search for: tdb_expand

...these entries in my logs. Is this something which needs action? If not, I'll start ignoring them. Nov 11 19:00:45 tm samba-dcerpcd[7373]: [2024/11/11 19:00:45.852391, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log) Nov 11 19:00:45 tm samba-dcerpcd[7373]: tdb(/var/db/samba4/gencache.tdb): tdb_expand overflow detected current map_size[4294967295] size[128]! Nov 11 19:00:45 tm samba-dcerpcd[7373]: [2024/11/11 19:00:45.853054, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log) Nov 11 19:00:45 tm samba-dcerpcd[7373]: tdb(/var/db/samba4/gencache.tdb): tdb_expand overflow detected current map_size...

...s something which needs > action? If not, I'll start ignoring them. > > Nov 11 19:00:45 tm samba-dcerpcd[7373]: [2024/11/11 19:00:45.852391, > 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log) > Nov 11 19:00:45 tm samba-dcerpcd[7373]: > tdb(/var/db/samba4/gencache.tdb): tdb_expand overflow detected current > map_size[4294967295] size[128]! > Nov 11 19:00:45 tm samba-dcerpcd[7373]: [2024/11/11 19:00:45.853054, > 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log) > Nov 11 19:00:45 tm samba-dcerpcd[7373]: > tdb(/var/db/samba4/gencache.tdb): tdb_expand overfl...

...following is just one of the 343,930 log entries over a one hour period (about 95 messages per second). > > Nov 18 12:00:00 tm smbd[70983]: [2024/11/18 12:00:00.027823, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log) > Nov 18 12:00:00 tm smbd[70983]: tdb(/var/db/samba4/gencache.tdb): tdb_expand overflow detected current map_size[4294967295] size[128]! Is the file system size of /var/db/samba4/gencache.tdb also 4294967295? I think something outside of tdb must be causing this to go haywire. What are the last messages before this starts happening? Douglas

...just one of the 343,930 log entries over a one hour period (about 95 messages per second). >> >> Nov 18 12:00:00 tm smbd[70983]: [2024/11/18 12:00:00.027823, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log) >> Nov 18 12:00:00 tm smbd[70983]: tdb(/var/db/samba4/gencache.tdb): tdb_expand overflow detected current map_size[4294967295] size[128]! > > Is the file system size of /var/db/samba4/gencache.tdb also 4294967295? The latest message is: Nov 19 22:45:31 tm smbd[9742]: [2024/11/19 22:45:31.622727, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log) Nov 19 22:45:31 tm smbd...

....16.11 started. > Nov 19 22:52:55 tm smbd[35377]: Copyright Andrew Tridgell and the Samba Team 1992-2022 > Nov 19 22:52:56 tm smbd[35379]: [2024/11/19 22:52:56.132117, 0] ../../lib/tdb_wrap/tdb_wrap.c:65(tdb_wrap_log) > Nov 19 22:52:56 tm smbd[35379]: tdb(/var/db/samba4/gencache.tdb): tdb_expand overflow detected current map_size[4294967295] size[128]! cheers, Douglas

On Wed, Nov 20, 2024, at 6:31 PM, Douglas Bagnall wrote: > On 20/11/24 11:55, Dan Langille wrote: > >> Hope that helps. > > Not much unfortunately. > > Running this: > > net cache list > > will tell you what the cache thinks it contains. If it is filled with > real things, it could indicate where they're coming from. If it fails or > shows a cache

On 21/11/24 14:11, Dan Langille wrote: > On Wed, Nov 20, 2024, at 6:31 PM, Douglas Bagnall wrote: >> On 20/11/24 11:55, Dan Langille wrote: >> >>> Hope that helps. >> >> Not much unfortunately. >> >> Running this: >> >> net cache list >> >> will tell you what the cache thinks it contains. If it is filled with >> real

...[2015/10/16 10:25:30.892468, 0] ../source3/lib/util_tdb.c:313(tdb_log) tdb(<PATH OMMITTED>/gencache_notrans.tdb): tdb_rec_read bad magic 0xd9fee666 at offset=517632 [2015/10/16 10:25:37.827964, 0] ../source3/lib/util_tdb.c:313(tdb_log) tdb(<PATH OMMITTED>/gencache_notrans.tdb): tdb_expand overflow detected current map_size[4294967295] size[124]! """ These messages appear in *great* number, especially the message about "tdb_expand overflow detected." Interestingly, the size of the file it mentions is the exact size in bytes as the presumed array reference...

i've managed to catch the exploding connections database in the act. i was able to attach gdb to the smbd while it was going crazy: (gdb) bt #0 0xf55da in tdb_expand () #1 0xf5787 in tdb_allocate () #2 0xf6554 in tdb_store () #3 0x6534 in claim_connection () #4 0x406a2 in make_connection () #5 0x1e105 in reply_tcon_and_X () #6 0x3e256 in switch_message () #7 0x3e8c7 in chain_reply () #8 0x1ffc3 in reply_sesssetup_and_X () #9 0x3e256 in switch_message (...

Rowland, I commented out what you asked me to, no change. # Global parameters [global] workgroup = TRUEVINE realm = TRUEVINE.LAN netbios name = DC01 server role = active directory domain controller server services = s3fs, rpc, nbt, wrepl, ldap, cldap, kdc, drepl, winbi$ # idmap_ldb:use rfc2307 = yes # idmap config *:backend = tdb # idmap

...468, 0] ../source3/lib/util_tdb.c:313(tdb_log) > tdb(<PATH OMMITTED>/gencache_notrans.tdb): tdb_rec_read bad magic 0xd9fee666 at offset=517632 > > > [2015/10/16 10:25:37.827964, 0] ../source3/lib/util_tdb.c:313(tdb_log) > tdb(<PATH OMMITTED>/gencache_notrans.tdb): tdb_expand overflow detected current map_size[4294967295] size[124]! tdb_rec_read bad magic - this means a corrupted tdb database. Can you shutdown, remove these tdb's and restart ?

...92468, 0] ../source3/lib/util_tdb.c:313(tdb_log) > tdb(<PATH OMMITTED>/gencache_notrans.tdb): tdb_rec_read bad magic 0xd9fee666 at offset=517632 > > > [2015/10/16 10:25:37.827964, 0] ../source3/lib/util_tdb.c:313(tdb_log) > tdb(<PATH OMMITTED>/gencache_notrans.tdb): tdb_expand overflow detected current map_size[4294967295] size[124]! tdb_rec_read bad magic - this means a corrupted tdb database. Can you shutdown, remove these tdb's and restart ?