{"action":"created","issue":{"url":"https://api.github.com/repos/raspberrypi/linux/issues/1342","repository_url":"https://api.github.com/repos/raspberrypi/linux","labels_url":"https://api.github.com/repos/raspberrypi/linux/issues/1342/labels{/name}","comments_url":"https://api.github.com/repos/raspberrypi/linux/issues/1342/comments","events_url":"https://api.github.com/repos/raspberrypi/linux/issues/1342/events","html_url":"https://github.com/raspberrypi/linux/issues/1342","id":140172821,"number":1342,"title":"wlan freezes in raspberry pi 3","user":{"login":"dh-connect","id":10463926,"avatar_url":"https://avatars.githubusercontent.com/u/10463926?v=3","gravatar_id":"","url":"https://api.github.com/users/dh-connect","html_url":"https://github.com/dh-connect","followers_url":"https://api.github.com/users/dh-connect/followers","following_url":"https://api.github.com/users/dh-connect/following{/other_user}","gists_url":"https://api.github.com/users/dh-connect/gists{/gist_id}","starred_url":"https://api.github.com/users/dh-connect/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dh-connect/subscriptions","organizations_url":"https://api.github.com/users/dh-connect/orgs","repos_url":"https://api.github.com/users/dh-connect/repos","events_url":"https://api.github.com/users/dh-connect/events{/privacy}","received_events_url":"https://api.github.com/users/dh-connect/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":91,"created_at":"2016-03-11T12:29:26Z","updated_at":"2016-12-11T20:58:31Z","closed_at":null,"body":"I put the same sd card (running debian 8 jessie, kernel 4.1.19) from the raspberry pi 2 with usb wifi (EDIMAX EW-7811UN Wireless USB Adapter, 150 Mbit/s, IEEE802.11b/g/n) into the new raspberry pi 3 using integrated wlan. Since then the wlan freezes after while (several hours) of usage couldn't find out if it's due to havy wifi usage or not, because I haven't change the software I guess it has to do with the new hardware. When the wlan freezes the pi can't be reached any longer, neither ifdown + ifup nor restart networking service helps in this case, I have to reboot the system to get it back to work, syslog doesn't say much only this:\ndhcpcd[522]: wlan0: fe80::8af7:c7ff:fece:5912: expired option 25, \n\nI've tried to change these settings so far, but without improvement:\n\nsudo nano /etc/network/interfaces\nwireless-power off\n\nsudo nano /etc/sysctl.conf\nat the end of the file add the following line\nvm.min_free_kbytes = 16384\n\nsudo nano /boot/cmdline.txt\nAt the end of the line, add: \nsmsc95xx.turbo_mode=N\ndwc_otg.dma_enable=1 dwc_otg.dma_burst_size=256\n"},"comment":{"url":"https://api.github.com/repos/raspberrypi/linux/issues/comments/266307389","html_url":"https://github.com/raspberrypi/linux/issues/1342#issuecomment-266307389","issue_url":"https://api.github.com/repos/raspberrypi/linux/issues/1342","id":266307389,"user":{"login":"varl0g","id":24510510,"avatar_url":"https://avatars.githubusercontent.com/u/24510510?v=3","gravatar_id":"","url":"https://api.github.com/users/varl0g","html_url":"https://github.com/varl0g","followers_url":"https://api.github.com/users/varl0g/followers","following_url":"https://api.github.com/users/varl0g/following{/other_user}","gists_url":"https://api.github.com/users/varl0g/gists{/gist_id}","starred_url":"https://api.github.com/users/varl0g/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/varl0g/subscriptions","organizations_url":"https://api.github.com/users/varl0g/orgs","repos_url":"https://api.github.com/users/varl0g/repos","events_url":"https://api.github.com/users/varl0g/events{/privacy}","received_events_url":"https://api.github.com/users/varl0g/received_events","type":"User","site_admin":false},"created_at":"2016-12-11T20:58:31Z","updated_at":"2016-12-11T20:58:31Z","body":"I'm having this issue too. If I copy files to a samba share, the wifi connection is lost (raspberry 3, new installed raspbian).\r\nSyslog:\r\nbrcmfmac: brcmf_sdio_hostmail: Unknown mailbox data content: 0x40012\r\n"}}
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