Le 11/12/2018 à 17:34, Paolo Galtieri a écrit :
Folks,
this morning I rebooted one of my systems. The system ended up
dropping into emergency mode. I ran journalctl -xb to see why it failed
to boot and I saw the following errors:
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol gfn_to_memslot
(err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol vfio_pin_pages
(err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol
vfio_info_cap_shift (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol
vfio_set_irqs_validate_and_prepare (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol vfio_device_put
(err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol gfn_to_pfn (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol mdev_from_dev
(err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol kvm_put_kvm (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol kvm_write_guest
(err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol
kvm_slot_page_track_remove_page (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol
kvm_page_track_register_notifier (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol mdev_parent_dev
(err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol vfio_unpin_pages
(err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol
kvm_is_visible_gfn (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol
kvm_page_track_unregister_notifier (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol
vfio_device_get_from_dev (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol
kvm_slot_page_track_add_page (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol
vfio_register_notifier (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol
vfio_info_add_capability (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol mdev_get_drvdata
(err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol
mdev_register_device (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol mdev_dev (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol
mdev_unregister_device (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol
vfio_unregister_notifier (err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol kvm_read_guest
(err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol mdev_set_drvdata
(err -2)
Dec 11 08:02:46 terrapin kernel: kvmgt: Unknown symbol kvm_get_kvm (err -2)
I'm sure I booted up on 4.19.6 on this system before without errors. In
fact my other system is running 4.19.6 so what might have changed to
cause this failure? The system booted fine on 4.19.5.
I had a similar problem: the / partition was not the good one.... check
in the /boot/grub2/grub.cfg file if the / partition is the same for
kernels 4.19.6 and 4.19.5
--
François Patte
UFR de mathématiques et informatique
Laboratoire CNRS MAP5, UMR 8145
Université Paris Descartes
45, rue des Saints Pères
F-75270 Paris Cedex 06
Tél. +33 (0)6 7892 5822
http://www.math-info.univ-paris5.fr/~patte