Posts: 53 Location: nr Heathrow, Middlesex, UK Joined: 18.03.10
Posted on March 18 2010 22:05
Don't forget when moving container files between emulators, that Tru64 UNIX V4 and V5 use different formats for AdvFs domains. An AdvFs domain created under V5.X as type '4' can't be read under V4.0x which only understands type '3' domains. If you are unsure of which AdVfs domain type you have, showfdmn(8) will tell you.
If you need 'small' legacy disks less than 1G in capacity, such as the RZ24, RZ24L, RZ25, RZ25M or RZ35, you'll need to create the containers manually and disklabel them appropriately.
For example, to create an RZ24 sized container: From within Unix create a file exactly 209813504 bytes long (that is 409792 * 512 byte sectors, ~204Mb), then export (copy/ftp) it to the host where the emulator runs. Configure the emulator to see your 'RZ24' as one of its containers, start the emulator and boot Tru64, then find the disk (scu or hwmgr), and disklabel it as an RZ24 something like this :
halted CPU 0
halt code = 7
machine check while in PAL mode
PC = ede0
If the SRM environment variable AUTO_ACTION is defined as RESTART, a MCHECKPAL crash will be written and the system will try to reboot.
This happens when the special SYS$IDLE.EXE execlet is being loaded by SYSINIT. It seems to issue the WTINT PAL code instruction, which seems to not be supported by FreeAXP.
The easiest way to prevent SYS$IDLE from being loaded is by clearing bit 0 (SGN$V_LOAD_SYS_IMAGES) in the SYSGEN parameter LOAD_SYS_IMAGES during a conversational boot:
>>> B -fl 0,1 DKA0
SYSBOOT> SHOW LOAD_SYS_IMAGES ! default is 7
SYSBOOT> SET . 6
This allows the IDLE tool to be easily turned off and on, if you switch the system disk between PersonalAlpha/CHARON and FreeAXP. Note that clearing bit 0 of LOAD_SYS_IMAGES may also disable other alternate execlets specified in VMS$SYSTEM_IMAGES.DATA from being loaded.
If you want to permanently switch to using FreeAXP, you could also completely remove the IDLE tool using: PRODUCT REMOVE IDLE. For additional information, please see SYS$HELP:IDLE*.RELEASE_NOTES
I have just completed my first install of FreeAXP (Beta 271) on a new Core i3 laptop. The laptop is running Win 7 Home premium 64 bit. This is the first emulator installation I have performed on this machine.
Up until now, I have been using PersonalAlpha from Stromasys and have installed PersonalAlpha on several Windows computers under XP, Vista 32 and Win7 32 bit versions.
Not wishing to perform a fresh OpenVMS installation and configuration from scratch for my FreeAXP evaluation, I had used a copy of my existing PersonalAlpha 4gb disk container file (dka0.vdisk). The FreeAXP installation was problem free and I was subsequently able to boot OpenVMS using this container file. I was also able to login using the console and used TCPIP$CONFIG.COM to recognise EWA0 as the NIC device. This allowed me to telnet into the system from another Windows computer on my home network. So far so good..... until I ran into an application I/O related failure.
I have now moved further details on this problem to another thread entitled "%BAS-F-IO_CHANOT problem after moving from PersonalAlpha to FreeAXP"
Edited by johncookson on May 06 2010 02:21
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malmberg March 24 2018 Probably. More people hang out on the comp.os.vms newsgroup.
vaxpert March 23 2018 I have a PE42A and other Alpha system stuff for sale. I'm in So California. Any interest out there?
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DoeveR August 07 2017 Where can I find the write up on running VMS 6.1 using the simh emulator?
Bart March 20 2017 Happy to have found my password again!