Hi, l...@gnu.org (Ludovic Courtès) writes:
> Hello, > > taylanbayi...@gmail.com (Taylan Ulrich "Bayırlı/Kammer") skribis: > >> To speed up the compilation of the many Scheme files in Guix, we use a >> script that first loads all modules to be compiled into the Guile >> process (by calling 'resolve-interface' on the module names), and then >> the corresponding Scheme files are compiled in a par-for-each. >> >> While Guile's module system is known to be thread unsafe, the idea was >> that all mutation should happen in the serial loading phase, and the >> parallel compile-file calls should then be thread safe. >> >> Sadly that assumption isn't met when autoloads are involved. > > For the record, these issues should be fixed in Guile 2.2.4: > > 533e3ff17 * Serialize accesses to submodule hash tables. > 46bcbfa56 * Module import obarrays are accessed in a critical section. > 761cf0fb8 * Make module autoloading thread-safe. > > ‘guix pull’ now defaults to 2.2.4, so we’ll see if indeed those crashes > disappear. I think we haven't seen these in the last 4 years! We still have references to https://bugs.gnu.org/15602 in our code base though; although the upstream issue appears to have been fixed. Could we remove the workarounds now? -- Thanks, Maxim
