{"id":410,"date":"2017-09-06T15:17:04","date_gmt":"2017-09-06T07:17:04","guid":{"rendered":"http:\/\/www.freezhongzi.info\/?p=410"},"modified":"2017-09-06T15:17:04","modified_gmt":"2017-09-06T07:17:04","slug":"mt7688%e5%bc%80%e5%8f%91%e6%9d%bflinux%e5%86%85%e6%a0%b8%e8%a1%a5%e4%b8%81%e8%ae%b0%e5%bd%95","status":"publish","type":"post","link":"https:\/\/bl4kraven.com\/index.php\/2017\/09\/06\/mt7688%e5%bc%80%e5%8f%91%e6%9d%bflinux%e5%86%85%e6%a0%b8%e8%a1%a5%e4%b8%81%e8%ae%b0%e5%bd%95\/","title":{"rendered":"MT7688\u5f00\u53d1\u677flinux\u5185\u6838\u8865\u4e01\u8bb0\u5f55"},"content":{"rendered":"<p>\u6211\u624b\u4e0a\u7684MT7688\u7684\u5f00\u53d1\u677f\u7528\u7684\u662fOpenwrt\u7684\u7cfb\u7edf\uff0c\u5185\u6838\u7248\u672c\u662f3.18.23\uff0c\u6709\u70b9\u8001\uff0c\u8c03\u8bd5\u8fc7\u7a0b\u4e2d\u5404\u79cdBUG\uff0c\u8bb0\u5f55\u4e00\u4e0b\u3002<\/p>\n<h2>1. JFFS2 directory hardlinks BUG<\/h2>\n<p>\u5728\u5347\u7ea7\u8f6f\u4ef6\u5305\u91cd\u542f\u540e\uff08\u4fdd\u62a4\u5220\u9664\u6587\u4ef6\u7684\u64cd\u4f5c\uff09\uff0c\u62a5\u76ee\u5f55\u786c\u94fe\u63a5\u95ee\u9898\uff08JFFS2\u652f\u6301\u786c\u94fe\u63a5\uff0c\u76ee\u5f55\u4e0d\u5141\u8bb8\u786c\u94fe\u63a5\uff09<\/p>\n<p>\u8fd9\u4e2aBUG\u5728JFFS2\u5b98\u65b9\u7684<a href=\"http:\/\/git.infradead.org\/users\/dwmw2\/jffs2-fixes.git\/commit\/01f1017b9381d613d121ff0c55c7120cf511bee5\">git\u8f6f\u4ef6\u4ed3\u5e93\u91cc\u4fee\u590d\u4e86<\/a><\/p>\n<h2>2. JFFS2 incorrect i_nlink count after jffs2&#8217;s RENAME_EXCHANGE operations<\/h2>\n<p>\u5220\u9664\u6587\u4ef6\u548c\u76ee\u5f55\u65f6\u62a5\u9519\uff1a<\/p>\n<pre><code>[  291.190000] ------------[ cut here ]------------\n[  291.190000] WARNING: CPU: 0 PID: 1218 at fs\/inode.c:339 inc_nlink+0x50\/0x74()\n[  291.200000] Modules linked in: ...balabala...\n[  291.290000] CPU: 0 PID: 1218 Comm: rm Not tainted 3.18.23 #25\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u8865\u4e01\u6709\u4eba\u5f88\u65e9\u5c31\u63d0\u4ea4\u7ed9OpenWRT\u4e86\uff0c\u53ef\u60dc\u90fd\u6ca1\u5408\u5e76\u8fdb\u6765\uff0c\u8981\u627e\u8865\u4e01\u53ef\u4ee5\u53bb<a href=\"https:\/\/git.lede-project.org\/?p=source.git;a=commit;h=638ca50f3b1d66fb165891552ed8cde31aa2f194\">LEDE<\/a>\u627e\uff0c\u770b\u4eba\u5bb6\u591a\u52e4\u5feb\u3002<\/p>\n<h2>3. MT7688\u7684\u7b2c\u4e8c\u8defSPI\u5168\u53cc\u5de5\u6a21\u5f0f\u6302\u4e86<\/h2>\n<p>\u8fd9\u4e2a\u6211\u8c03\u4e86\u597d\u4e45\uff0cMT7688\u6709\u4e24\u8defSPI\uff0c\u5f00\u53d1\u677f\u4e0aSPI0\u88ab\u7528\u6765\u8fdeNOR FLASH\u505a\u7cfb\u7edf\u7528\u4e86\uff0c\u6211\u597d\u5947\u627e\u4e86\u53e6\u5916\u4e00\u5757NOR FLASH\u60f3\u8fde\u5728SPI1\u4e0a\u3002\u53ef\u60dc\u7684\u662f\u6b7b\u6d3b\u4e0d\u884c\uff0c\u68c0\u67e5\u4e86\u5404\u79cd\u8fde\u7ebf\uff08SPI_CS1\u88abMT7688\u505a\u542f\u52a8\u9009\u9879\u5f15\u811a\u4e86\uff0c\u542f\u52a8\u5fc5\u987b\u62c9\u4f4e\uff0c\u4f46\u8fd9\u6837\u4f1a\u7247\u9009NOR FLASH\uff0c\u4e0d\u77e5\u9053\u542f\u52a8\u4f1a\u4e0d\u4f1a\u6709\u5f71\u54cd)\uff0c\u65e0\u5948\u4e0a\u7f51\u7ffb\u627e\u8865\u4e01\u3002<\/p>\n<p>\u8865\u4e01\u5728\u8fd9\u91cc\u627e\u5230\u4e86<a href=\"https:\/\/github.com\/widora\/openwrt_widora\/commit\/90007380185c76781ed62ba2d9616a390336ab7a\">SPI1\u5168\u53cc\u5de5\u6302\u6389\u8865\u4e01<\/a><\/p>\n<h2>\u540e\u8bb0<\/h2>\n<p>OpenWRT\u770b\u6765\u8001\u4e86\uff0c\u8865\u4e01\u66f4\u65b0\u4e0d\u52e4\u5feb\uff0c\u7cfb\u7edf\u81c3\u80bf\uff0c\u662f\u65f6\u5019\u5207\u6362\u5230LEDE\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u624b\u4e0a\u7684MT7688\u7684\u5f00\u53d1\u677f\u7528\u7684\u662fOpenwrt\u7684\u7cfb\u7edf\uff0c\u5185\u6838\u7248\u672c\u662f3.18.23 &hellip; <a href=\"https:\/\/bl4kraven.com\/index.php\/2017\/09\/06\/mt7688%e5%bc%80%e5%8f%91%e6%9d%bflinux%e5%86%85%e6%a0%b8%e8%a1%a5%e4%b8%81%e8%ae%b0%e5%bd%95\/\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a> <a href=\"https:\/\/bl4kraven.com\/index.php\/2017\/09\/06\/mt7688%e5%bc%80%e5%8f%91%e6%9d%bflinux%e5%86%85%e6%a0%b8%e8%a1%a5%e4%b8%81%e8%ae%b0%e5%bd%95\/\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-410","post","type-post","status-publish","format-standard","hentry","category-openwrt"],"_links":{"self":[{"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/posts\/410","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/comments?post=410"}],"version-history":[{"count":0,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/posts\/410\/revisions"}],"wp:attachment":[{"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/media?parent=410"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/categories?post=410"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bl4kraven.com\/index.php\/wp-json\/wp\/v2\/tags?post=410"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}