{"id":804,"date":"2014-04-09T11:21:30","date_gmt":"2014-04-09T15:21:30","guid":{"rendered":"http:\/\/fll-freak.com\/blog\/?p=804"},"modified":"2025-04-21T00:54:35","modified_gmt":"2025-04-21T04:54:35","slug":"chassing-random-crashes","status":"publish","type":"post","link":"https:\/\/fll-freak.com\/blog\/?p=804","title":{"rendered":"Chassing random crashes"},"content":{"rendered":"<p>Last night I stopped trying to add more functionality and get to the bottom of these random crashes. If I have lots of GPS data flowing through the system the system will crash in various ways. One way includes a Data Abort exception. This usually means a bad point or corrupted data. Overrun stacks is a great way to corrupt data.<!--more--><\/p>\n<p>So I spent some time looking at the various stacks. There is one per\u00a0basic ARM modes (IRQ, FIQ, ABT, &#8230;). These are used during exception processing. The other stacks are those of each task.<\/p>\n<p>The task stacks have a method to call to test the usage. These seem ok. But I think I found that the various AMR exception stacks are way to small. Some are a tiny 16 bytes long. Time to write a stack probe routine for these stacks!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Last night I stopped trying to add more functionality and get to the bottom of these random crashes. If I have lots of GPS data flowing through the system the system will crash in various ways. One way includes a &hellip; <a href=\"https:\/\/fll-freak.com\/blog\/?p=804\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25,24],"tags":[],"class_list":["post-804","post","type-post","status-publish","format-standard","hentry","category-arm","category-avc"],"_links":{"self":[{"href":"https:\/\/fll-freak.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/804","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fll-freak.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fll-freak.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fll-freak.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fll-freak.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=804"}],"version-history":[{"count":2,"href":"https:\/\/fll-freak.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/804\/revisions"}],"predecessor-version":[{"id":819,"href":"https:\/\/fll-freak.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/804\/revisions\/819"}],"wp:attachment":[{"href":"https:\/\/fll-freak.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fll-freak.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fll-freak.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}