On Sun, 28 May 2017 at 23:41:56 +0200, Pali Rohár wrote: > On Sunday 28 May 2017 21:26:53 Guilhem Moulin wrote: >> which as I explained in message #86 is due to /etc/init.d/sendsigs >> killing systemd-udevd at shutdown/reboot time, thereby causing >> dmsetup to hang. > > And removing remaining socket file /run/udev/control before invoking > cryptsetup fixes hanging.
The udev regression might affect other shutdown sequences so I don't think the workaround should be implemented in cryptsetup's init scripts. >> The udev/systemd maintainers have fixed #791944, >> but their fix probably didn't land into Stretch yet. > > Seems it is not in Stretch yet: > http://metadata.ftp-master.debian.org/changelogs/main/s/systemd/systemd_232-23_changelog > > Should I create release bug report for Stretch? This seems to be a big > problem if shutdown/reboot procedure hangs when using encrypted disk. Not sure if the fix can be easily backported to 232-xyz, perhaps you should follow-up on #791944 and ask there first? Even if the udev maintainers don't acknowledge the severity they're in a better position to determine whether the workaround should go to our init scripts or not. -- Guilhem.
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