{"action":"created","issue":{"url":"https://api.github.com/repos/raspberrypi/linux/issues/1606","repository_url":"https://api.github.com/repos/raspberrypi/linux","labels_url":"https://api.github.com/repos/raspberrypi/linux/issues/1606/labels{/name}","comments_url":"https://api.github.com/repos/raspberrypi/linux/issues/1606/comments","events_url":"https://api.github.com/repos/raspberrypi/linux/issues/1606/events","html_url":"https://github.com/raspberrypi/linux/issues/1606","id":172221009,"number":1606,"title":"Net boot vs SD Card Boot Framebuffer Initialization","user":{"login":"Synoia","id":2666062,"avatar_url":"https://avatars.githubusercontent.com/u/2666062?v=3","gravatar_id":"","url":"https://api.github.com/users/Synoia","html_url":"https://github.com/Synoia","followers_url":"https://api.github.com/users/Synoia/followers","following_url":"https://api.github.com/users/Synoia/following{/other_user}","gists_url":"https://api.github.com/users/Synoia/gists{/gist_id}","starred_url":"https://api.github.com/users/Synoia/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Synoia/subscriptions","organizations_url":"https://api.github.com/users/Synoia/orgs","repos_url":"https://api.github.com/users/Synoia/repos","events_url":"https://api.github.com/users/Synoia/events{/privacy}","received_events_url":"https://api.github.com/users/Synoia/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":7,"created_at":"2016-08-19T21:08:46Z","updated_at":"2016-08-24T17:28:58Z","closed_at":null,"body":"We are booting a R-Pi with uboot download the kernel and dtb.\r\n\r\nWhen booting for the sd card, framebuffer is set correctly and fbset has values consistent with the parameters from tvservice -s.\r\n\r\nWhen booting everything, including kernel and dtbs from the file server, and starting uboot from the last line in config.txt (the initial boot is from the sd card)  tvservice -s shows the same values as sdcard boot, however fbset shows 800x400 resolution which is not consistent with service.\r\n\r\nWe can see the kernel start at the correct size, and then after about 10 lines of long the scree changes resolution. \r\n\r\nHow do we correct this miscommunication between firmware and kernel?"},"comment":{"url":"https://api.github.com/repos/raspberrypi/linux/issues/comments/242145505","html_url":"https://github.com/raspberrypi/linux/issues/1606#issuecomment-242145505","issue_url":"https://api.github.com/repos/raspberrypi/linux/issues/1606","id":242145505,"user":{"login":"Synoia","id":2666062,"avatar_url":"https://avatars.githubusercontent.com/u/2666062?v=3","gravatar_id":"","url":"https://api.github.com/users/Synoia","html_url":"https://github.com/Synoia","followers_url":"https://api.github.com/users/Synoia/followers","following_url":"https://api.github.com/users/Synoia/following{/other_user}","gists_url":"https://api.github.com/users/Synoia/gists{/gist_id}","starred_url":"https://api.github.com/users/Synoia/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Synoia/subscriptions","organizations_url":"https://api.github.com/users/Synoia/orgs","repos_url":"https://api.github.com/users/Synoia/repos","events_url":"https://api.github.com/users/Synoia/events{/privacy}","received_events_url":"https://api.github.com/users/Synoia/received_events","type":"User","site_admin":false},"created_at":"2016-08-24T17:28:58Z","updated_at":"2016-08-24T17:28:58Z","body":"It appears we need hot-plug of monitor. The mechanism of providing video parameters in the kernel command line does tends to force reboot on hot-plug of monitor. \r\n\r\nChanging framebuffer size with on-the-fly from x resulted blank screen."}}
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