On Thu, 2021-01-28 at 14:16 +0000, Zbigniew Jędrzejewski-Szmek wrote: > On Thu, Jan 28, 2021 at 03:20:38PM +0200, Alexander Bokovoy wrote: > > With today's OpenQA tests I can point out that using zram on 2048MB RAM > > VMs actually breaks FreeIPA deployment: > > https://openqa.fedoraproject.org/tests/763006#step/role_deploy_domain_controller/35 > > > > OpenQA uses 2048MB RAM for QEMU VMs and this was typically OK for > > FreeIPA deployment with integrated CA and DNS server. Not anymore with > > zram activated: > > > > Jan 27 21:17:47 fedora zram_generator::generator[25243]: Creating unit dev-zram0.swap (/dev/zram0 with 1384MB) > > > > which ends up eating 2/3rds of the whole memory budget and FreeIPA > > installer fails: > > > > 2021-01-28T02:18:31Z DEBUG ipa-server-install was invoked with arguments [] and options: {'unattended': True, 'ip_addresses': None, 'domain_name': 'test.openqa.fedoraproject.org', 'realm_name': 'TEST.OPENQA.FEDORAPROJECT.ORG', 'host_name': None, 'ca_cert > > 2021-01-28T02:18:31Z DEBUG IPA version 4.9.1-1.fc34 > > 2021-01-28T02:18:31Z DEBUG IPA platform fedora > > 2021-01-28T02:18:31Z DEBUG IPA os-release Fedora 34 (Server Edition Prerelease) > > 2021-01-28T02:18:31Z DEBUG Available memory is 823529472B > > ... > > 2021-01-28T02:18:31Z DEBUG The ipa-server-install command failed, exception: ScriptError: Less than the minimum 1.2GB of RAM is available, 0.77GB available > > 2021-01-28T02:18:31Z ERROR Less than the minimum 1.2GB of RAM is available, 0.77GB available > > 2021-01-28T02:18:31Z ERROR The ipa-server-install command failed. See /var/log/ipaserver-install.log for more information > > Enabling zram doesn't really "take away memory", because no pre-allocation happens. > If there is no physical swap, then adding zram0 should just shown additional > swap space, so I don't think it could cause the check to fail. > But if there is physical swap, the zram device is used with higher preference > than the physical swap. So I think the explanation could be that the VM has > a swap partition. The openQA test in question runs after, and uses the hard disk from, a test that runs a default Fedora Server install: https://openqa.fedoraproject.org/tests/763650 which, AIUI, should not be creating a swap partition. The logs from the test - https://openqa.fedoraproject.org/tests/763657/file/role_deploy_domain_controller-var_log.tar.gz - do not show any swaps being activated other than zram ones. So no, I don't think there is a swap partition. -- Adam Williamson Fedora QA IRC: adamw | Twitter: adamw_ha https://www.happyassassin.net _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx
