On Wed, Aug 21, 2019 at 08:59:07PM +0200, Petr Mensik wrote: > Hi Simon and Maarten, > > we discovered when playing with NetworkManager-ci [1], that lastest > release is somehow broken. Test running dnsmasq are quite slow on latest > release. > > I have created repeatable started script that reproduces it. Then used > git bisect to find when it was broken. It seems fast sending were > intentional in commit 0a496f059c1e9 [2], but maybe way it affects the > system were underestimated. It is significant for systems that hit such > issue. I think it has to be fixed to slow it down to short time > interval, not endless loop. Reported as Fedora bug [3].
Thanks for this Petr. Would you be able to share the script you've used, so that perhaps an upstream developer could recreate the bug? Mainly I wanted to chime in and say that (in addition to the other instance referenced), we found this in the NetworkManager testsuite in Ubuntu. I didn't come up with a nice reproducer at the time, but we did identify the same commit and we've reverted it in Ubuntu. I posted on the ML back then but we didn't get much traction and I didn't follow up very aggressively. http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2018q4/012709.html https://launchpadlibrarian.net/405377161/dnsmasq_2.80-1_2.80-1ubuntu1.diff.gz (the commit ID referenced in the changelog there seems or from somewhere else, it's the same patch) Cheers, -- Iain Lane [ i...@orangesquash.org.uk ] Debian Developer [ la...@debian.org ] Ubuntu Developer [ la...@ubuntu.com ]
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