{"action":"opened","issue":{"url":"https://api.github.com/repos/genodelabs/genode/issues/2677","repository_url":"https://api.github.com/repos/genodelabs/genode","labels_url":"https://api.github.com/repos/genodelabs/genode/issues/2677/labels{/name}","comments_url":"https://api.github.com/repos/genodelabs/genode/issues/2677/comments","events_url":"https://api.github.com/repos/genodelabs/genode/issues/2677/events","html_url":"https://github.com/genodelabs/genode/issues/2677","id":296387629,"number":2677,"title":"rump: rump_fs and vfs+rump_fs plugin don't write all data to disk","user":{"login":"alex-ab","id":1506104,"avatar_url":"https://avatars0.githubusercontent.com/u/1506104?v=4","gravatar_id":"","url":"https://api.github.com/users/alex-ab","html_url":"https://github.com/alex-ab","followers_url":"https://api.github.com/users/alex-ab/followers","following_url":"https://api.github.com/users/alex-ab/following{/other_user}","gists_url":"https://api.github.com/users/alex-ab/gists{/gist_id}","starred_url":"https://api.github.com/users/alex-ab/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/alex-ab/subscriptions","organizations_url":"https://api.github.com/users/alex-ab/orgs","repos_url":"https://api.github.com/users/alex-ab/repos","events_url":"https://api.github.com/users/alex-ab/events{/privacy}","received_events_url":"https://api.github.com/users/alex-ab/received_events","type":"User","site_admin":false},"labels":[{"id":203354,"url":"https://api.github.com/repos/genodelabs/genode/labels/bug","name":"bug","color":"1b7921","default":true}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-02-12T14:11:46Z","updated_at":"2018-02-12T14:11:46Z","closed_at":null,"author_association":"MEMBER","body":"Using rump_fs server or vfs + rump_fs plugin may produce corrupted data.\r\n\r\nI tracked the issue down to missing functionality in the [rump vfs contrib sources](https://github.com/NetBSD/src/blob/trunk/sys/rump/librump/rumpvfs/vm_vfs.c#L67) compared to the [original uvm_pager](https://github.com/NetBSD/src/blob/trunk/sys/uvm/uvm_pager.c#L436) sources of NetBSD. The [error case](https://github.com/NetBSD/src/blob/trunk/sys/uvm/uvm_pager.c#L380) in the orignal uvm pager code is not covered by the [rump vfs contrib sources](https://github.com/NetBSD/src/blob/trunk/sys/rump/librump/rumpvfs/vm_vfs.c#L67).\r\n"}}
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