Hi, On Wed, Jan 31, 2018 at 10:02:38AM -0500, Michael Weghorn wrote: > Package: libvirt-daemon > Version: 4.0.0-1 > Severity: important > > Dear Maintainer, > > when libvirtd is restarted while a VM is running, the system "freezes". > > The following steps can be taken in order to reproduce the problem: > > * Set up and start a virtual machine using `virt-install`, e.g. as follows: > > $ wget > https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-9.3.0-amd64-netinst.iso > $ virt-install --connect=qemu:///system --name demo --memory 500 --disk > none --network none --livecd --cdrom debian-9.3.0-amd64-netinst.iso > > * While the virtual machine is running, restart the libvirt daemon: > > $ sudo systemctl restart libvirtd.service > > This (almost always) leads to the system become "frozen", since a kernel > panic is caused. The output captured on another computer with the "netconsole" > module is given below. > > > The kernel package in use is linux-image-4.14.0-3-amd64, version 4.14.13-1. > systemd has version 237-1.
This looks like a kernel bug. Please reassign to the appropriate package. I can restart libvirtd without issues with linux-image-4.14.0-3-amd64 (although 4.14.12-2). Cheers, -- Guido