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#1 2016-04-14 08:58:40

majewsky
Member
Registered: 2014-10-31
Posts: 8

X server does not come up in VirtualBox VM after upgrade to kernel 4.5

I updated to linux{,-headers}-4.5 (from 4.4.5) this morning. After reboot, SDDM coredumped and the Xorg.0.log shows that the X server does not come up anymore.

Logs are at https://gist.github.com/majewsky/0f6e91 … 60ccad18c3 -- The Xorg.0.log especially says "Fatal server error: AddScreen/ScreenInit failed for driver 0".

My VirtualBox guest modules are definitely built for that kernel. I use virtualbox-guest-dkms and I saw the post-transaction hook running through without error.

I'm not sure whether to report this bug against Arch, VirtualBox, or the kernel (do they even have a bugtracker?). Maybe someone else is seeing the same problem and can share some insight?

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#2 2016-04-14 09:23:49

cscutcher
Member
Registered: 2015-10-12
Posts: 4

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

Exactly the same here (except I use lightdm). Tried both virtualbox-guest-additions and the VBoxAdditions.run that Virtualbox provides. No luck with either.

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#3 2016-04-14 09:25:21

bjorn82
Member
Registered: 2016-04-14
Posts: 2

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

Same problem here.
Tried linux-mainline 4.6-RC3, but same issue.

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#4 2016-04-14 09:34:15

cscutcher
Member
Registered: 2015-10-12
Posts: 4

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

I can confirm downgrading to 4.4.5 got things working again for me. I used

sudo pacman --force -U linux-4.4.5-1-x86_64.pkg.tar.xz linux-headers-4.4.5-1-x86_64.pkg.tar.xz

Also I forgot to say that I'm on Antergos rather than raw Arch.

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#5 2016-04-14 10:01:58

WebReflection
Member
Registered: 2014-07-08
Posts: 100

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

not sure if helps, but I'm on gdm and GNOME 3.20 and every VM I have works just fine (various Windows, Fedora, Ubuntu 14, 15, 16)


Linux archibold 4.5.0-1-ARCH #1 SMP PREEMPT Tue Mar 15 09:41:03 CET 2016 x86_64 GNU/Linux

Last edited by WebReflection (2016-04-14 10:02:35)

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#6 2016-04-14 10:04:49

cscutcher
Member
Registered: 2015-10-12
Posts: 4

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

WebReflection wrote:

every VM I have works just fine (various Windows, Fedora, Ubuntu 14, 15, 16)

I presume you're talking about Arch being the VM host? We're talking about Arch being the guest.

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#7 2016-04-14 10:10:12

WebReflection
Member
Registered: 2014-07-08
Posts: 100

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

so I was right being not sure, I didn't help at all (yes, I was talking about Arch as primary OS which is my case, apologies for the (my) confusion)

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#8 2016-04-14 10:12:01

cscutcher
Member
Registered: 2015-10-12
Posts: 4

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

WebReflection wrote:

apologies

No worries. Thanks for trying to help!

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#9 2016-04-14 10:39:51

bjorn82
Member
Registered: 2016-04-14
Posts: 2

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

cscutcher wrote:

I can confirm downgrading to 4.4.5 got things working again for me. I used

sudo pacman --force -U linux-4.4.5-1-x86_64.pkg.tar.xz linux-headers-4.4.5-1-x86_64.pkg.tar.xz

Also I forgot to say that I'm on Antergos rather than raw Arch.

I downgraded too, now it's working again.

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#10 2016-04-14 10:59:44

bartekplus
Member
Registered: 2004-12-25
Posts: 4

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

Same problem here, I use  iomem=relaxed kernel parameter as workaround.

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#11 2016-04-14 11:13:56

IMBJR
Member
From: INDCMPLX
Registered: 2014-03-16
Posts: 78

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

bartekplus wrote:

Same problem here, I use  iomem=relaxed kernel parameter as workaround.

This work-around works for me.

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#12 2016-04-14 22:31:31

0strodamus
Member
Registered: 2014-01-22
Posts: 92

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

Thanks for posting the work-around. It's working here too. This option was added to the 4.5-1 kernel config:

CONFIG_IO_STRICT_DEVMEM=y

. According to this forum post, once VirtualBox 5.0.17 is released the kernel parameter can be removed.


archlinux | OpenRC | TOMOYO Linux | Xfce

"In his house at R'lyeh dead Cthulhu waits dreaming."

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#13 2016-04-15 06:09:50

fredbezies
Member
Registered: 2011-07-28
Posts: 343

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

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#14 2016-04-15 08:39:46

lyndon
Member
Registered: 2016-04-14
Posts: 3

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

I am having the same problem on 2 different host systems.

I have tried the workaround on 1 and it works (will confirm on the other later).

For those who stumble across this who have never changed their kernel parameters before like me (and are using GRUB) all I did was:

Edit /etc/default/grub and append

iomem=relaxed

to the GRUB_CMDLINE_LINUX_DEFAULT variable so mine now looks like this:

GRUB_CMDLINE_LINUX_DEFAULT="quiet iomem=relaxed"

Then I ran:

sudo grub-mkconfig -o /boot/grub/grub.cfg

See Kernel parameters wiki page for more info.

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#15 2016-04-15 10:51:44

brontosaurusrex
Member
Registered: 2016-01-11
Posts: 20
Website

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

lyndon: That did the trick for me.

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#16 2016-04-16 17:33:57

linmx0130
Member
Registered: 2012-04-19
Posts: 4

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

lyndon's trick works for me, too!

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#17 2016-04-17 01:30:49

semeion
Member
From: Brazil
Registered: 2008-10-20
Posts: 65

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

yeah, same problem here...

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#18 2016-04-17 01:43:48

Trilby
Inspector Parrot
Registered: 2011-11-29
Posts: 27,262
Website

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

We really don't need a string of "me too" posts now that the solution is confirmed.

Semeion, your's is particularly odd saying you have the same problem - if you do, you can use the same solution.


"UNIX is simple and coherent..." - Dennis Ritchie, "GNU's Not UNIX" -  Richard Stallman

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#19 2016-04-18 01:03:15

semeion
Member
From: Brazil
Registered: 2008-10-20
Posts: 65

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

Yes, that solution from lyndon worked to me.

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#20 2016-04-18 01:10:36

Scimmia
Fellow
Registered: 2012-09-01
Posts: 9,551

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

This should be fixed in the latest packages.

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#21 2016-04-18 01:55:27

Momentum
Member
Registered: 2016-04-17
Posts: 8

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

Scimmia wrote:

This should be fixed in the latest packages.

And what might those packages be?

Last edited by Momentum (2016-04-18 01:56:00)

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#22 2016-04-18 08:26:01

FrankTM
Member
From: Zwolle, Netherlands
Registered: 2006-02-19
Posts: 26

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

cscutcher wrote:

I can confirm downgrading to 4.4.5 got things working again for me. I used

sudo pacman --force -U linux-4.4.5-1-x86_64.pkg.tar.xz linux-headers-4.4.5-1-x86_64.pkg.tar.xz

Also I forgot to say that I'm on Antergos rather than raw Arch.

Could someone share the i686 versions of these two files?

[edit]

Never mind, went with the kernel option for now smile

Last edited by FrankTM (2016-04-18 08:38:55)


Here is your parachute and here is the manual. Welcome to Linux.

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#23 2016-04-18 09:03:50

lyndon
Member
Registered: 2016-04-14
Posts: 3

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

Momentum wrote:
Scimmia wrote:

This should be fixed in the latest packages.

And what might those packages be?

I think they may be referring to the new virtualbox packages (virtualbox-guest-dkms and virtualbox-guest-utils).
I am running an update now and will test removing the kernel parameter (will edit with the result).

As for the workaround it wasn't actually me who suggested it, it was bartekplus, I just wrote out the steps for GRUB.

EDIT:
Unfortunately that didn't work.

At least what I did didn't:

I tried removing the iomem=relaxed parameter and rerunning grub-mkconfig after updating the packages.
I may also need to update Virtualbox to 5.0.16 as I am at 5.0.14. I will try that later today.

Last edited by lyndon (2016-04-18 09:09:42)

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#24 2016-04-18 13:02:46

oliver
Member
Registered: 2007-12-12
Posts: 448

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

lyndon wrote:

I tried removing the iomem=relaxed parameter and rerunning grub-mkconfig after updating the packages.
I may also need to update Virtualbox to 5.0.16 as I am at 5.0.14. I will try that later today.

I was on 5.0.16 and the upgrade today didn't fix the issue for me

[2016-04-18 08:55] [ALPM] upgraded virtualbox-guest-dkms (5.0.16-3 -> 5.0.16-4)
[2016-04-18 08:55] [ALPM] upgraded virtualbox-guest-utils (5.0.16-3 -> 5.0.16-4)

The old workaround was still good though.

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#25 2016-04-18 16:00:07

steadybright
Member
Registered: 2014-03-11
Posts: 17

Re: X server does not come up in VirtualBox VM after upgrade to kernel 4.5

Thank you, lyndon!

Not only do your instructions fix the problem, but you also presented it at a level that a Linux newbie can easily understand.  Thank you for the reference to the kernel parameters page as well.

Sincerely,

sb

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