ToddAndMargo via users writes:
On 7/18/22 14:42, 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.Hi Sam, Did you try <Ctrl><alt><f2>?
Yes. It's dead as a doornail.
Fortunately, it is not happening to me, but I am still running 5.18.10-200.fc36.x86_64. I am getting paranoid about upgrading my kernel. Did you report it to Bugzilla?
No, there's nothing worthwhile to report. "Crashes with Qemu on some hardware" isn't a very useful bug report.
Here's an example of a useful bug report: 2107827That one looks like like my bug, except that I do not have anything to conclusively prove it; but this sounds very promising.
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