On 30/11/18 10:58, Daniel P. Berrangé wrote: > On Fri, Nov 30, 2018 at 01:08:29AM +0100, Paolo Bonzini wrote: >> On 29/11/18 19:00, Paolo Bonzini wrote: >>> Subprocesses are created by glib without leaving the file descriptors >>> open. Therefore, g_test_message (and assertion failures, but those >>> trigger when things are going bad anyway) will think that it is writing >>> to the log file descriptor, but while actually stomping on the QMP >>> file descriptor or similar. This causes spurious failures, which are >>> as nice to debug as the reader can imagine. While I have opened a >>> pull request on GLib, this will probably take a while to propagate >>> to distros. >>> >>> I found this while working on qgraph, but the fix is generic. >> >> This is not a problem anymore if we switch from gtester to tap. Do we >> want it fixed anyway or not? > > IMHO the change to tap is not really something we shoudl be doing > at this point in the release cycle.
Of course---I wasn't suggesting that, the TAP switch is for 4.0. However, this fix is not needed for 3.1 as far as I know, and we're pretty late in 3.1's rc period too. Paolo > So I'd favour taking this fix > for 3.1, even if it becomes redundant when we switch to tap in 4.0