{"action":"opened","issue":{"url":"https://api.github.com/repos/simh/simh/issues/581","repository_url":"https://api.github.com/repos/simh/simh","labels_url":"https://api.github.com/repos/simh/simh/issues/581/labels{/name}","comments_url":"https://api.github.com/repos/simh/simh/issues/581/comments","events_url":"https://api.github.com/repos/simh/simh/issues/581/events","html_url":"https://github.com/simh/simh/issues/581","id":327490254,"number":581,"title":"Commit 0461008991aa12bd677bf448809fe214be13d8d9 breaks (some) existing disks","user":{"login":"jguillaumes","id":1552242,"avatar_url":"https://avatars2.githubusercontent.com/u/1552242?v=4","gravatar_id":"","url":"https://api.github.com/users/jguillaumes","html_url":"https://github.com/jguillaumes","followers_url":"https://api.github.com/users/jguillaumes/followers","following_url":"https://api.github.com/users/jguillaumes/following{/other_user}","gists_url":"https://api.github.com/users/jguillaumes/gists{/gist_id}","starred_url":"https://api.github.com/users/jguillaumes/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jguillaumes/subscriptions","organizations_url":"https://api.github.com/users/jguillaumes/orgs","repos_url":"https://api.github.com/users/jguillaumes/repos","events_url":"https://api.github.com/users/jguillaumes/events{/privacy}","received_events_url":"https://api.github.com/users/jguillaumes/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-05-29T21:14:39Z","updated_at":"2018-05-29T21:14:39Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"- #### Context\r\n\r\nOne disk created with old versions of the simulator cannot be attached under the current version:\r\n\r\n```\r\nsim> set rp0 rp04\r\nsim> attach rp0 RSTS_V10.RP04 \r\nRP0: non expandable disk RSTS_V10.RP04 is smaller than simulated device (43MW < 43MW)\r\nFile open error\r\n```\r\n\r\nThat disk works perfectly under older versions. According to the \"new\" rules it is probably not valid, but there should be a way to force its attachment. Or maybe a tool to \"fix\" it so it is valid.\r\n\r\n- #### the output of \"sim> SHOW VERSION\" while running the simulator which is having the issue\r\n\r\n```\r\nsim> show version\r\nPDP-11 simulator V4.0-0 Current\r\n    Simulator Framework Capabilities:\r\n        32b data\r\n        32b addresses\r\n        Threaded Ethernet Packet transports:PCAP:TAP:VDE:NAT:UDP\r\n        Idle/Throttling support is available\r\n        Virtual Hard Disk (VHD) support\r\n        RAW disk and CD/DVD ROM support\r\n        Asynchronous I/O support (Lock free asynchronous event queue)\r\n        Asynchronous Clock support\r\n        FrontPanel API Version 12\r\n    Host Platform:\r\n        Compiler: GCC 6.3.0 20170516\r\n        Simulator Compiled as C arch: ARM (Release Build) on May 27 2018 at 15:00:07\r\n        Memory Access: Little Endian\r\n        Memory Pointer Size: 32 bits\r\n        Large File (>2GB) support\r\n        SDL Video support: No Video Support\r\n        RegEx support for EXPECT commands\r\n        OS clock resolution: 1ms\r\n        Time taken by msleep(1): 1ms\r\n        OS: Linux pi01 4.9.59-v7+ #1047 SMP Sun Oct 29 12:19:23 GMT 2017 armv7l GNU/Linux\r\n        git commit id: 393e6eee\r\n        git commit time: 2018-05-27T14:39:11+0200\r\n```\r\n\r\n- #### the simulator configuration file (or commands) which were used when the problem occurred.\r\n\r\nNo configuration needed, just trying to attach the disk after setting the drive type triggers the error.\r\n\r\n- #### you may also need to provide specific pointers to data files that may be necessary to demonstrate the problem\r\n\r\nPlease contact me off-list to arrange an image disk transfer.\r\n\r\n"}}
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