[Qemu-devel] tests/test-replication behaves unhelpfully if system is out of disk space

[Peter Maydell]

The tests/test-replication code tries to create some temporary
working files in /tmp/. If the system it's running on happens to
be out of disk space in /tmp/ it fails obscurely like this:

ERROR:/home/pm215/qemu/tests/test-replication.c:120:test_blk_write:
assertion failed: (async_ret == 0)

In particular, this fails to print the ENOSPC errno which has been
returned by blk_aio_pwritev(). If the test case printed the
errno (preferably in its human readable form) then it would
be clear that the test was failing because of a lack of disk
space rather than for some obscure test bug or bug in QEMU...

thanks
-- PMM