We have successfully migrated our GW 8.01 to Linux 10.3 we reconfigured and install the GWIA and WebAcc last Thursday night. Since then the POA has shut down each night at around 1:45 AM.
I've checked the following:
no maintenance routines going (turned them off)
no anti-virus scans
Avamar backs up at 9:00 PM
Only the POA goes down, GWIA, MTA and WebACC still up:
copied log from message log file with the following errors:
Novell gave me a suggestion to rename primary mail folders, did that already
places --nodca at the end of my startup file have an SR open

For the last two nights at 1:47 AM the POA shuts down,
I pulled these from the log last night;
Feb 19 01:42:57 gw kernel: gwpoa[15912]: segfault at 0000000000000004 rip 00000000f650b364 rsp 00000000ed8de1d4 error 4
Feb 19 01:42:57 gw kernel: gwpoa[15913]: segfault at 0000000000000004 rip 00000000f650b364 rsp 00000000ed85d1b4 error 4
Feb 19 01:43:07 gw kernel: gwdca[11842]: segfault at 0000000000000060 rip 000000000804a909 rsp 00000000ff847f00 error 6

Thanks
Larry