On Wed, 2022-07-20 at 13:20 +1000, Eyal Lebedinsky wrote: > > > On 19/07/2022 14.39, Eyal Lebedinsky wrote: > > > > On 19/07/2022 07.42, Sam Varshavchik wrote: > > > Am I the only one lucky enough to have kernel-5.18.11- > > > 200.fc36.x86_64 crash reliably, on particular hardware, after > > > starting a VM in virt-manager? > > > > > > At least I think it's a crash. One second after a VM start it's > > > brick-city. Display frozen, no response from the network. I've > > > got nothing: after a reboot there's nothing in journalctl -r -b - > > > 1. This brings up fond memories -- ages ago I had a null modem > > > adapter hooked up to a serial port, the kernel configured for a > > > serial console, thusly I was able to capture OOPSes over the > > > serial console, in situations like these. > > > > > > But, these days, no more RS-232 ports. I dimly recall that a USB- > > > serial option is possible; but I don't have any of that in any > > > case. > > > > > > Anyway, reverting to 5.18.9 made this VM happy, and my VMs on > > > another hardware, also running the same kernel, are also fine. > > > But, 5.18.11 gets reliably clusterfarked by qemu on at least on > > > some hardware combinations. I wish I had more useful data points, > > > but I've got nuthin' worth putting into Bugzilla. > > > > Just a data point for you. > > > > I run 5.18.11-200.fc36.x86_64 on the host and on the guest (KVM). > > No crashes so far. > > However, sound is now broken, highly distorted, so maybe there is > > something bad with this kernel? > > > > You bay want to set rsyslog to log to the host, hoping to catch > > messages that did not make it to > > the guests fs. I have all my machines log to my server (which is > > the host too). > > > > A special, long incantation is appended to /etc/rsyslog.conf (on > > the guest). > > On the host I Provided TCP/UDP syslog reception in the same conf > > file. > > I now changed the guest machine from "sound ac97" to "sound ich6" and > sound now works OK. > The old setup was OK for a very long time. > > It is a worry when a stable setup stops working, so the OP may > consider trying different > guest settings. IIRC ich6 has been preferred to ac97 for quite a long time now. You may also want to check that you're using the i440FX chipset rather than the older one (the name of which escapes me). poc _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-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/users@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure