{"action":"created","issue":{"url":"https://api.github.com/repos/markfasheh/duperemove/issues/87","labels_url":"https://api.github.com/repos/markfasheh/duperemove/issues/87/labels{/name}","comments_url":"https://api.github.com/repos/markfasheh/duperemove/issues/87/comments","events_url":"https://api.github.com/repos/markfasheh/duperemove/issues/87/events","html_url":"https://github.com/markfasheh/duperemove/issues/87","id":95896207,"number":87,"title":"Unable to run btrfs send after deduplication","user":{"login":"mac-linux-free","id":10333351,"avatar_url":"https://avatars.githubusercontent.com/u/10333351?v=3","gravatar_id":"","url":"https://api.github.com/users/mac-linux-free","html_url":"https://github.com/mac-linux-free","followers_url":"https://api.github.com/users/mac-linux-free/followers","following_url":"https://api.github.com/users/mac-linux-free/following{/other_user}","gists_url":"https://api.github.com/users/mac-linux-free/gists{/gist_id}","starred_url":"https://api.github.com/users/mac-linux-free/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mac-linux-free/subscriptions","organizations_url":"https://api.github.com/users/mac-linux-free/orgs","repos_url":"https://api.github.com/users/mac-linux-free/repos","events_url":"https://api.github.com/users/mac-linux-free/events{/privacy}","received_events_url":"https://api.github.com/users/mac-linux-free/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-07-19T07:55:36Z","updated_at":"2015-07-27T20:29:03Z","closed_at":null,"body":"Sorry to open this again. This is still not fixed with kernel 4.1.2 and btrfs-progs 4.1. After an unsuccessful dedup:\r\n\r\nKernel processed data (excludes target files): 32.0G\r\nComparison of extent info shows a net change in shared extents of: 0.0\r\n\r\nthe send / receive does not work:\r\n\r\nBTRFS error (device vdb): did not find backref in send_root. inode=17588, offset=1703936, disk_byte=20751888384 found extent=20751888384\r\n\r\nI fixed send/receive again with a full balance. But how to dedup?\r\n"},"comment":{"url":"https://api.github.com/repos/markfasheh/duperemove/issues/comments/125333582","html_url":"https://github.com/markfasheh/duperemove/issues/87#issuecomment-125333582","issue_url":"https://api.github.com/repos/markfasheh/duperemove/issues/87","id":125333582,"user":{"login":"markfasheh","id":2341925,"avatar_url":"https://avatars.githubusercontent.com/u/2341925?v=3","gravatar_id":"","url":"https://api.github.com/users/markfasheh","html_url":"https://github.com/markfasheh","followers_url":"https://api.github.com/users/markfasheh/followers","following_url":"https://api.github.com/users/markfasheh/following{/other_user}","gists_url":"https://api.github.com/users/markfasheh/gists{/gist_id}","starred_url":"https://api.github.com/users/markfasheh/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/markfasheh/subscriptions","organizations_url":"https://api.github.com/users/markfasheh/orgs","repos_url":"https://api.github.com/users/markfasheh/repos","events_url":"https://api.github.com/users/markfasheh/events{/privacy}","received_events_url":"https://api.github.com/users/markfasheh/received_events","type":"User","site_admin":false},"created_at":"2015-07-27T20:29:03Z","updated_at":"2015-07-27T20:29:03Z","body":"Regarding the btrfs error you're seeing during send, there isn't anything that duperemove is doing directly which would cause this behavior. My guess is that send is broken (again) or that the clone code (used in the kernel for dedupe) corrupted something on disk.\r\n\r\nHave you asked about this on the btrfs list?"}}