... | ... | @@ -6,6 +6,11 @@ Here we keep track of failures that can occur when building GHC, with solutions. |
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We don't expect anyone to read this page from beginning to end. The only way you get here is by searching, so remember when adding a new entry the most important thing to do is to **include the error message verbatim**, so searches will find it. If a build failure is caused by a bug in GHC or the build system, please link to the ticket number so we can tell when it's safe to remove the entry and keep this page from getting too crufty.
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## Segmentation fault and "strange closure type" panics
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If the build fails with a `segmentation fault (core dumped)` or a `strange closure type` panic from GHC, but the error goes away or occurs in a different place when you restart the build, then the problem is most likely with your hardware. Please run a [ memtest](http://www.memtest.org/) before going any further.
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## Permission denied errors on Windows that go away when the build is restarted
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