Yes, I should probably upgrade it to 13.4. I'm slow to upgrade my jails
when they are functioning well and they are single-task with no
outward-facing components (i.e., the Bacula jail is only for running
Bacula).

I should have mentioned in my original email that the library is still
there. It was installed via pkg.
Running the same commands you did:
# locate llvmjit.so
/usr/local/lib/postgresql/llvmjit.so
# pkg which /usr/local/lib/postgresql/llvmjit.so
/usr/local/lib/postgresql/llvmjit.so was installed by package
postgresql15-server-15.7

Neither llvmjit.so nor libLLVM-15.so show any modification since July 9
(when they were installed).

Thanks.


On Tue, Nov 12, 2024 at 5:08 PM Dan Langille <d...@langille.org> wrote:

>
> On Tue, Nov 12, 2024, at 4:13 PM, B. Smith wrote:
>
> Hi,
>
> I'm running Bacula in a FreeBSD 13.2 jail under TrueNAS Core. This weekend
> all my backups proceeded fine, but I noticed that a backup that should have
> been suspended started up, so I stopped the job.  A few other incremental
> jobs ran without incident, but then I got an error in a job after those:
>
>
> side note, time to get that jail update to fix known vulns.
>
>
> Fatal error: backup.c:343 [DE0028] Query failed: DECLARE _bac_cursor
> CURSOR FOR SELECT Path, Filename, FileIndex, JobId, LStat, DeltaSeq, MD5,
> JobTDate FROM ((SELECT Path.Path, T1.Filename, T1.FileIndex, T1.JobId,
> LStat, DeltaSeq, MD5, JobTDate FROM ( SELECT DISTINCT ON (Filename, PathId)
> JobTDate, JobId, FileId, FileIndex, PathId, Filename, LStat, MD5, DeltaSeq
> FROM (SELECT FileId, JobId, PathId, Filename, FileIndex, LStat, MD5,
> DeltaSeq FROM File WHERE JobId IN
> (1561,1633,1642,1750,1759,2001,2010,2019,2028,2037,2046,2055,2064,2073,2082,2091,2100,2109,2118,2127,2136,2145,2182,2191,2200,2209,2218,2227,2236,2245,2254,2263,2272,2281,2340,2471,2517,2755)
> UNION ALL SELECT File.FileId, File.JobId, PathId, Filename, File.FileIndex,
> LStat, MD5, DeltaSeq FROM BaseFiles JOIN File USING (FileId) WHERE
> BaseFiles.JobId IN
> (1561,1633,1642,1750,1759,2001,2010,2019,2028,2037,2046,2055,2064,2073,2082,2091,2100,2109,2118,2127,2136,2145,2182,2191,2200,2209,2218,2227,2236,2245,2254,2263,2272,2281,2340,2471,2517,2755)
> ) AS T JOIN Job USING (JobId) ORDER BY Filename, PathId, JobTDate DESC  )
> AS T1 JOIN Path ON (Path.PathId = T1.PathId) WHERE FileIndex > 0 )  ) AS U1
> ORDER BY JobTDate, FileIndex ASC: ERR=ERROR:  could not load library
> "/usr/local/lib/postgresql/llvmjit.so":
> /usr/local/llvm15/lib/libLLVM-15.so: Undefined symbol
> "_ZNSt3__122__libcpp_verbose_abortEPKcz"
>
> I shutdown Bacula, restarted the jail, and still had the same issue. I did
> not initiate any updates or changes to the system between the working and
> non-working jobs, and no real job (other than BackupCatalog) would run
> without the error. Before restoring my database from backup, I used
> postgres to turn off JIT:
>
> alter system set jit=off;
>
>
>  JIT is not familiar.  Reading
> https://www.freshports.org/databases/postgresql16-server it is
>
> LLVM=on: Build with support for JIT-compiling expressions
>
> Looking on my PostgreSQL 16 server, I find:
>
> [22:01 pg03 dvl ~] % locate llvmjit.so
> /usr/local/lib/postgresql/llvmjit.so
> [22:05 pg03 dvl ~] % pkg which /usr/local/lib/postgresql/llvmjit.so
> /usr/local/lib/postgresql/llvmjit.so was installed by package
> postgresql16-server-16.4
>
> It sounds like something deleted the file from your system and that's how
> it became upset.
>
> How was PostgreSQL installed there?
>
> ALTER SYSTEM
>
>
> Doing this immediately fixed the problem. But I am mystified as to how it
> suddenly became a problem in the first place. Any suggestions as to why
> this suddenly popped up, and whether JIT is even important for Bacula
> performance?
>
>
> I can't help you there.
>
> --
>   Dan Langille
>   d...@langille.org
>
>
>
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