Re: heartbeat package in extras trouble with 5.4

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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@xxxxxxxxxx [mailto:centos-bounces@xxxxxxxxxx] On
Behalf Of Dominik Zyla
Sent: Wednesday, May 05, 2010 8:10 AM
To: centos@xxxxxxxxxx
Subject: Re:  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

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