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Hello, here is a repro which runs in a docker image. https://we.tl/t-O1EhIAOeOF To see the issue, run repro.sh It will first download a (big, sorry) centos:7 docker image with my build of LLVM-11 and build a simple lljit-based example. This example is called with some trivial .cpp which calls `cos`. When ran from *within the container* it works. When the same example, with the same bitcode

Basically the same as this patch series, but for Python: https://www.redhat.com/archives/libguestfs/2019-August/msg00235.html plus adding the 590 asynch test at the end. Rich.

In this patch series we use the newly introduced free callback on the completion function to dererence the OCaml NBD.Buffer. I will make the same kind of change for Python later in a separate series. The completion function is always called at the C level, even if the OCaml program didn't use the optional argument. That's because the free callback doesn't run otherwise. There is a

This is a combination of these two earlier series: https://www.redhat.com/archives/libguestfs/2019-August/msg00235.html https://www.redhat.com/archives/libguestfs/2019-August/msg00240.html plus changes to allow .callback = NULL / .free != NULL, and to reduce the complexity of freeing callbacks. Although it's rather long there's nothing complex here. We might consider squashing some