80a]
Dec 23 20:12:45 momma smbd[28628]: #17 smbd [0x800b81c0]
Dec 23 20:12:45 momma smbd[28628]: #18 smbd(smbd_process+0x7ab) [0x800b92eb]
Dec 23 20:12:45 momma smbd[28628]: #19 smbd(main+0xbd0) [0x802d4490]
Dec 23 20:12:45 momma smbd[28628]: #20 /lib/libc.so.6(__libc_start_main+0xdc) [0x368dec]
Dec 23 20:12:45 momma smbd[28628]: #21 smbd [0x80043051]
Dec 23 20:12:45 momma smbd[28628]: [2007/12/23 20:12:45, 0] lib/fault.c:dump_core(173)
Dec 23 20:12:45 momma smbd[28628]: dumping core in /var/log/samba/cores/smbd
Dec 23 20:12:45 momma smbd[28628]:
Dec 23 20:13:09 momma smbd[12845]: [2007/12/23 20:13:09, 0] lib/util_sec.c:assert_uid(101)
Dec 23 20:13:09 momma smbd[12845]: Failed to set uid privileges to (-1,501) now set to (0,0)
Dec 23 20:13:09 momma smbd[12845]: [2007/12/23 20:13:09, 0] lib/util.c:smb_panic(1621)
Dec 23 20:13:09 momma smbd[12845]: PANIC (pid 12845): failed to set uid
Dec 23 20:13:09 momma smbd[12845]:
Dec 23 20:13:09 momma smbd[12845]: [2007/12/23 20:13:09, 0] lib/util.c:log_stack_trace(1728)
Dec 23 20:13:09 momma smbd[12845]: BACKTRACE: 22 stack frames:
Dec 23 20:13:09 momma smbd[12845]: #0 smbd(log_stack_trace+0x2d) [0x8022578d]
Dec 23 20:13:09 momma smbd[12845]: #1 smbd(smb_panic+0x5d) [0x802258bd]
Dec 23 20:13:09 momma smbd[12845]: #2 smbd [0x8022b9ce]
Dec 23 20:13:09 momma smbd[12845]: #3 smbd [0x800a6bac]
Dec 23 20:13:09 momma smbd[12845]: #4 smbd(pop_sec_ctx+0xa2) [0x800a6d42]
Dec 23 20:13:09 momma smbd[12845]: #5 smbd(unbecome_root+0x17) [0x8009bfc7]
Dec 23 20:13:09 momma smbd[12845]: #6 smbd(gid_to_sid+0x10e) [0x801e008e]
Dec 23 20:13:09 momma smbd[12845]: #7 smbd [0x800af41c]
Dec 23 20:13:09 momma smbd[12845]: #8 smbd(get_nt_acl+0x4c0) [0x800b56c0]
Dec 23 20:13:09 momma smbd[12845]: #9 smbd(vfswrap_fget_nt_acl+0x2b) [0x800aa6ab]
Dec 23 20:13:09 momma smbd[12845]: #10 smbd(is_visible_file+0x2ca) [0x8005910a]
Dec 23 20:13:09 momma smbd[12845]: #11 smbd [0x8005966d]
Dec 23 20:13:09 momma smbd[12845]: #12 smbd(dptr_ReadDirName+0x51) [0x800596d1]
Dec 23 20:13:09 momma smbd[12845]: #13 smbd [0x800917bd]
Dec 23 20:13:09 momma smbd[12845]: #14 smbd [0x80094b41]
Dec 23 20:13:09 momma smbd[12845]: #15 smbd(handle_trans2+0x24b) [0x8009545b]
Dec 23 20:13:09 momma smbd[12845]: #16 smbd(reply_trans2+0x6ca) [0x8009b80a]
Dec 23 20:13:09 momma smbd[12845]: #17 smbd [0x800b81c0]
Dec 23 20:13:09 momma smbd[12845]: #18 smbd(smbd_process+0x7ab) [0x800b92eb]
Dec 23 20:13:09 momma smbd[12845]: #19 smbd(main+0xbd0) [0x802d4490]
Dec 23 20:13:09 momma smbd[12845]: #20 /lib/libc.so.6(__libc_start_main+0xdc) [0x368dec]
Dec 23 20:13:09 momma smbd[12845]: #21 smbd [0x80043051]
Dec 23 20:13:09 momma smbd[12845]: [2007/12/23 20:13:09, 0] lib/fault.c:dump_core(173)
Dec 23 20:13:09 momma smbd[12845]: dumping core in /var/log/samba/cores/smbd
Dec 23 20:13:09 momma smbd[12845]:
Dec 23 20:13:36 momma smbd[21733]: [2007/12/23 20:13:36, 0] lib/util_sec.c:assert_uid(101)
Dec 23 20:13:36 momma smbd[21733]: Failed to set uid privileges to (-1,501) now set to (0,0)
Dec 23 20:13:36 momma smbd[21733]: [2007/12/23 20:13:36, 0] lib/util.c:smb_panic(1621)
Dec 23 20:13:36 momma smbd[21733]: PANIC (pid 21733): failed to set uid
Dec 23 20:13:36 momma smbd[21733]:
Dec 23 20:13:36 momma smbd[21733]: [2007/12/23 20:13:36, 0] lib/util.c:log_stack_trace(1728)
Dec 23 20:13:36 momma smbd[21733]: BACKTRACE: 22 stack frames:
Dec 23 20:13:36 momma smbd[21733]: #0 smbd(log_stack_trace+0x2d) [0x8022578d]
Dec 23 20:13:36 momma smbd[21733]: #1 smbd(smb_panic+0x5d) [0x802258bd]
Dec 23 20:13:36 momma smbd[21733]: #2 smbd [0x8022b9ce]
Dec 23 20:13:36 momma smbd[21733]: #3 smbd [0x800a6bac]
Dec 23 20:13:36 momma smbd[21733]: #4 smbd(pop_sec_ctx+0xa2) [0x800a6d42]
Dec 23 20:13:36 momma smbd[21733]: #5 smbd(unbecome_root+0x17) [0x8009bfc7]
Dec 23 20:13:36 momma smbd[21733]: #6 smbd(gid_to_sid+0x10e) [0x801e008e]
Dec 23 20:13:36 momma smbd[21733]: #7 smbd [0x800af41c]
Dec 23 20:13:36 momma smbd[21733]: #8 smbd(get_nt_acl+0x4c0) [0x800b56c0]
Dec 23 20:13:36 momma smbd[21733]: #9 smbd(vfswrap_fget_nt_acl+0x2b) [0x800aa6ab]
Dec 23 20:13:36 momma smbd[21733]: #10 smbd(is_visible_file+0x2ca) [0x8005910a]
Dec 23 20:13:36 momma smbd[21733]: #11 smbd [0x8005966d]
Dec 23 20:13:36 momma smbd[21733]: #12 smbd(dptr_ReadDirName+0x51) [0x800596d1]
Dec 23 20:13:36 momma smbd[21733]: #13 smbd [0x800917bd]
Dec 23 20:13:36 momma smbd[21733]: #14 smbd [0x80094b41]
Dec 23 20:13:36 momma smbd[21733]: #15 smbd(handle_trans2+0x24b) [0x8009545b]
Dec 23 20:13:36 momma smbd[21733]: #16 smbd(reply_trans2+0x6ca) [0x8009b80a]
Dec 23 20:13:36 momma smbd[21733]: #17 smbd [0x800b81c0]
Dec 23 20:13:36 momma smbd[21733]: #18 smbd(smbd_process+0x7ab) [0x800b92eb]
Dec 23 20:13:36 momma smbd[21733]: #19 smbd(main+0xbd0) [0x802d4490]
Dec 23 20:13:36 momma smbd[21733]: #20 /lib/libc.so.6(__libc_start_main+0xdc) [0x368dec]
Dec 23 20:13:36 momma smbd[21733]: #21 smbd [0x80043051]
Dec 23 20:13:36 momma smbd[21733]: [2007/12/23 20:13:36, 0] lib/fault.c:dump_core(173)
Dec 23 20:13:36 momma smbd[21733]: dumping core in /var/log/samba/cores/smbd
Dec 23 20:13:36 momma smbd[21733]:
Dec 23 20:13:56 momma smbd[30662]: [2007/12/23 20:13:56, 0] lib/util_sec.c:assert_uid(101)
Dec 23 20:13:56 momma smbd[30662]: Failed to set uid privileges to (-1,501) now set to (0,0)
Dec 23 20:13:56 momma smbd[30662]: [2007/12/23 20:13:56, 0] lib/util.c:smb_panic(1621)
Dec 23 20:13:56 momma smbd[30662]: PANIC (pid 30662): failed to set uid
Dec 23 20:13:56 momma smbd[30662]:
Dec 23 20:13:56 momma smbd[30662]: [2007/12/23 20:13:56, 0] lib/util.c:log_stack_trace(1728)
Dec 23 20:13:56 momma smbd[30662]: BACKTRACE: 22 stack frames:
Dec 23 20:13:56 momma smbd[30662]: #0 smbd(log_stack_trace+0x2d) [0x8022578d]
Dec 23 20:13:56 momma smbd[30662]: #1 smbd(smb_panic+0x5d) [0x802258bd]
Dec 23 20:13:56 momma smbd[30662]: #2 smbd [0x8022b9ce]
Dec 23 20:13:56 momma smbd[30662]: #3 smbd [0x800a6bac]
Dec 23 20:13:56 momma smbd[30662]: #4 smbd(pop_sec_ctx+0xa2) [0x800a6d42]
Dec 23 20:13:56 momma smbd[30662]: #5 smbd(unbecome_root+0x17) [0x8009bfc7]
Dec 23 20:13:57 momma smbd[30662]: #6 smbd(uid_to_sid+0x116) [0x801e2426]
Dec 23 20:13:57 momma smbd[30662]: #7 smbd [0x800af40d]
Dec 23 20:13:57 momma smbd[30662]: #8 smbd(get_nt_acl+0x4c0) [0x800b56c0]
Dec 23 20:13:57 momma smbd[30662]: #9 smbd(vfswrap_fget_nt_acl+0x2b) [0x800aa6ab]
Dec 23 20:13:57 momma smbd[30662]: #10 smbd(is_visible_file+0x2ca) [0x8005910a]
Dec 23 20:13:57 momma smbd[30662]: #11 smbd [0x8005966d]
Dec 23 20:13:57 momma smbd[30662]: #12 smbd(dptr_ReadDirName+0x51) [0x800596d1]
Dec 23 20:13:57 momma smbd[30662]: #13 smbd [0x800917bd]
Dec 23 20:13:57 momma smbd[30662]: #14 smbd [0x80094b41]
Dec 23 20:13:57 momma smbd[30662]: #15 smbd(handle_trans2+0x24b) [0x8009545b]
Dec 23 20:13:57 momma smbd[30662]: #16 smbd(reply_trans2+0x6ca) [0x8009b80a]
Dec 23 20:13:57 momma smbd[30662]: #17 smbd [0x800b81c0]
Dec 23 20:13:57 momma smbd[30662]: #18 smbd(smbd_process+0x7ab) [0x800b92eb]
Dec 23 20:13:57 momma smbd[30662]: #19 smbd(main+0xbd0) [0x802d4490]
Dec 23 20:13:57 momma smbd[30662]: #20 /lib/libc.so.6(__libc_start_main+0xdc) [0x368dec]
Dec 23 20:13:57 momma smbd[30662]: #21 smbd [0x80043051]
Dec 23 20:13:57 momma smbd[30662]: [2007/12/23 20:13:57, 0] lib/fault.c:dump_core(173)
Dec 23 20:13:57 momma smbd[30662]: dumping core in /var/log/samba/cores/smbd
Dec 23 20:13:57 momma smbd[30662]:
Dec 23 20:14:15 momma smbd[6545]: [2007/12/23 20:14:15, 0] lib/util_sec.c:assert_uid(101)
Dec 23 20:14:15 momma smbd[6545]: Failed to set uid privileges to (-1,501) now set to (0,0)
Dec 23 20:14:15 momma smbd[6545]: [2007/12/23 20:14:15, 0] lib/util.c:smb_panic(1621)
Dec 23 20:14:15 momma smbd[6545]: PANIC (pid 6545): failed to set uid
Dec 23 20:14:15 momma smbd[6545]:
Dec 23 20:14:15 momma smbd[6545]: [2007/12/23 20:14:15, 0] lib/util.c:log_stack_trace(1728)
Dec 23 20:14:15 momma smbd[6545]: BACKTRACE: 22 stack frames:
Dec 23 20:14:15 momma smbd[6545]: #0 smbd(log_stack_trace+0x2d) [0x8022578d]
Dec 23 20:14:15 momma smbd[6545]: #1 smbd(smb_panic+0x5d) [0x802258bd]
Dec 23 20:14:15 momma smbd[6545]: #2 smbd [0x8022b9ce]
Dec 23 20:14:15 momma smbd[6545]: #3 smbd [0x800a6bac]
Dec 23 20:14:15 momma smbd[6545]: #4 smbd(pop_sec_ctx+0xa2) [0x800a6d42]
Dec 23 20:14:15 momma smbd[6545]: #5 smbd(unbecome_root+0x17) [0x8009bfc7]
Dec 23 20:14:15 momma smbd[6545]: #6 smbd(uid_to_sid+0x116) [0x801e2426]
Dec 23 20:14:15 momma smbd[6545]: #7 smbd [0x800af40d]
Dec 23 20:14:15 momma smbd[6545]: #8 smbd(get_nt_acl+0x4c0) [0x800b56c0]
Dec 23 20:14:15 momma smbd[6545]: #9 smbd(vfswrap_fget_nt_acl+0x2b) [0x800aa6ab]
Dec 23 20:14:15 momma smbd[6545]: #10 smbd(is_visible_file+0x2ca) [0x8005910a]
Dec 23 20:14:15 momma smbd[6545]: #11 smbd [0x8005966d]
Dec 23 20:14:15 momma smbd[6545]: #12 smbd(dptr_ReadDirName+0x51) [0x800596d1]
Dec 23 20:14:15 momma smbd[6545]: #13 smbd [0x800917bd]
Dec 23 20:14:15 momma smbd[6545]: #14 smbd [0x80093cfd]
Dec 23 20:14:15 momma smbd[6545]: #15 smbd(handle_trans2+0x2a0) [0x800954b0]
Dec 23 20:14:15 momma smbd[6545]: #16 smbd(reply_trans2+0x6ca) [0x8009b80a]
Dec 23 20:14:15 momma smbd[6545]: #17 smbd [0x800b81c0]
Dec 23 20:14:15 momma smbd[6545]: #18 smbd(smbd_process+0x7ab) [0x800b92eb]
Dec 23 20:14:15 momma smbd[6545]: #19 smbd(main+0xbd0) [0x802d4490]
Dec 23 20:14:15 momma smbd[6545]: #20 /lib/libc.so.6(__libc_start_main+0xdc) [0x368dec]
Dec 23 20:14:15 momma smbd[6545]: #21 smbd [0x80043051]
Dec 23 20:14:15 momma smbd[6545]: [2007/12/23 20:14:15, 0] lib/fault.c:dump_core(173)
Dec 23 20:14:15 momma smbd[6545]: dumping core in /var/log/samba/cores/smbd
Dec 23 20:14:15 momma smbd[6545]:

[end]
Richard
 
Old 12-24-2007, 06:39 PM   #3
rdnewman
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I have focused on the following lines, but am still stumped:

Quote:
Dec 23 20:14:15 momma smbd[6545]: Failed to set uid privileges to (-1,501) now set to (0,0)
Dec 23 20:14:15 momma smbd[6545]: [2007/12/23 20:14:15, 0] lib/util.c:smb_panic(1621)
Dec 23 20:14:15 momma smbd[6545]: PANIC (pid 6545): failed to set uid
The user that is involved is registered with a GID of 501 along with the UID of 501, so I'm not sure where the -1 is creeping in. I've set my nobody and nfsnobody to UID and GID's of less than 1000, so I'm still not sure where to go next. Is there another log file that would give me more of an idea?
 
Old 12-27-2007, 11:40 AM   #4
rdnewman
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Hopeful ping.

Richard
 
Old 01-02-2008, 11:46 PM   #5
rdnewman
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Now that the holidays are over, I thought I'd ping one more time.

Even if all you can offer is a lead where to look further, I'd appreciate the advice.

Thanks in advance,
Richard
 
Old 01-03-2008, 03:43 PM   #6
ARC1450
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I'm just curious. . .can you post up the [public] part of your /etc/samba/smb.conf?

Also, are you sharing /public over NFS and Samba at the same time?
 
Old 01-03-2008, 07:38 PM   #7
rdnewman
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ARC1450, thank you so much for replying.

Below is the public part of the /etc/samba/smb.conf file:
Quote:
[public]
comment = File Service
path = /pub
writeable = yes
browseable = yes
printable = no
Yes, /pub is shared under both NFS and Samba.

Regards,
Richard
 
Old 01-04-2008, 09:21 AM   #8
ARC1450
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Hmmm. . .it LOOKS okay. . .

Do the crashes happen when any other directory is accessed via Samba? Or is it just the PUBLIC share?

If it's all shares, post up your [global] config for Samba, please. If it's just the PUBLIC share, you might want to check that the owner of /pub has a valid UID and GID.
 
Old 01-04-2008, 09:04 PM   #9
rdnewman
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Well, the user has a another SAMBA share, /home/someuser/tie/, that is intended to act as their MyDocuments target in Windows. My general observation has been crashes on any attempt to access either. So, here's global:

Quote:
[global]
workgroup = workgroup
domain master = yes
local master = yes
preferred master = yes
os level = 65
netbios name = Momma
socket options = TCP_NODELAY IPTOS_LOWDELAY
hosts allow = 192.168.212.0/255.255.255.0 127.0.0.1
hosts deny = ALL
load printers = yes
printcap name = cups
printing = cups
cups options = "raw"
use client driver = no
log file = /var/log/samba/%m.log
max log size = 50
dns proxy = no
username map = /etc/samba/smbusers
null passwords = no
hide unreadable = yes
hide dot files = yes
I have played with the user's GID/UID settings to assure access without significant effect. The /pub directory has the following settings:

Quote:
$ ls -latZ /
...
drwxrwxrwx nobody nobody system_u: object_r:samba_share_t pub
...
One more note, even with this crash, the user can get intermittent access. Further, the user with UID/GID 500/500 has no apparent problem and so not cause such crashes, even accessing in the same way with Windows. Don't know if this is relevant, but it's part of what is challenging in diagnosing the issue.

Also,
Quote:
# smbd -V
Version 3.0.24-11.fc6
Richard
 
Old 01-06-2008, 04:20 PM   #10
ARC1450
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Just curious, why are you assigning /pub to "nobody"?

Have you tried it without the username map to make sure that works? Have you tried running testparm on your smb.conf file?

For some reason, I'm thinking "nobody" on Linux/UNIX is a special owner, much like root, but I could be wrong. :-\
 
Old 01-06-2008, 04:33 PM   #11
jschiwal
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Quote:
Originally Posted by rdnewman View Post
ARC1450, thank you so much for replying.

Below is the public part of the /etc/samba/smb.conf file:


Yes, /pub is shared under both NFS and Samba.

Regards,
Richard
I think you want the option:
Guest OK = Yes
in the settings for your [Public] share.
 
Old 01-06-2008, 04:58 PM   #12
rdnewman
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ARC1450: nobody is a named user, set up by default in Linux (at least in FC6). My intent is that the items in /pub are shared between all users. My intent is that files posted there "owned" by all users with access to this file server. At work, we use the same technique, but most of our users are on Linux workstations, so they're not having to go through Samba. It is my theory is that the Samba crash is preventing any access to the server, not just /pub, but maybe I'm wrong.

I'm not sure what running without the username map means. Can you point me in the right direction to learn more?

Here is the result from the testparm:

Quote:
# testparm /etc/samba/smb.conf
Load smb config files from /etc/samba/smb.conf
Processing section "[public]"
Processing section "[printers]"
Processing section "[print$]"
Processing section "[ri]"
Processing section "[jo]"
Processing section "[ex]"
Processing section "[bk]"
Processing section "[al]"
Processing section "[ja]"
Loaded services file OK.
Server role: ROLE_STANDALONE
Press enter to see a dump of your service definitions

[global]
username map = /etc/samba/smbusers
log file = /var/log/samba/%m.log
max log size = 50
socket options = TCP_NODELAY IPTOS_LOWDELAY
printcap name = cups
os level = 65
preferred master = Yes
domain master = Yes
dns proxy = No
hosts allow = 192.168.212.0/255.255.255.0, 127.0.0.1
hosts deny = ALL
cups options = "raw"
hide unreadable = Yes

[public]
comment = File Service
path = /pub
read only = No

<snip remaining smb.conf details>

Last edited by rdnewman; 01-13-2008 at 01:00 PM. Reason: Obscuring site specific details
 
Old 01-06-2008, 05:04 PM   #13
rdnewman
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jschiwal: Thank you for joining in.

I can do as you suggest at least as a diagnostic. I guess I was thinking it would add another layer to prevent non-named users to accessing my file server.

Still, wouldn't the fact that the UID=501 user has to supply a username, etc. indicate that Samba should accept them as logged in? Why would Samba crash? Further, the user's specific files not on public will require that their UID is set propertly to be accessible. Both sets of files are encountering these access difficulties not just the public files. I'm still confused by the failure of Samba to set UID/GID, described in my third post above of 12/24. I'm not the crash is the reason for the access problems, it just seems like the most overt symptom.

Richard
 
Old 01-13-2008, 01:02 PM   #14
rdnewman
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I was out of town for a few days traveling. Are there any ideas you have on my question regarding UID/GIDs?

Thanks,
Richard
 
Old 01-13-2008, 01:38 PM   #15
ARC1450
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Sorry, when I meant "nobody" was a special user, it's much like "root", except in reverse. As in, "nobody" generally has very little, if no, access to the system. For example, if you set up a TFTP server on Linux, the default owner/creator of the files is "nobody" so that no one can access the files. I could be wrong, though. The way I have Samba set up is that each named user owns their own directory, but root owns the top level directory of the share.

ANYWAY. . .have you checked your /etc/group, /etc/shadow, or /etc/passwd to find out who has the UID/GID that's causing all the problems? At least on Gentoo (dunno about Fedora), but any user created generally starts at 1000+ for the UID, and everything under that is generally for the system.

[edit]And by username map I meant this: username map = /etc/samba/smbusers

Last edited by ARC1450; 01-13-2008 at 01:40 PM.
 
  


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