Hi! I'm running OpenVMS 7.2 VAX on a simh emulator, latest release (V3.9-0 from simh.trailing-edge.com) and compiled with networking (libpcap, no vde). The emulator has got its own network card to which it's attached. The host operating system is Linux, kernel 3.11. My issue is that after an apparently random amount of time (usually a few hours) the telnet server stops working. I can't get any client to log in remotely - as soon as I connect to the OpenVMS machine, all I get is a blank character sequence, as follows (dumped by nmap):
SF:NULL,1138,"\xff\xfb\x01\xff\xfb\x03\xff\xff\xff\xff\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\x SF:ff\xff\xff\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\xff\xff\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\xff\xff\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\xff\xff\xff\xff\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\xff\xff\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\xff\xff\xff\xff\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\xff\xff\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\ SF:xff\xff\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\xff\xff\xff\xff\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\xff\xff\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0")%r(G SF:enericLines,16D8,"\xff\xfb\x01\xff\xfb\x03\xff\xff\xff\xff\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\xff\xff\xff\xff\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\xff\xff\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\x SF:ff\xff\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\xff\xff\xff\xff\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\xff\xff\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\xff\xff\xff\xff\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\xff\xff\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x SF:ff\xff\xff\xff\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\xff\xff\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\xff\xff\xff\ SF:xff\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0 SF:\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\ SF:0"); I've tried the latest OpenVMS TCP/IP patch but with no luck: TRISTE::SYSTEM$ tcpip TCPIP> show ver Compaq TCP/IP Services for OpenVMS VAX Version V5.1 - ECO 1 on a VAXserver 3900 Series running OpenVMS V7.2 TRISTE::SYSTEM$ product show history ----------------------------------- ----------- ----------- -------------------- PRODUCT KIT TYPE OPERATION DATE AND TIME ----------------------------------- ----------- ----------- -------------------- DEC VAXVMS VMS72_PCSI V1.1 Patch Install 29-APR-2014 05:48:44 DEC VAXVMS TCPIP_ECO V5.1-151 Patch Install 29-APR-2014 05:00:13 DEC VAXVMS VMS72_PCSI V1.1 Patch Install 29-APR-2014 04:58:21 DEC VAXVMS TCPIP V5.1-15 Full LP Install 26-APR-2014 14:18:25 DEC VAXVMS TCPIP V5.0-9 Full LP Remove 26-APR-2014 14:01:59 DEC VAXVMS TCPIP V5.0-9 Full LP Install 26-APR-2014 13:48:42 DEC VAXVMS DECNET_PHASE_IV V7.2 Full LP Install 26-APR-2014 13:27:13 DEC VAXVMS VMS V7.2 Transition Reg Product 26-APR-2014 13:27:00 ----------------------------------- ----------- ----------- -------------------- 8 items found Restarting the TCP/IP stack doesn't help. Other services running on it (e.g. FTP server) are not affected. Bringing the interface down and up again on the host machine doesn't help either. Here's my vax.ini: ; ; Load CPU microcode load -r /usr/local/vax/data/ka655x.bin ; ; Attach non-volatile RAM to a file attach nvr /usr/local/vax/data/nvram.bin ; ; This virtual machine has 64M memory set cpu 64m ; ; idle value set cpu idle=VMS ; ; Define disk drive types. RA92 is largest-supported VAX drive. set rq0 ra92 set rq1 ra92 set rq2 ra92 set rq3 cdrom ; ; Attach defined drives to local files attach rq0 /usr/local/vax/data/d0.dsk attach rq1 /usr/local/vax/data/d1.dsk attach rq2 /usr/local/vax/data/d2.dsk ; ; Attach the CD-ROM to its file (read-only) attach -r rq3 /usr/local/vax/data/openvms72.iso ; ; Disable unused devices. It's also possible to disable individual devices, ; using a construction like "set rq2 disable" if desired. ; set rl disable set ts disable ; ; Attach Ethernet to a network interface set xq mac=00-21-85-00-b7-a7 attach xq eth0 ; ; Now start the emulator boot cpu Any thoughts? Thanks for your help
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