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SubjectRe: Bug in vboxguest: After commit Merge tag 'char-misc-4.17-rc3'
On Wed, 09. May 22:18, damian wrote:
> On Wed, 09. May 09:36, Hans de Goede wrote:
> > Hi,
> >
> > On 08-05-18 21:41, damian wrote:
> > >On Tue, 08. May 13:42, Hans de Goede wrote:
> > >>Hi Damian,
> > >>
> > >>On 02-05-18 22:46, damian wrote:
> > >>>Hello Greg,
> > >>>
> > >>>it is PATCH 3 virt: vbox: Use __get_free_pages insteas of kmalloc for DMA32 memory.
> > >>
> > >>Thank you for the bug report, I've tried to reproduce this problem
> > >>but for me everything works fine.
> > >>
> > >>Does your virtual-machine have more then 4G of RAM configured for its
> > >>use? If yes then what is likely happening is that you also have
> > >>the out-of-tree version of the vboxguest modules installed and prior
> > >>to the commit in question the out of tree version of the driver is
> > >>loading, because before that commit the vboxguest driver in the
> > >>mainline kernel fails to load on machines with more then 4G.
> > >>
> > >>Or alternatively before the commit in question you may not have
> > >>any version of the vboxguest driver loaded.
> > >>
> > >>Using the upstream version of the driver should not make a noticeable
> > >>difference, but before the vboxguest driver became a part of the
> > >>mainline kernel the virtualbox upstream developers have done a
> > >>cleanup / redesign of the userspace API of the vboxguest driver,
> > >>so the vboxguest driver will only work with recent virtualbox-guest-additions
> > >>and since you are using Ubuntu 16.04 chances are that you are
> > >>using that with Ubuntu's quite old bundled virtualbox-guest-additions
> > >>which will not work with the new driver and may be causing this
> > >>issue.
> > >>
> > >>Can you try upgrading your virtualbox-guest-additions to 5.2.10
> > >>please?
> > >>
> > >>Also if the above does not help, a couple of follow up
> > >>questions to help this pin down further:
> > >>
> > >>1) Are you using vbox's 3d pass through functionality
> > >>2) Which desktop-environment are you using?
> > >>
> > >>Regards,
> > >>
> > >>Hans
> > >
> > >Hi Hans,
> > >
> > >i will check my configutation and will come back
> > >At the moment i dont use use the virtualbox-guest-additions, i use the driver from the staging area.
> >
> > Ah I see, you may still have the Ubuntu pkg for them installed though,
> > which may be an old version which actually starts to try and do stuff
> > now that there is a vboxguest driver in mainline too, but that old
> > version does not support the new, stable API as merged into the
> > mainline.
> >
> > So if you don't care about the add-ons instead of upgrading yopu
> > can also remove the Ubuntu pkg for them.
> >
> > Regards,
> >
> > Hans
>
> Hello Hans,
>
> the reason why i dont use the virtual-guest-additions from virtualbox is the following with kernel 4.14rc4:
>
> there are changes in the kernel and this need time to fix in virtualbox.
>
>
> CC [M] /opt/VBoxGuestAdditions-5.2.97/src/vboxguest-5.2.97/vboxvideo/vbva_base.o
> /opt/VBoxGuestAdditions-5.2.97/src/vboxguest-5.2.97/vboxvideo/vbox_ttm.c: In Funktion »vbox_ttm_tt_create«:
> /opt/VBoxGuestAdditions-5.2.97/src/vboxguest-5.2.97/vboxvideo/vbox_ttm.c:219:22: Fehler: Übergabe des Arguments 2 von »ttm_tt_init« von inkompatiblem Zeigertyp [-Werror=incompatible-pointer-types]
> if (ttm_tt_init(tt, bdev, size, page_flags, dummy_read_page)) {
> ^~~~
> In file included from /home/damian/kernel/linux/include/drm/ttm/ttm_bo_driver.h:45,
> from /opt/VBoxGuestAdditions-5.2.97/src/vboxguest-5.2.97/vboxvideo/vbox_drv.h:69,
> from /opt/VBoxGuestAdditions-5.2.97/src/vboxguest-5.2.97/vboxvideo/vbox_ttm.c:31:
> /home/damian/kernel/linux/include/drm/ttm/ttm_tt.h:161:63: Anmerkung: »struct ttm_buffer_object *« erwartet, aber Argument hat Typ »struct ttm_bo_device *«
> int ttm_tt_init(struct ttm_tt *ttm, struct ttm_buffer_object *bo,
> ~~~~~~~~~~~~~~~~~~~~~~~~~~^~
> /opt/VBoxGuestAdditions-5.2.97/src/vboxguest-5.2.97/vboxvideo/vbox_ttm.c:219:6: Fehler: zu viele Argumente für Funktion »ttm_tt_init«
> if (ttm_tt_init(tt, bdev, size, page_flags, dummy_read_page)) {
> ^~~~~~~~~~~
> In file included from /home/damian/kernel/linux/include/drm/ttm/ttm_bo_driver.h:45,
> from /opt/VBoxGuestAdditions-5.2.97/src/vboxguest-5.2.97/vboxvideo/vbox_drv.h:69,
> from /opt/VBoxGuestAdditions-5.2.97/src/vboxguest-5.2.97/vboxvideo/vbox_ttm.c:31:
> /home/damian/kernel/linux/include/drm/ttm/ttm_tt.h:161:5: Anmerkung: hier deklariert
> int ttm_tt_init(struct ttm_tt *ttm, struct ttm_buffer_object *bo,
> ^~~~~~~~~~~
>
> Best regards
> Damian
>

Sorry I mean Kernel 4.17rc4 :-)

Damian


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