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
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