{"action":"created","issue":{"url":"https://api.github.com/repos/linuxmint/Cinnamon/issues/5704","repository_url":"https://api.github.com/repos/linuxmint/Cinnamon","labels_url":"https://api.github.com/repos/linuxmint/Cinnamon/issues/5704/labels{/name}","comments_url":"https://api.github.com/repos/linuxmint/Cinnamon/issues/5704/comments","events_url":"https://api.github.com/repos/linuxmint/Cinnamon/issues/5704/events","html_url":"https://github.com/linuxmint/Cinnamon/issues/5704","id":177664514,"number":5704,"title":"LinuxMint 18: Cinnamon Crash - segfault libgdk-3","user":{"login":"ximex","id":1078640,"avatar_url":"https://avatars.githubusercontent.com/u/1078640?v=3","gravatar_id":"","url":"https://api.github.com/users/ximex","html_url":"https://github.com/ximex","followers_url":"https://api.github.com/users/ximex/followers","following_url":"https://api.github.com/users/ximex/following{/other_user}","gists_url":"https://api.github.com/users/ximex/gists{/gist_id}","starred_url":"https://api.github.com/users/ximex/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ximex/subscriptions","organizations_url":"https://api.github.com/users/ximex/orgs","repos_url":"https://api.github.com/users/ximex/repos","events_url":"https://api.github.com/users/ximex/events{/privacy}","received_events_url":"https://api.github.com/users/ximex/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/linuxmint/Cinnamon/labels/BUG","name":"BUG","color":"fbca04"}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2016-09-18T17:23:30Z","updated_at":"2016-10-22T18:29:05Z","closed_at":null,"body":"Hello,\r\nI installed Linux Mint 18 with Cinnamon on my notebook.\r\nSome days later, cinnamon crashes on startup and couldn't fix it. I got this error message in the logs if i try to restart cinnamon:\r\n```\r\n[  918.768192] cinnamon[3894]: segfault at e8 ip 00007f2cde8ee5b2 sp 00007ffc924\r\nbdbb8 error 4 in libgdk-3.so.0.1800.9[7f2cde8b1000+d4000]\r\n```\r\n\r\nEdit:\r\nI have an onboard intel and an extern nvidia graphics card (optimus)"},"comment":{"url":"https://api.github.com/repos/linuxmint/Cinnamon/issues/comments/255545447","html_url":"https://github.com/linuxmint/Cinnamon/issues/5704#issuecomment-255545447","issue_url":"https://api.github.com/repos/linuxmint/Cinnamon/issues/5704","id":255545447,"user":{"login":"jersten","id":7646510,"avatar_url":"https://avatars.githubusercontent.com/u/7646510?v=3","gravatar_id":"","url":"https://api.github.com/users/jersten","html_url":"https://github.com/jersten","followers_url":"https://api.github.com/users/jersten/followers","following_url":"https://api.github.com/users/jersten/following{/other_user}","gists_url":"https://api.github.com/users/jersten/gists{/gist_id}","starred_url":"https://api.github.com/users/jersten/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jersten/subscriptions","organizations_url":"https://api.github.com/users/jersten/orgs","repos_url":"https://api.github.com/users/jersten/repos","events_url":"https://api.github.com/users/jersten/events{/privacy}","received_events_url":"https://api.github.com/users/jersten/received_events","type":"User","site_admin":false},"created_at":"2016-10-22T18:29:05Z","updated_at":"2016-10-22T18:29:05Z","body":"Ok, further update to this; I decided to `strace -f -s 10000 -p $(pidof mdm)`; and seen the following:\r\n\r\n```\r\nread(13, \"\\n(cinnamon-settings-daemon:2075): dconf-WARNING **: failed to commit changes to dconf: GDBus.Error:org.gtk.GDBus.UnmappedGError.Quark._g_2dfile_2derror_2dquark.Code17: Cannot open dconf database: invalid gvdb header\\n\", 256) = 216\r\nread(13, 0x7fffd871a330, 256)           = -1 EAGAIN (Resource temporarily unavailable)\r\ngeteuid()                               = 1000\r\nsetresuid(-1, 0, -1)                    = 0\r\ngetegid()                               = 1000\r\nsetresgid(-1, 128, -1)                  = 0\r\nselect(14, [6 13], NULL, NULL, NULL)    = 1 (in [13])\r\ngeteuid()                               = 0\r\ngetegid()                               = 128\r\ngeteuid()                               = 0\r\nsetresgid(-1, 1000, -1)                 = 0\r\nsetresuid(-1, 1000, -1)                 = 0\r\nread(13, \"\\n(cinnamon-settings-daemon:2075): dconf-WARNING **: failed to commit changes to dconf: GDBus.Error:org.gtk.GDBus.UnmappedGError.Quark._g_2dfile_2derror_2dquark.Code17: Cannot open dconf database: invalid gvdb header\\n\", 256) = 216\r\nread(13, 0x7fffd871a330, 256)           = -1 EAGAIN (Resource temporarily unavailable)\r\ngeteuid()                               = 1000\r\nsetresuid(-1, 0, -1)                    = 0\r\ngetegid()                               = 1000\r\nsetresgid(-1, 128, -1)                  = 0\r\nselect(14, [6 13], NULL, NULL, NULL)    = 1 (in [13])\r\ngeteuid()                               = 0\r\ngetegid()                               = 128\r\ngeteuid()                               = 0\r\nsetresgid(-1, 1000, -1)                 = 0\r\nsetresuid(-1, 1000, -1)                 = 0\r\n```\r\n\r\nI removed dconf settings: `rm -rf ~/.config/dconf`\r\n\r\nCinnamon was able to start without issue."}}
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