Hi Mark, Mark H Weaver <m...@netris.org> skribis:
> Danny Milosavljevic <dan...@scratchpost.org> writes: > >> After the change, I get the following on Hydra >> <https://hydra.gnu.org/build/3253608/log/raw>: >> >> --------------------------------------------------------------------------- >> @ build-started /gnu/store/scnqgfc3k4434h3gch22hnh0z8qdbvdb-disk-image.drv - >> x86_64-linux >> /var/log/guix/drvs/sc//nqgfc3k4434h3gch22hnh0z8qdbvdb-disk-image.drv.bz2 >> environment variable `PATH' set to >> `/gnu/store/5ka9gmcwcj2919q0cj0wkjng058lwrgq-qemu-minimal-3.0.0/bin:/gnu/store/5s2nib1lrd2101bbrivcl17kjx1mspw6-coreutils-8.30/bin' >> creating raw image of 1024.00 MiB... >> Formatting '/gnu/store/4yp6s4jlq2frb2jqzd7q3kp99vzmnpm5-disk-image', fmt=raw >> size=1073741824 >> Could not access KVM kernel module: Permission denied >> qemu-system-x86_64: failed to initialize KVM: Permission denied > > This indicates that /dev/kvm on hydra.gnunet.org has permissions that > prevent the guix build user from accessing it. > > I raised this issue long ago (2015) on the guix-sysadmin mailing list. > In that message, I noted that on hydra.gnunet.org, /dev/kvm has mode > 0600 and is owned by root, which caused our disk image derivations to > fail. > > At the time, Ludovic chmod'd /dev/kvm, and mentioned that he had tried > to make this persistent via /etc/udev/rules.d/70-persistent-net.rules, > but that for some reason that didn't seem to work, possibly because it > was being overridden by another rule or startup script. As far as I > know, we never implemented a proper fix. > > Ludovic, for now, can you chmod it again? I did that again this morning. Apparently there was a typo in the udev rules I had written: “=” instead of “==”… Should be better now on the next reboot. Ludo’.
