I have another application that consumes all of the huge pages; they aren't
for pgsql. :) I've modified the configuration file from "try" to "off" and
munmap is no more. Mischief managed.
Thanks for your help.
On Tue, Oct 11, 2016 at 6:15 PM, Tom Lane wrote:
> Chris Richards writes:
> > Oh th
Chris Richards writes:
> Oh the email spam :P
No problem. I'm starting to think that this isn't actually a Postgres
bug, but rather something funny with your kernel. The code in sysv_shmem
is certainly as fragile as can be, but I'm darned if I can find an
existing code path that would actually
Oh the email spam :P
I did another reboot test to validate the error. It does exist; it does not
spam munmap error like it did with the aptitude install.
I then marked the log file, shutdown (1 munmap during), marked it again and
then started it (1 munmap during).
MARK PRE-SHUTDOWN
2016-10-11 20
One extra bit, if this helps:
chrisr@ff1:~$ cat /proc/meminfo
MemTotal:8163104 kB
MemFree: 2183692 kB
MemAvailable:3648680 kB
Buffers: 170080 kB
Cached: 1231708 kB
SwapCached:0 kB
Active: 1083596 kB
Inactive: 442312 kB
Active(anon)
What more would you like--I'm happy to oblige? The upgrade steps I listed
installed into a new directory, new conf file. I didn't even migrate my
(skeletal) 9.3 database. Here's the 9.5 command-line. I've attached the
referenced config file.
$ chrisr@ff1:~$ ps ax | grep bin/post
10 ?S
Andres Freund writes:
> On 2016-10-10 18:21:48 -0400, Tom Lane wrote:
>> Chris Richards writes:
>>> LOG: munmap(0x7fff8000) failed: Invalid argument
>> [ digs in code... ] One theory is that PGSharedMemoryDetach is getting
>> called more than once, but I'm not sure how that would happen.
On 2016-10-10 18:21:48 -0400, Tom Lane wrote:
> Chris Richards writes:
> > Setting up postgresql-9.5 (9.5.4-1.pgdg14.04+2) ...
> > Creating new cluster 9.5/main ...
> > config /etc/postgresql/9.5/main
> > data /var/lib/postgresql/9.5/main
> > locale en_US.UTF-8
> > LOG: munmap(0x7fff8
Chris Richards writes:
> Setting up postgresql-9.5 (9.5.4-1.pgdg14.04+2) ...
> Creating new cluster 9.5/main ...
> config /etc/postgresql/9.5/main
> data /var/lib/postgresql/9.5/main
> locale en_US.UTF-8
> LOG: munmap(0x7fff8000) failed: Invalid argument
> [... snip 14 or so repeats .
Howdy.
I have an Ubuntu 14.04 LTS, configured with huge pages (4x1GB, disabled
transparent) and a later kernel than what ships with 14.04.
root@ff2:~# uname -a
Linux ff2 3.16.7-ckt11-061515+ #1 SMP Mon Jun 15 18:47:13 CDT 2015 x86_64
x86_64 x86_64 GNU/Linux
It had postgresql-9.3 on it and I inst
