We have a server Fujitsu-siemens with 4GB memory and double XEON porcessor.
we upgrated from Netware 5.1 SP8 to Netware 6.5 SP3 and after to SP4a,
we have a lot of abends with reboot

Theri is here a portion og abend.log

Thank's for any help

************************************************** *******
Novell Open Enterprise Server, NetWare 6.5
PVER: 6.50.03

Server XL5 halted Monday, 7 November 2005 8:55:43,322
Abend 2 on P00: Server-5.70.03-8763: Timer node passed to timer call back
with signature but not on the list.

************************************************** *******
Novell Open Enterprise Server, NetWare 6.5
PVER: 6.50.04

Server XL5 halted Monday, 7 November 2005 18:44:44,198
Abend 1 on P02: Server-5.70.04-4085: Cache buffer being removed from drive
index not found in disk cache.
************************************************** ***********

Novell Open Enterprise Server, NetWare 6.5
PVER: 6.50.04

Server XL5 halted Tuesday, 8 November 2005 10:46:16,466
Abend 1 on P00: Server-5.70.04: Page Fault Processor Exception (Error code
00000000)