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IDProjectCategoryView StatusLast Update
0005725CentOS-6sambapublic2012-05-12 19:42
Reportergooofy 
PriorityhighSeveritycrashReproducibilitysometimes
Status newResolutionopen 
Product Version6.2 
Target VersionFixed in Version 
Summary0005725: Frequent samba panics under high load on file server
DescriptionSince the machines was upgraded from CentOS 5 to 6, we see freequent crashes in /var/log/messages like this one (most seem ldap/uid-map related, but not all)


May 11 18:12:54 vrfs001 smbd[11676]: [2012/05/11 18:12:54.016847, 0] lib/fault.c:46(fault_report)
May 11 18:12:54 vrfs001 smbd[11676]: ===============================================================
May 11 18:12:54 vrfs001 smbd[11676]: [2012/05/11 18:12:54.017002, 0] lib/fault.c:47(fault_report)
May 11 18:12:54 vrfs001 smbd[11676]: INTERNAL ERROR: Signal 11 in pid 11676 (3.5.10-116.el6_2.slrdbg2)
May 11 18:12:54 vrfs001 smbd[11676]: Please read the Trouble-Shooting section of the Samba3-HOWTO
May 11 18:12:54 vrfs001 smbd[11676]: [2012/05/11 18:12:54.017033, 0] lib/fault.c:49(fault_report)
May 11 18:12:54 vrfs001 smbd[11676]:
May 11 18:12:54 vrfs001 smbd[11676]: From: http://www.samba.org/samba/docs/Samba3-HOWTO.pdf
May 11 18:12:54 vrfs001 smbd[11676]: [2012/05/11 18:12:54.017058, 0] lib/fault.c:50(fault_report)
May 11 18:12:54 vrfs001 smbd[11676]: ===============================================================
May 11 18:12:54 vrfs001 smbd[11676]: [2012/05/11 18:12:54.017097, 0] lib/util.c:1490(smb_panic)
May 11 18:12:54 vrfs001 smbd[11676]: PANIC (pid 11676): internal error
May 11 18:12:54 vrfs001 smbd[11676]: [2012/05/11 18:12:54.028319, 0] lib/util.c:1594(log_stack_trace)
May 11 18:12:54 vrfs001 smbd[11676]: BACKTRACE: 29 stack frames:
May 11 18:12:54 vrfs001 smbd[11676]: #0 smbd(log_stack_trace+0x1a) [0x7fae111cc8aa]
May 11 18:12:54 vrfs001 smbd[11676]: #1 smbd(smb_panic+0x1f) [0x7fae111cc96f]
May 11 18:12:54 vrfs001 smbd[11676]: #2 smbd(+0x36b26d) [0x7fae111bc26d]
May 11 18:12:54 vrfs001 smbd[11676]: #3 /lib64/libc.so.6(+0x32900) [0x7fae0e030900]
May 11 18:12:54 vrfs001 smbd[11676]: #4 /lib64/libnss_ldap.so.2(_nss_ldap_getpwuid_r+0x15d) [0x7fae03586a6d]
May 11 18:12:54 vrfs001 smbd[11676]: #5 /lib64/libc.so.6(getpwuid_r+0xdd) [0x7fae0e0a84ed]
May 11 18:12:54 vrfs001 smbd[11676]: #6 /lib64/libc.so.6(getpwuid+0x6f) [0x7fae0e0a7ddf]
May 11 18:12:54 vrfs001 smbd[11676]: #7 smbd(+0x31bd5d) [0x7fae1116cd5d]
May 11 18:12:54 vrfs001 smbd[11676]: #8 smbd(+0x32174f) [0x7fae1117274f]
May 11 18:12:54 vrfs001 smbd[11676]: #9 smbd(uid_to_sid+0x10b) [0x7fae1117291b]
May 11 18:12:54 vrfs001 smbd[11676]: #10 smbd(create_file_sids+0x1f) [0x7fae10facd0f]
May 11 18:12:54 vrfs001 smbd[11676]: #11 smbd(+0x164689) [0x7fae10fb5689]
May 11 18:12:54 vrfs001 smbd[11676]: #12 smbd(posix_get_nt_acl+0x10b) [0x7fae10fb63fb]
May 11 18:12:54 vrfs001 smbd[11676]: #13 smbd(+0x1872bd) [0x7fae10fd82bd]
May 11 18:12:54 vrfs001 smbd[11676]: #14 smbd(smb_vfs_call_get_nt_acl+0x2d) [0x7fae10fa7b9d]
May 11 18:12:54 vrfs001 smbd[11676]: #15 smbd(can_access_file_acl+0x6f) [0x7fae10fc7d1f]
May 11 18:12:54 vrfs001 smbd[11676]: #16 smbd(reply_ntcreate_and_X+0xf25) [0x7fae10f69a65]
May 11 18:12:54 vrfs001 smbd[11676]: #17 smbd(+0x1690f5) [0x7fae10fba0f5]
May 11 18:12:54 vrfs001 smbd[11676]: #18 smbd(+0x169497) [0x7fae10fba497]
May 11 18:12:54 vrfs001 smbd[11676]: #19 smbd(+0x169f25) [0x7fae10fbaf25]
May 11 18:12:54 vrfs001 smbd[11676]: #20 smbd(run_events+0x102) [0x7fae111dca92]
May 11 18:12:54 vrfs001 smbd[11676]: #21 smbd(smbd_process+0x7e2) [0x7fae10fb9622]
May 11 18:12:54 vrfs001 smbd[11676]: #22 smbd(+0x678fce) [0x7fae114c9fce]
May 11 18:12:54 vrfs001 smbd[11676]: #23 smbd(run_events+0x22b) [0x7fae111dcbbb]
May 11 18:12:54 vrfs001 smbd[11676]: #24 smbd(+0x38bee1) [0x7fae111dcee1]
May 11 18:12:54 vrfs001 smbd[11676]: #25 smbd(_tevent_loop_once+0x90) [0x7fae111dd2c0]
May 11 18:12:54 vrfs001 smbd[11676]: #26 smbd(main+0xb7b) [0x7fae114cad2b]
May 11 18:12:54 vrfs001 smbd[11676]: #27 /lib64/libc.so.6(__libc_start_main+0xfd) [0x7fae0e01ccdd]
May 11 18:12:54 vrfs001 smbd[11676]: #28 smbd(+0xea849) [0x7fae10f3b849]
May 11 18:12:54 vrfs001 smbd[11676]: [2012/05/11 18:12:54.028649, 0] lib/fault.c:326(dump_core)
May 11 18:12:54 vrfs001 smbd[11676]: dumping core in /var/log/samba/cores/smbd

another one:
May 11 18:05:03 vrfs001 smbd[16667]: [2012/05/11 18:05:03.754906, 0] lib/fault.c:46(fault_report)
May 11 18:05:03 vrfs001 smbd[16667]: ===============================================================
May 11 18:05:03 vrfs001 smbd[16667]: [2012/05/11 18:05:03.766992, 0] lib/fault.c:47(fault_report)
May 11 18:05:03 vrfs001 smbd[16667]: INTERNAL ERROR: Signal 11 in pid 16667 (3.5.10-116.el6_2.slrdbg2)
May 11 18:05:03 vrfs001 smbd[16667]: Please read the Trouble-Shooting section of the Samba3-HOWTO
May 11 18:05:03 vrfs001 smbd[16667]: [2012/05/11 18:05:03.767043, 0] lib/fault.c:49(fault_report)
May 11 18:05:03 vrfs001 smbd[16667]:
May 11 18:05:03 vrfs001 smbd[16667]: From: http://www.samba.org/samba/docs/Samba3-HOWTO.pdf
May 11 18:05:03 vrfs001 smbd[16667]: [2012/05/11 18:05:03.767083, 0] lib/fault.c:50(fault_report)
May 11 18:05:03 vrfs001 smbd[16667]: ===============================================================
May 11 18:05:03 vrfs001 smbd[16667]: [2012/05/11 18:05:03.767128, 0] lib/util.c:1490(smb_panic)
May 11 18:05:03 vrfs001 smbd[16667]: PANIC (pid 16667): internal error
May 11 18:05:03 vrfs001 smbd[16667]: [2012/05/11 18:05:03.770097, 0] lib/util.c:1594(log_stack_trace)
May 11 18:05:03 vrfs001 smbd[16667]: BACKTRACE: 19 stack frames:
May 11 18:05:03 vrfs001 smbd[16667]: #0 smbd(log_stack_trace+0x1a) [0x7fae111cc8aa]
May 11 18:05:03 vrfs001 smbd[16667]: #1 smbd(smb_panic+0x1f) [0x7fae111cc96f]
May 11 18:05:03 vrfs001 smbd[16667]: #2 smbd(+0x36b26d) [0x7fae111bc26d]
May 11 18:05:03 vrfs001 smbd[16667]: #3 /lib64/libc.so.6(+0x32900) [0x7fae0e030900]
May 11 18:05:03 vrfs001 smbd[16667]: #4 /usr/lib64/libcups.so.2(cupsLangGet+0x19f) [0x7fae0fc5eebf]
May 11 18:05:03 vrfs001 smbd[16667]: #5 smbd(cups_cache_reload+0x2aa) [0x7fae1119630a]
May 11 18:05:03 vrfs001 smbd[16667]: #6 smbd(pcap_cache_reload+0x11a) [0x7fae11192c8a]
May 11 18:05:03 vrfs001 smbd[16667]: #7 smbd(check_reload+0xef) [0x7fae10fb792f]
May 11 18:05:03 vrfs001 smbd[16667]: #8 smbd(+0x1669dd) [0x7fae10fb79dd]
May 11 18:05:03 vrfs001 smbd[16667]: #9 smbd(+0x1670c3) [0x7fae10fb80c3]
May 11 18:05:03 vrfs001 smbd[16667]: #10 smbd(run_events+0x102) [0x7fae111dca92]
May 11 18:05:03 vrfs001 smbd[16667]: #11 smbd(smbd_process+0x7e2) [0x7fae10fb9622]
May 11 18:05:03 vrfs001 smbd[16667]: #12 smbd(+0x678fce) [0x7fae114c9fce]
May 11 18:05:03 vrfs001 smbd[16667]: #13 smbd(run_events+0x22b) [0x7fae111dcbbb]
May 11 18:05:03 vrfs001 smbd[16667]: #14 smbd(+0x38bee1) [0x7fae111dcee1]
May 11 18:05:03 vrfs001 smbd[16667]: #15 smbd(_tevent_loop_once+0x90) [0x7fae111dd2c0]
May 11 18:05:03 vrfs001 smbd[16667]: #16 smbd(main+0xb7b) [0x7fae114cad2b]
May 11 18:05:03 vrfs001 smbd[16667]: #17 /lib64/libc.so.6(__libc_start_main+0xfd) [0x7fae0e01ccdd]
May 11 18:05:03 vrfs001 smbd[16667]: #18 smbd(+0xea849) [0x7fae10f3b849]
May 11 18:05:03 vrfs001 smbd[16667]: [2012/05/11 18:05:03.770377, 0] lib/fault.c:326(dump_core)
May 11 18:05:03 vrfs001 smbd[16667]: dumping core in /var/log/samba/cores/smbd



Steps To Reproducehigh load, samba PDC authenticating agains slapd.
TagsNo tags attached.

Activities

toracat

toracat

2012-05-12 18:20

manager   ~0015070

Help you can receive in this bug tracker may be limited for the issue like this. My suggestion for you is to ask on the samba mailing list. Samba developers are actively helping in there.

https://lists.samba.org/mailman/listinfo/samba
gooofy

gooofy

2012-05-12 18:59

reporter   ~0015071

already did :)

https://lists.samba.org/archive/samba/2012-May/167372.html

thanks,

   guenter
toracat

toracat

2012-05-12 19:42

manager   ~0015072

Ah, good. Please update this bug report with any progress. :)

Issue History

Date Modified Username Field Change
2012-05-12 10:22 gooofy New Issue
2012-05-12 18:20 toracat Note Added: 0015070
2012-05-12 18:59 gooofy Note Added: 0015071
2012-05-12 19:42 toracat Note Added: 0015072