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Stromasys  Charon-VAX

Version: 78 - Published: 01 Jul  

Table of Contents

Table of Contents
excludeTable of Contents

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The Release Notes apply to Charon-VAX for Linux version 4.12, up to build 210-1213.

Products included in the Charon-VAX version 4.12 for Linux

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Problems fixed and other changes

Build 210-13

  • Fix VAX CPU Timer to avoid "Divide by 0" exceptions when booting VAX/VMS standalone backup images (ID#5839). Sample message in case the problem occurs:

    Code Block
    languagetext
    >>>b mua0
(BOOT/R5:0 MUA0)

2..
|?4F SCBINT, MUA0
|?06 HLT INST
| PC = 00000C1A
|Failure.
|>>>_


Build 210-12

  • None; Charon-AXP bug fixes only.

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  • Network booting is supported with exception of VAX6xxx models.
  • UETP reports errors on MU tape drive, if it runs on VAX-6310 (ID#1942).
  • CharonCP SET MAGTAPE utility does not support TQK50/TUK50 controllers (ID#5398).
  • MicroVAX II emulator may hang on booting MDM (ID#3382).
  • VAX emulator may fail to boot standalone backup from physical tape drive. It is recommended to convert physical tapes to .VTAPE files using MTD utility and perform boot standalone backup from virtual tape. (ID#1870).
  • Sometimes VAX 6310 does not boot guest OS. The workaround is to restart the emulator (ID#5384).
  • Sometimes OpenVMS 7.2 freezes on booting. The workaround is to restart the emulator (ID#5396).
  • A segmentation violation in module NCR53C94 may very rarely occur. If that happens, please provide Charon configuration and log files to Stromasys (ID#4633).
  • CMS commands may slow down due to a its internal design. STROMASYS provides (on request) a special OpenVMS utility to solve the problem (ID#4651).
  • Charon cannot correctly define the total number of available CPUs on multi CPU groups systems (NUMA architecture, etc) - it reports only a number of the CPUs found in its first group. This problem will be fixed in future releases.
    As a workaround, enable "Node interleaving" in the BIOS (if available) to make the BIOS report the total number of available CPUs (as a part of one consolidated NUMA group) to the operating system.
    For example, on HP Proliant servers, the configuration sequence is the following:
    - Boot the server, press F9 and enter BIOS setup.
    - Select "Advanced Options" -> "Advance Performance Tuning Options" -> "Node Interleaving", set it to "Enabled".
    - Boot Linux

  • If a network cable is disconnected, Charon-VAX might not detect that link is down (ID#4318).

  • Unexpected exception (SCB + 004) machine check may happen on a VAX 4000 Model 700/705 under certain rare conditions (ID#4242).
  • Charon-VAX does not emulate graphical adapter. Applications hard-coded to use graphical hardware as their own interfaces may not function correctly.
  • By default, the layout of the right part of the PC keyboard is not mapped to the layout of the VT100 keyboard. Use a special script created by Geoff Kingsmill ( http://www.decuslib.com/decus/freewarev50/decxterm/decxterm ). Run this script, then run Charon-VAX normally according to instructions in the Users's Guide. (ID#3030). See this article for more: Input issues with telnet.
  • Telnet to the Charon console is only supported in CHAR mode. LINE mode is not supported. To enable CHAR mode interactively, connect to Charon-AXP via telnet and press Ctrl-]. Then issue the command mode char to enable character mode. Alternatively, you can add the command to your .telnetrc file.

  • Network speed auto negotiation works with some restrictions (see the table below). It is always recommended to use full duplex mode on the hosting server.

    Host settings

    VAX/VMS (autodetect mode)

    1 Gbps full duplex

    10 Mbps full duplex

    100 Mbps full duplex

    10 Mbps full duplex

    100 Mbps half duplex

    10 Mbps half duplex

    10 Mbps full duplex

    10 Mbps full duplex

    10 Mbps half duplex

    10 Mbps half duplex


  • VMS 7.x Monitor utility shows the maximum CPU quantity instead of actually configured quantity.
  • A Telnet session from OpenVMS running on emulated host may freeze console output. The console output can hang when the virtual serial line sends XOFF/XON sequence. The TELNET client sends XOFF to the remote node's TELNET server to suspend output, but for unknown reason XON is discarded and remote node's TELNET server has no chance to resume output. The console remains "frozen". As the remote site is not sending any output to it. When that happens, the local node is reachable over network, and can be unlocked by typing the 'break' character - usually "Ctrl-]" and exiting telnet session by typing "exit" at "TELNET>" prompt.

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  • IEQ11 board is implemented on top of (couple of) NI PCI-GPIB interface cards (ID#4670).
  • Linux bonding adapters are supported (ID#4750).
  • Kernel version and System release are included to the log (ID#5393).
  • Log is flushed regularly and asynchronously to facilitate online LOG monitoring by third-party tools (ID#5532).
  • VMware Ethernet adapters: in addition to the E1000, E1000E and VMXNETx adapters are now fully supported.
  • Copyright notes are updated in all sample configuration files (ID#5399).
  • Licensing mechanism is improved (ID#5375, 5458, 5459).
  • Network License management processing changes (ID#4631).
  • hasp_srm_view output is improved (ID#5392).
  • "ncu" utility is improved (ID#5404).
  • "license_key_lookup_retry" functionality has been broken (so no retry was performed) (ID#5538).

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  • To address security issues new Sentinel LDK 7.6 is used for building this release; most up-to-date Sentinel run-time (v7.63) is included (ID#5211, ID#5227).
  • Network performance and stability has been significantly improved (ID#5111, ID#4987).
  • USB physical drive support is improved (ID#3323).
  • Virtual lines implementation is improved (ID#4983).
  • User part of Charon configuration (set by CFG file) is reflected in the log (ID#5156).
  • Some improvements of the messages in the log (ID#5356).
  • Minor update in Charon logs on Linux: kernel version and system release are added (ID#5393).
  • Hard-coded host system limits are replaced with limits encoded in the license's memory block (ID#3263).
  • Hard-coded upper limit on license check interval to 168 hours is increased (ID#5031, Case #00029470).
  • New configuration options "license_use_any_key" and "license_id" are implemented (ID#5289).
  • Should Charon lose access to its license, the product now offers a longer grace period and more frequent intermediate checks.
  • RPM script is improved for update process (ID#5139).
  • hasp_srm_view is improved (ID#5027, ID#5214, ID#5243, ID#5304, ID#5322).
  • TapeUtil (CharonCP) is improved (ID#3589).
  • NCU is improved (ID#5133, ID#4950).

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  • Fixed DEMNA implementation to prevent VAX 6000 Model 6x0 from hang while joining NI cluster on boot.
  • Very new SCSI tape drives may fail if they are addressed via "physical_scsi_device" instance (as it is recommended). In this case their support is provided via "virtual_scsi_tape" instance (ID #5488).
  • Fixed a problem leading to repeating "circuit down" situation immediately followed by STARTNET if DEMNA network interface is used (ID #5641).
  • Fixed a problem where the specification of "log_rotation_period = 0" ("never") did not work correctly (ID#5580, Support Case 00031938).
  • Fixed a problem with fast growing "Unrecognized frame destination" counter of DEMNA with customer application on VAX 6000 Model 610 (ID#5617).
  • Fixed a problem where negotiated line speed is reported incorrectly at DECnet startup (ID#5626).
  • Fixed a problem where sometimes PT.EXE (performance tool) may freeze (ID#5614).
  • Fixed a problem with CPUSPINWAIT bugcheck of VAX 6620 (ID#5551).
  • DEMNA logging mechanism is corrected (ID #5646).
  • Serial lines logging is corrected (ID #5647).

Problems fixed in version 4.10 build 202-03

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  • Fixed a problem where the "mtd" utility accepts a parameter w/o notification that this parameter is not allowed (ID#5300).
  • Fixed a problem where Virtual Machines Manager does not pick up changes in log file specification and configuration names if the VM name contains spaces (ID#5390, Case #00029909).
  • Fixed a problem with incorrect license information in the log file (ID#5287).
  • Fixed a problem where Charon may start with expired license (ID#5265).
  • Fixed a problem where "mkdskcmd" was not able to enlarge a disk image if its size is more than 4Gb (ID#5237).
  • Fixed a problem where OpenVMS periodically stalls for few seconds then recovers (ID#5060, Case #00029554).
  • Fixed a problem where host CPU (its number of threads) is reported incorrectly in the log file (ID#5004).
  • Fixed performance degradation caused by slowing down I/O thread by DIT one (ID#5162).
  • Fixed a data loss during backup to virtual tape, leading to lost savesets (ID#5144, Case #00029944).
  • Fixed a problem where a virtual disk is "unloaded" on dismount and cannot be mounted again (ID#5136, Case #00029906).
  • Fixed "print" option in "ncu" utility (ID#5133).
  • Fixed "hasp_srm_view" issue of impossibility to display all available licenses (ID#5088).
  • Fixed VAX 4705 ROM self-test fatal hardware error (ID#4958, Case #00029315).
  • Fixed a loss of date/time synchronization after DST change (ID#5029).
  • Fixed a problem where VAX 4705 ROM self-test detects a fatal hardware error on the VAX virtual machine (ID#4958, Case #00029315).
  • Fixed a problem leading to setting incorrect ethernet address to FF-FF-FF-FF-FF-FF (ID#5097).
  • Fixed a BUGCHECK on backup of a bypass disk to a virtual tape (ID#5239).

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