{"id":1518,"date":"2015-07-17T07:56:30","date_gmt":"2015-07-17T06:56:30","guid":{"rendered":"http:\/\/rglinuxtech.com\/?p=1518"},"modified":"2015-07-17T07:56:30","modified_gmt":"2015-07-17T06:56:30","slug":"arm64-dragonboard-to-4-2-rc1-and-back-again","status":"publish","type":"post","link":"https:\/\/rglinuxtech.com\/?p=1518","title":{"rendered":"ARM64 – DragonBoard to 4.2-rc1 – And Back Again.."},"content":{"rendered":"

Updated the DragonBoard 410c<\/strong> to patched Kernel 4.2-rc1<\/strong> from https:\/\/git.linaro.org\/landing-teams\/working\/qualcomm\/kernel.git\/tree\/refs\/heads\/integration-linux-qcomlt<\/a> , and the system booted OK:<\/p>\n

Fedora release 22 (Twenty Two)<\/strong><\/span>\r\nKernel 4.2.0-rc1+ on an aarch64 (ttyMSM0)<\/strong><\/span>\r\n...........<\/strong><\/span>\r\n# uname -a<\/strong><\/span>\r\nLinux rg410c 4.2.0-rc1+ #2 SMP PREEMPT Thu Jul 16 15:14:27 PDT 2015 aarch64 aarch64 aarch64 GNU\/Linux<\/strong><\/span><\/pre>\n
– But, on further testing, the SD Card (mmc1) had not been detected\/connected:<\/p>\n
# <\/strong>dmesg |grep mmc<\/span>\r\n.............................<\/span>\r\n[ 1.054080] mmc0: SDHCI controller on 7824900.sdhci [7824900.sdhci] using ADMA 64-bit<\/strong><\/span>\r\n[ 1.114173] mmc1: SDHCI controller on 7864900.sdhci [7864900.sdhci] using ADMA 64-bit<\/strong><\/span>\r\n[ 1.124414] mmc0: MAN_BKOPS_EN bit is not set<\/strong><\/span>\r\n[ 1.148855] mmc0: new high speed MMC card at address 0001<\/strong><\/span>\r\n[ 1.151959] mmcblk0: mmc0:0001 DS2008 7.28 GiB<\/strong><\/span>\r\n[ 1.155796] mmcblk0boot0: mmc0:0001 DS2008 partition 1 4.00 MiB<\/strong><\/span>\r\n[ 1.163796] mmcblk0boot1: mmc0:0001 DS2008 partition 2 4.00 MiB<\/strong><\/span>\r\n[ 1.166340] mmcblk0rpmb: mmc0:0001 DS2008 partition 3 4.00 MiB<\/strong><\/span>\r\n[ 1.192548] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10<\/strong><\/span>\r\n[ 1.332180] mmc1: Reset 0x1 never completed.<\/strong><\/span>\r\n[ 1.515375] mmc1: Reset 0x1 never completed.<\/strong><\/span>\r\n[ 1.697062] mmc1: Reset 0x1 never completed.<\/strong><\/span>\r\n[ 1.888422] mmc1: Reset 0x1 never completed.<\/strong><\/span>\r\n............................<\/span><\/pre>\n
So.. Reverted to the qcom-patched<\/em> 4.0 kernel, again..<\/p>\n
This was an issue with the 4.1 patched kernel, as well..\u00a0\u00a0\u00a0 Hopefully this will get fixed soon, now that some patches are entering the official<\/em> kernel.org tree..<\/p>\n
Robert Gadsdon.\u00a0\u00a0 July 16, 2015.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"
Updated the DragonBoard 410c to patched Kernel 4.2-rc1 from https:\/\/git.linaro.org\/landing-teams\/working\/qualcomm\/kernel.git\/tree\/refs\/heads\/integration-linux-qcomlt , and the system booted OK: Fedora release 22 (Twenty Two) Kernel 4.2.0-rc1+ on an aarch64 (ttyMSM0) ……….. # uname -a Linux rg410c 4.2.0-rc1+ #2 SMP PREEMPT Thu Jul 16 15:14:27 PDT 2015 aarch64 aarch64 aarch64 GNU\/Linux – But, on further testing, the SD Card (mmc1) had …<\/span> Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1132,1131,5,6,1130,11,14,16],"tags":[1133,822,1137,1156,242,1158,1159,1157],"class_list":["post-1518","post","type-post","status-publish","format-standard","hentry","category-aarch64","category-arm64","category-compilation","category-crash-and-burn","category-dragonboard","category-hacks","category-kernel","category-linux-arm","tag-arm64","tag-boot-ok","tag-dragonboard-410c","tag-kernel-4-2-rc1-patched","tag-linux","tag-mmc1","tag-reset-0x1-never-completed","tag-sdcard-not-detected"],"_links":{"self":[{"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=\/wp\/v2\/posts\/1518","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1518"}],"version-history":[{"count":1,"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=\/wp\/v2\/posts\/1518\/revisions"}],"predecessor-version":[{"id":1519,"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=\/wp\/v2\/posts\/1518\/revisions\/1519"}],"wp:attachment":[{"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rglinuxtech.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}