I've never used "list nextvol" before, but I tried it
after seeing Tilman's report, and sure enough, it kills my
Director too. I'm running bacula 2.2.8 on Scientific Linux 4.5
(essentially recompiled Red Hat 4.5), with the catalog in a
PostgreSQL 8.2.6 server the same machine (an old Dell
PowerEdge 1500SC) where the Director and the Storage Daemon run.
To provide more details. I type 'list nextvol' at bconsole's
prompt, and it shows me a list of job numbers to choose from. I
pick one at random, and bconsole immediately exits, returning me
to my shell prompt.
*list nextvol
Automatically selected Catalog: MainCatalog
Using Catalog "MainCatalog"
The defined Job resources are:
1: Test Job
2: Ad Hoc with Generic defaults
3: BackupCatalog
.
.
.
47: walecki
48: wiglaf
49: zeus2
Select Job resource (1-49): 27
502 backup $
ps confirms that the director process has disappeared. I restart
it, and when I reconnect with bconsole, the first messages I
receive inform me of the director's exit:
*messages
01-Mar 16:41 backup-dir: Fatal Error at sql_get.c:580 because:
rwl_writelock failure. stat=22: ERR=Invalid argument
01-Mar 16:41 backup-dir: Fatal Error because:
Bacula interrupted by signal 11: Segmentation violation
My bacula account was also emailed an unsuccessful stack trace attempt:
Using host libthread_db library "/lib/tls/libthread_db.so.1".
ptrace: Operation not permitted.
/backup/working/16588: No such file or directory.
$1 = '\0' <repeats 29 times>
$2 = 0x0
$3 = 0x0
$4 = 0x0
$5 = 0x80cbc98 "2.2.8 (26 January 2008)"
$6 = 0x80b295e "i686-pc-linux-gnu"
$7 = 0x80b2957 "redhat"
$8 = 0x80b2953 "4.5"
No stack.
/usr/local/bacula/sbin/btraceback.gdb:11: Error in sourced command file:
No stack.
>From experiments attaching gdb to bacula-dir by hand, I speculate
that the "ptrace: Operation not permitted." is a byproduct of
using "bacula-dir -u bacula" to switch the director to a non-root
user; i.e. when bacula's signal handler, running as bacula,
attempts to attach gdb to the bacula-dir process, it fails
because the process was originally started by root. In any
event, as root, I can successfully attach to bacula-dir before
provoking the error, in which case I get the following stack
trace:
0x009277a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
(gdb)
(gdb) continue
Continuing.
[New Thread -1229907040 (LWP 17888)]
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1229907040 (LWP 17888)]
sm_sizeof_pool_memory (fname=0x80cbcb8 "message.c", lineno=1273, obuf=0x7265
<Address 0x7265 out of bounds>) at mem_pool.c:165
165 mem_pool.c: No such file or directory.
in mem_pool.c
Current language: auto; currently c++
(gdb) where
#0 sm_sizeof_pool_memory (fname=0x80cbcb8 "message.c", lineno=1273,
obuf=0x7265 <Address 0x7265 out of bounds>) at mem_pool.c:165
#1 0x0809fea9 in Mmsg ([EMAIL PROTECTED],
fmt=0x80c5bf4 "SELECT
PoolId,Name,NumVols,MaxVols,UseOnce,UseCatalog,AcceptAnyVolume,AutoPrune,Recycle,VolRetention,VolUseDuration,MaxVolJobs,MaxVolFiles,MaxVolBytes,PoolType,LabelType,LabelFormat,RecyclePoolId
FROM"...) at message.c:1273
#2 0x08089f04 in db_get_pool_record (jcr=0x98ed630, mdb=0x98ee958,
pdbr=0xb6b10600) at sql_get.c:588
#3 0x08072037 in do_list_cmd (ua=0x98ee608, cmd=Variable "cmd" is not
available.
) at ua_output.c:482
#4 0x08069356 in do_a_command (ua=0x98ee608, cmd=0x98ea500 "27") at
ua_cmds.c:180
#5 0x0807ce2b in handle_UA_client_request (arg=0x98eb7e8) at ua_server.c:147
#6 0x080aebb4 in workq_server (arg=0x80d4d40) at workq.c:357
#7 0x00ab13cc in start_thread () from /lib/tls/libpthread.so.0
#8 0x00a09c3e in clone () from /lib/tls/libc.so.6
(gdb) quit
I added "-d 200 -v -f" to the bacula-dir process to see if extra tracing
provided more clues:
.
.
.
backup-dir: ua_cmds.c:1836-0 UA Open database
backup-dir: postgresql.c:103-0 db_open first time
backup-dir: postgresql.c:194-0 pg_real_connect done
backup-dir: postgresql.c:196-0 db_user=bacula db_name=bacula
db_password=<WHATEVER>
backup-dir: ua_cmds.c:1854-0 DB bacula opened
backup-dir: ua_output.c:259-0 list: list nextvol
backup-dir: ua_output.c:589-0 now=1204412320 runtime=1204354500
backup-dir: ua_output.c:589-0 now=1204412320 runtime=1204440900
backup-dir: ua_output.c:591-0 Found it level=73 I
backup-dir: job.c:1127-0 wstorage=ML6000
backup-dir: job.c:1136-0 wstore=ML6000 where=Pool resource
backup-dir: ua_output.c:617-0 complete_jcr close db
backup-dir: ua_output.c:622-0 complete_jcr open db
backup-dir: postgresql.c:103-0 db_open first time
backup-dir: postgresql.c:194-0 pg_real_connect done
backup-dir: postgresql.c:196-0 db_user=bacula db_name=bacula
db_password=<WHATEVER>
Kaboom! bacula-dir, backup-dir got signal 11 - Segmentation violation.
Attempting traceback.
Kaboom! exepath=/usr/local/bacula/sbin/
Calling: /usr/local/bacula/sbin/btraceback /usr/local/bacula/sbin/bacula-dir
17874
backup-dir: scheduler.c:273-0 enter find_runs()
backup-dir: scheduler.c:288-0 now = 47c9dfe0: h=16 m=2 md=0 wd=6 wom=0 woy=9
backup-dir: scheduler.c:306-0 nh = 47c9edf0: h=17 m=2 md=0 wd=6 wom=0 woy=9
backup-dir: scheduler.c:315-0 Got job: Test Job
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: Ad Hoc with Generic defaults
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: BackupCatalog
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: abla
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: agnesi
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: alvis
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: antar
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: araneida
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: aufbau
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: backup
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: bayes
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: beowulf
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: cadmium
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: capella
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: castor
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: cerebus
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: dickens
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: free
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: grendel
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: gridiron
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: hercules
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: hilbert
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: jordan
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: juno
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: jupiter
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: leto
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: mercury
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: mercury2
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: merlin
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: mesmer
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: mobius
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: open
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: perron
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: ramanujan
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: riccati
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: schur
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: ssd1
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: ssd2
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: sun
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: tdi
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: venus
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: vonneumann
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: walecki
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: wiglaf
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:315-0 Got job: zeus2
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:358-0 [EMAIL PROTECTED]: run_now=0 run_nh=0
backup-dir: scheduler.c:377-0 Leave find_runs()
Traceback complete, attempting cleanup ...
The postgres server's log doesn't provide any clues that I
recognize:
Mar 1 16:57:33 backup postgres[17877]: [1-1] LOG: connection received:
host=[local]
Mar 1 16:57:33 backup postgres[17877]: [2-1] LOG: connection authorized:
user=bacula database=bacula
Mar 1 16:58:37 backup postgres[17889]: [1-1] LOG: connection received:
host=[local]
Mar 1 16:58:37 backup postgres[17889]: [2-1] LOG: connection authorized:
user=bacula database=bacula
Mar 1 16:58:40 backup postgres[17890]: [1-1] LOG: connection received:
host=[local]
Mar 1 16:58:40 backup postgres[17890]: [2-1] LOG: connection authorized:
user=bacula database=bacula
Mar 1 16:59:44 backup postgres[17890]: [3-1] LOG: unexpected EOF on client
connection
Since I haven't used "list nextvol", I'm quite content
simply eschewing the command, but I thought I'd send this "me
too" in case it helps track the problem down for people who do
need "list nextvol".
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