Hi Iain, of course. I am sorry, forgot to add a link as intended[1]. Used base report from Network Manager tester report. I added it to Fedora bug mentioned, but forgot to add script itself. At least to me, it produces tens of RA announces.
Regards, Petr [1] https://github.com/InfrastructureServices/dnsmasq-tests/blob/master/bz1739797.sh On 8/27/19 10:45 AM, Iain Lane wrote: > 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, > > > _______________________________________________ > Dnsmasq-discuss mailing list > Dnsmasq-discuss@lists.thekelleys.org.uk > http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss > -- Petr Menšík Software Engineer Red Hat, http://www.redhat.com/ email: pemen...@redhat.com PGP: 65C6C973
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