On Tue, Mar 16, 2021 at 05:06:33PM +0000, Daniel P. Berrangé wrote:
If running libvirtd via systemd, it gets a 64 MB memlock limit, but
if
running from the shell it will only get 64 KB on a Fedora 33 system.
The latter low limit causes any attempt to use BPF to fail and it is
not obvious why.
This improves the error message thus:
# virsh -c lxc:/// start sh
error: Failed to start domain 'sh'
error: internal error: guest failed to start: Failure in libvirt_lxc startup: failed to
initialize device BPF map; locked memory limit for libvirtd probably needs to be raised:
Operation not permitted
Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com>
---
src/util/vircgroupv2devices.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
Reviewed-by: Pavel Hrdina <phrdina(a)redhat.com>