{"id":276,"date":"2025-12-18T20:34:14","date_gmt":"2025-12-18T09:34:14","guid":{"rendered":"https:\/\/securelang.net\/cms\/?p=276"},"modified":"2025-12-18T20:43:39","modified_gmt":"2025-12-18T09:43:39","slug":"some-breakages","status":"publish","type":"post","link":"https:\/\/securelang.net\/cms\/blog\/2025\/12\/18\/some-breakages\/","title":{"rendered":"Some Breakages"},"content":{"rendered":"\n<p>During the final replacement of legacy code a few things have been broken or fixes to existing problems have been delayed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Floating point support may be in a half-working state, it probably works but prints some TODOs when activated and has had no attention since before replacing the rest of the kernel<\/li>\n\n\n\n<li>Due to API breakages the utilities from xv6 no longer compile at all, this is kind of intentional as I didn&#8217;t want to preserve the old headers etc.<\/li>\n\n\n\n<li>A few bugs were found in the filesystem code, these have been partly fixed during the replacement of old system call code but some probably remain<\/li>\n\n\n\n<li>Threading is implemented but not yet finished, it mostly works but there will be some bugs if some filesystem operations are invoked from multithreaded programs<\/li>\n\n\n\n<li>Error handling is unfinished, so some recoverable errors may cause kernel panics instead of failing gracefully<\/li>\n\n\n\n<li>I simply haven&#8217;t had time to investigate some possible scheduler bugs when running under load<\/li>\n<\/ul>\n\n\n\n<p>Addressing these problems will be delayed until after 1.0 or may not need addressing at all. The base system is functioning well and some command-line programs have been replaced already, once I have enough working to show some basic documentation about the software I&#8217;ll start uploading builds.<\/p>\n\n\n\n<p>Proper testing including stress tests will be resumed later.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>During the final replacement of legacy code a few things have been broken or fixes to existing problems have been delayed: Addressing these problems will be delayed until after 1.0 or may not need addressing at all. The base system is functioning well and some command-line programs have been replaced already, once I have enough [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pagelayer_contact_templates":[],"_pagelayer_content":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-276","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/securelang.net\/cms\/wp-json\/wp\/v2\/posts\/276","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/securelang.net\/cms\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/securelang.net\/cms\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/securelang.net\/cms\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/securelang.net\/cms\/wp-json\/wp\/v2\/comments?post=276"}],"version-history":[{"count":5,"href":"https:\/\/securelang.net\/cms\/wp-json\/wp\/v2\/posts\/276\/revisions"}],"predecessor-version":[{"id":283,"href":"https:\/\/securelang.net\/cms\/wp-json\/wp\/v2\/posts\/276\/revisions\/283"}],"wp:attachment":[{"href":"https:\/\/securelang.net\/cms\/wp-json\/wp\/v2\/media?parent=276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/securelang.net\/cms\/wp-json\/wp\/v2\/categories?post=276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/securelang.net\/cms\/wp-json\/wp\/v2\/tags?post=276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}