I have Cisco ASA 5510 and every week i have "memory allocation error" and all active connections on Cisco is disabled. The problem is solved by rebooting ASA, but at the next week error again.
> show ver
Cisco Adaptive Security Appliance Software Version 8.0(3)
Device Manager Version 6.0(3)
Compiled on Tue 06-Nov-07 22:59 by builders
System image file is "disk0:/asa803-k8.bin"
Config file at boot was "disk0:/conf"
msk-fw up 21 hours 55 mins
Hardware: ASA5510, 256 MB RAM, CPU Pentium 4 Celeron 1600 MHz
Internal ATA Compact Flash, 256MB
BIOS Flash M50FW080 @ 0xffe00000, 1024KB
I can provide more information, if needed.
I really hope for help.