Re: HELP Shared memory corruption problems
Posted in 1997
Please note that the the version of Informix DS is 7.20.UC3
The machine has 1 Gig of memory...
THe onconfig looks like:
-----------------------
# Shared Memory Parameters
LOCKS 50000 # Maximum number of locks
BUFFERS 25000 # Maximum number of shared buffers
NUMAIOVPS 3 # Number of IO vps
PHYSBUFF 32 # Physical log buffer size (Kbytes)
LOGBUFF 32 # Logical log buffer size (Kbytes)LOGSMAX 100 # Maximum number of logical log files
CLEANERS 2 # Number of buffer cleaner processes
SHMBASE 0xa000000 # Shared memory base address
SHMVIRTSIZE 128000 # initial virtual shared memory segment size
SHMADD 8192 # Size of new shared memory segments (Kbytes)
SHMTOTAL 0 # Total shared memory (Kbytes). 0=>unlimited
CKPTINTVL 300 # Check point interval (in sec)
LRUS 4 # Number of LRU queues
LRU_MAX_DIRTY 2 # LRU percent dirty begin cleaning limit
LRU_MIN_DIRTY 1 # LRU percent dirty end cleaning limit
LTXHWM 50 # Long transaction high water mark percentage
LTXEHWM 60 # Long transaction high water mark (exclusive)
TXTIMEOUT 0x12c # Transaction timeout (in sec)
LTXEHWM 60 # Long transaction high water mark (exclusive)
TXTIMEOUT 0x12c # Transaction timeout (in sec)
STACKSIZE 32 # Stack size (Kbytes)
-----------------------
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
On Sat, 7 Jun 1997, David Williams wrote:
> In article <33988875.106D@aptnet.com>, peggy <ptsui@aptnet.com> writes
> >HELP:
> >
> >Machine specifications:
> >SUN 3000, Solaris 2.5.1 Generic_103640-08 sun4u sparc
> >SUNW,Ultra-Enterprise
> >
> >
> >12:45:50 Checkpoint Completed: duration was 0 seconds.
> >12:50:50 Checkpoint Completed: duration was 0 seconds.
> >13:06:34 Assert Failed: Memory block header corruption detected in
> >add_to_list> >1
> >13:06:34 Who: Session(291, dbuser@frc, 27960, 0)
> > Thread(3671, sqlexec, 0, 1)
> >13:06:34 Results: Pool repaired
> >13:06:34 Action: Please notify Informix Technical Support.
> >13:06:34 See Also: /tmp/af.e57439a, shmem.e57439a.0
> >13:20:53 Checkpoint Completed: duration was 0 seconds.> >
>
> This is either a bug or a hardware problem - contact Informix Tech
> Support for an UPgrade to Online 7.2x..
>
> --
> David Williams
>