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"internal error: evacuate(static): strange closure type 0" when running in QEMU

We're trying to use NixOS to automatically run our acceptance tests in a VM on commit, in order to guarantee system stability. However, we're periodically seeing our web server component, compiled with GHC 7.8.2 is failing to start up. When it fails, the error message is always:

internal error: evacuate(static): strange closure type 0
(GHC version 7.8.2 for x86_64_unknown_linux)
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug

Happy to do more debugging on this, but I'll need to be pointed in the right direction.

Trac metadata
Trac field Value
Version 7.8.2
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Runtime System
Test case
Differential revisions
BlockedBy
Related
Blocking
CC simonmar
Operating system
Architecture
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