Below is a snippet of a strace:
open("/usr/lib/pils/plugins/InterfaceMgr/generic.so", O_RDONLY) = 3
read(3,
"\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\300\6\0\0004\0\0\0"...,
512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=7636, ...}) = 0
mmap2(NULL, 10532, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0)
= 0x6ef000
mmap2(0x6f1000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1) = 0x6f1000
close(3) = 0
shmget(IPC_PRIVATE, 7816, 0600) = -1 EINVAL (Invalid argument)
time(NULL) = 1273067316
open("/etc/localtime", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=3543, ...}) = 0
fstat64(3, {st_mode=S_IFREG|0644, st_size=3543, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0xb7f4f000
read(3,
"TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\5\0\0\0\5\0\0\0\0"..., 4096)
= 3543
close(3) = 0
munmap(0xb7f4f000, 4096) = 0
write(2, "heartbeat[28218]: 2010/05/05_08:"..., 38) = 38
write(2, "ERROR: Cannot shmget for process"..., 58) = 58
It looks like it's trying to find an existing shared memory segment?
>From sysctl.conf:
# Controls the maximum size of a message, in bytes
kernel.msgmnb = 65536
# Controls the default maxmimum size of a mesage queue
kernel.msgmax = 65536
# Controls the maximum shared segment size, in bytes
kernel.shmmax = 68719476736
# Controls the maximum number of shared memory segments, in pages
kernel.shmall = 4294967296
$ ipcs
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
------ Semaphore Arrays --------
key semid owner perms nsems
0x00000000 2424832 root 600 1
0x00000000 2719745 root 600 1
0x00000000 2752514 root 600 1
0x00000000 2785283 root 600 1
0x00000000 2818052 root 600 1
0x00000000 2850821 root 600 1
0x00000000 2883590 root 600 1
0x00000000 2916359 root 600 1
0x00000000 3506184 root 600 1
0x01fe101f 3014665 root 600 1
0x00000000 3407882 root 666 1
0x00000000 3080203 root 600 1
0x00000000 3112972 root 600 1
0x00000000 3145741 root 600 1
0x00000000 3178510 root 600 1
0x00000000 3211279 root 600 1
0x00000000 3244048 root 600 1
0x00000000 3276817 root 600 1
0x00000000 3309586 root 600 1
0x00000000 3342355 root 600 1
0x00000000 3440660 root 600 1
0x00000000 3473429 root 600 1
------ Message Queues --------
key msqid owner perms used-bytes messages
I'm stuck!
Josh
-----Original Message-----
From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
Behalf Of Dominik Zyla
Sent: Wednesday, May 05, 2010 8:10 AM
To: centos at centos.org
Subject: Re: [CentOS] heartbeat package in extras trouble with 5.4
On Wed, May 05, 2010 at 07:59:16AM -0500, Baird, Josh wrote:
> SELINUX is disabled, and I have also tried reinstalling the heartbeat
> related packages. No luck so far.
>
> heartbeat[8818]: 2010/05/04_22:23:37 ERROR: Cannot shmget for process
> status: Invalid argument
>
> This seems to be the issue. Any other ideas?
Try to strace heartbeat process and check errno from shmget() and
compare it against shmget(2) `ERRORS' section. Maybe you need to set
some sysctls.
--
Dominik Zyla