Hi, >> This causes the environment to be inherited to Apache and the debconf db >> file descriptor remaining open, causing the postinst wrapper to hang on >> exit. >> >> The package is uninstallable without editing the postinst script >> accordingly. > > Thank you for testing and discovering this. How did you detect it? Is > there some way to detect this automatically? Would be useful to have a > test for it in autpkgtest.
I detected it by simply doing apt-get install sitesummary, which decided to stop in postinst. I enabled set -x and found that it hung after exit 0, which seemed a bit odd because exit 0 is one of the commands that I'd expect to fail least. A quick discussion with a colleague turned up that it was in fact dpkg hanging after calling postinst, and the reason for that was known here (and can be found using a search engine ;)). > > Do you have a patch to fix it? I suspect using db_stop or something > like that should be able to solve it. See the existing patch in this bug report. > > On the other hand, it is good behaviour of daemons to close all file > descriptors before daemonizing. It would be nice if Apache did that. Probably, but I do not know enough about stuff like that to be of any help there. -nik
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