{"action":"created","issue":{"url":"https://api.github.com/repos/simh/simh/issues/296","repository_url":"https://api.github.com/repos/simh/simh","labels_url":"https://api.github.com/repos/simh/simh/issues/296/labels{/name}","comments_url":"https://api.github.com/repos/simh/simh/issues/296/comments","events_url":"https://api.github.com/repos/simh/simh/issues/296/events","html_url":"https://github.com/simh/simh/issues/296","id":143860152,"number":296,"title":"VH hardware errors on Ultrix 4.5","user":{"login":"hbent","id":16225003,"avatar_url":"https://avatars.githubusercontent.com/u/16225003?v=3","gravatar_id":"","url":"https://api.github.com/users/hbent","html_url":"https://github.com/hbent","followers_url":"https://api.github.com/users/hbent/followers","following_url":"https://api.github.com/users/hbent/following{/other_user}","gists_url":"https://api.github.com/users/hbent/gists{/gist_id}","starred_url":"https://api.github.com/users/hbent/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hbent/subscriptions","organizations_url":"https://api.github.com/users/hbent/orgs","repos_url":"https://api.github.com/users/hbent/repos","events_url":"https://api.github.com/users/hbent/events{/privacy}","received_events_url":"https://api.github.com/users/hbent/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2016-03-27T23:19:53Z","updated_at":"2016-03-28T01:18:27Z","closed_at":null,"body":"I occasionally see VH hardware errors on Ultrix 4.5.  I believe I have also seen them on 3.0, but I'm not sure.  I have seen them during normal use but am not sure how to reproduce them.  The surefire way seems to be to halt the system (with \"shutdown -h now\"):\r\n\r\ndhu0,line7 DHU HARDWARE ERROR.  TX.DMA.START failed\r\ndhu0,line6 DHU HARDWARE ERROR.  TX.DMA.START failed\r\ndhu0,line2 DHU HARDWARE ERROR.  TX.DMA.START failed\r\ndhu0,line5 DHU HARDWARE ERROR.  TX.DMA.START failed\r\n\r\nWhat is interesting is that this is for lines that are not in use, and have not been in use previously (I generally only use lines 0 and 1).\r\n\r\nshow version:\r\nVAX 8600 simulator V4.0-0 Beta\r\n        Simulator Framework Capabilities:\r\n                64b data\r\n                64b addresses\r\n                Ethernet Packet transports:PCAP:TAP:NAT:UDP\r\n                Idle/Throttling support is available\r\n                Virtual Hard Disk (VHD) support\r\n                Asynchronous I/O support\r\n                FrontPanel API Version 2\r\n        Host Platform:\r\n                Compiler: GCC 6.0.0 20160323 (experimental)\r\n                Simulator Compiled: Mar 24 2016 at 11:35:41\r\n                Memory Access: Little Endian\r\n                Memory Pointer Size: 64 bits\r\n                Large File (>2GB) support\r\n                SDL Video support: No Video Support\r\n                PCRE RegEx support for EXPECT commands\r\n                OS clock resolution: 1ms\r\n                Time taken by msleep(1): 2ms\r\n                OS: NetBSD aelfric 7.0 NetBSD 7.0 (AELFRIC) #0: Tue Dec 29 12:28:45 EST 2015  root@aelfric:/usr/src/sys/arch/amd64/compile/AELFRIC amd64\r\n        git commit id: e7f7b10f\r\n"},"comment":{"url":"https://api.github.com/repos/simh/simh/issues/comments/202180976","html_url":"https://github.com/simh/simh/issues/296#issuecomment-202180976","issue_url":"https://api.github.com/repos/simh/simh/issues/296","id":202180976,"user":{"login":"hbent","id":16225003,"avatar_url":"https://avatars.githubusercontent.com/u/16225003?v=3","gravatar_id":"","url":"https://api.github.com/users/hbent","html_url":"https://github.com/hbent","followers_url":"https://api.github.com/users/hbent/followers","following_url":"https://api.github.com/users/hbent/following{/other_user}","gists_url":"https://api.github.com/users/hbent/gists{/gist_id}","starred_url":"https://api.github.com/users/hbent/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hbent/subscriptions","organizations_url":"https://api.github.com/users/hbent/orgs","repos_url":"https://api.github.com/users/hbent/repos","events_url":"https://api.github.com/users/hbent/events{/privacy}","received_events_url":"https://api.github.com/users/hbent/received_events","type":"User","site_admin":false},"created_at":"2016-03-28T01:18:27Z","updated_at":"2016-03-28T01:18:27Z","body":"I am also seeing \"Warning: DHU device failed to exit self-test\" on startup.\r\nThe original issue only seems to trigger if you connect to the VH (over telnet) and issue a shutdown from there.\r\n\r\nUltrix 4.3 disk image for a vax8600, which displays the problem:\r\nhttps://www.mediafire.com/?nuwmrel09n0g927\r\n\r\nUltrix 4.3 DHU driver: http://pastebin.com/WQiYPYKw\r\n\r\nreduced config file, also included with the disk image:\r\nset cpu idle=ultrix\r\nset cpu 64m\r\nset rq0 ra82\r\natt rq0 ra82.dsk\r\nset rq1 dis\r\nset rq2 dis\r\nset rq3 dis\r\nset cr dis\r\nset rp dis\r\nset hk dis\r\nset ry dis\r\nset lpt dis\r\nset rl dis\r\nset tq dis\r\nset tu dis\r\nset ts lock\r\nset xu enabled\r\nset xu MAC=08:00:2B:1C:43:99\r\nset xu type=deuna\r\natt xu tap:tap0\r\nset dz disabled\r\nset vh enabled\r\nset vh lines=16\r\natt vh 4500\r\natt todr vax8600.todr\r\nboot rq0"}}