On Tue, Aug 9, 2022 at 11:10 AM Chris Murphy <li...@colorremedies.com> wrote: > > cc: cloud@, server@ fpo > > Hi, > > When troubleshooting early boot issues with a console, e.g. virsh console, or > the virt-manager console, or even a server's remote management console > providing a kind of virtual serial console... the boot scroll is completely > wiped. This is a new behavior in the last, I'm not sure, 6-12 months? > Everything before about 3 seconds is cleared as if the console reset command > was used, as in it wipes my local scrollback. > > I captured this with the script command, and when I cat this 76K file, it > even wipes the local console again. So there is some kind of control > character that's ordering my local console to do this. The file itself > contains the full kernel messages. I just can't cat it. I have to open it in > a text editor that ignores this embedded console reset command. > > With the help of @glb, we discovered that this is almost certainly Plymouth. > When I boot with parameter plymouth.enable=0 the problem doesn't happen. And > hence the higher level question if we really even need Plymouth in Server or > Cloud editions? > > I suppose ideally we'd track down the problem and fix plymouth, so that > existing installations get fixed. Whereas if we remove plymouth, we have to > ponder whether and how to remove plymouth from existing installations. Unless > we flat out aren't using it at all. > > Any ideas? > > Plymouth is in the @core group in fedora-comps, so pretty much everything > gets it. > https://pagure.io/fedora-comps/blob/main/f/comps-f37.xml.in#_635 > >
Plymouth is used to provide the interface for decrypting disks and presenting information about software/firmware updates, so I'd be loath to remove it. That said, it should all be captured in systemd journal logs though. -- 真実はいつも一つ！/ Always, there's only one truth! _______________________________________________ cloud mailing list -- cloud@lists.fedoraproject.org To unsubscribe send an email to cloud-le...@lists.fedoraproject.org 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/cloud@lists.fedoraproject.org Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
