On 15 Aug 2010, at 7:32, Tom Lane wrote:
> =?ISO-8859-15?Q?Torsten_Z=FChlsdorff?= <foo@meisterderspiele.de> writes:
>> Core was generated by `postgres'.
>> Program terminated with signal 12, Bad system call.
>> Reading symbols from /lib/libm.so.5...done.
>> Loaded symbols for /lib/libm.so.5
>> Reading symbols from /lib/libc.so.7...done.
>> Loaded symbols for /lib/libc.so.7
>> Reading symbols from /libexec/ld-elf.so.1...done.
>> Loaded symbols for /libexec/ld-elf.so.1
>> #0 0x0000000800bb166c in shmctl () from /lib/libc.so.7
>> (gdb) bt
>> #0 0x0000000800bb166c in shmctl () from /lib/libc.so.7
>> #1 0x00000000005b158f in PGSharedMemoryIsInUse (id1=Variable "id1" is
>> not available.
>> ) at pg_shmem.c:247
>> #2 0x00000000006a0844 in CreateLockFile (filename=0x7ea036
>> "postmaster.pid", amPostmaster=0 '\0', isDDLock=1 '\001',
>> refName=0x800e0b180 "/usr/local/pgsql/data") at miscinit.c:835
>> #3 0x000000000049baf0 in AuxiliaryProcessMain (argc=3,
>> argv=0x7fffffffebc8) at bootstrap.c:350
>> #4 0x000000000056742e in main (argc=4, argv=0x7fffffffebc0) at main.c:180
>
> Well, this seems to be clear proof for what everyone suspected all
> along: your kernel is rejecting SysV-shared-memory calls. I'm too tired
> to go check that that shmctl() is the first such syscall during the boot
> sequence, but it looks about right.
>
> So we're now back to the question of *why* it's rejecting those calls,
> when you apparently have the proper support configured. I'm afraid
> you now need to seek the assistance of some FreeBSD kernel experts;
> it's beyond the ken of a simple database hacker ...
Hmm... shared memory in a jail, there used to be some issues with that and I don't think they have been (or are going
tobe) solved.
I recall that shared memory can't be local to a jail (it's "shared" after all), so you probably need(ed) to allow
accessto it somehow for your jails.
Or you're running into issues sharing the same shared memory across multiple jails (and the base system) maybe?
Alban Hertroys
--
Screwing up is an excellent way to attach something to the ceiling.
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