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Autore: Arnt Karlsen
Data:  
To: dng
Oggetto: Re: [DNG] dmesg printout when starting VirtualBox VM
On Mon, 27 Nov 2023 08:18:30 -0300, altoid wrote in message
<65647B06.7174.942A40@???>:

> Hello:
>
> Sorry for the late reply.
> This has kept me rather busy. 8^°
>
> On 26 Nov 2023 at 6:36, Arnt Karlsen wrote:
>
> I think I have made some progress with respect to what *may* be
> happening. This is all above my pay grade so take my comments with a
> few grains of salt.
>
> For the sake of clarity/brevity I will skip the long story and just
> post the essentials:


...and a link to those long story logs to help avoid my wild ass guess
assumptions being totally worth shoving in where they came from? ;o)

>
> 1.
> Have backintime so went rolled to the VM snapshot from the end of
> October, the oldest one I have.
>
> Concurrently, rolled back to VBox (7.0.6) along with its
> GuestAdditions 7.0.6.
>
> That would rule out (?) a VBox update or some corruption in the XPSP3
> VM as everything happened way after that date.
>
> At least I did not notice it.
> I do not often use the XP VM.
>
> Problem did *not* go away.
>
> 2.
> Removed VBox (7.0.6) / GuestAdditions 7.0.6, reinstalled the latest
> available (7.0.12) along with GuestAdditions and the Extension Pack
> which was missing.
>
> Problem did *not* go away.
>
> 3.
> Went back to the last snapshot and tried to fix things by mucking
> around the XPSP3 installation but only managed to screw it up even
> more.
>
> The net result being that it is now on a 'black screen select how to
> boot' and 'blue screen with whatever' loop.
>
> I had forgotten just how annoying all this MS shit was.
>
> 4.
> I attempted to add a new XP VM using three or four of the
> downloadable XP isos I found on the web and was able to install one
> of them as a VM.
>
> Problem did *not* go away and shutdown does not work.
> Not even shutting down X.
> Have to reboot my box.
>
> --- snip ---
>
> > ..how do you shut it down, in the vm or from the host?
> I do *ctrl+backspace* to zap the X server.
>
> *vboxmanage controlvm "vm_name" poweroff* hangs at ~20% and even then
> sometimes *ctrl+backspace* won't work and have to shut down the box.
>
> > ..does the vm guest even need to be shut down, if it can
> > be "paused" or somesuch by VirtualBox before VirtualBox
> > is shut down?
> Yes, but I have never had the need to do that.
>
> I either have it *running* to do whatever I have to do with the
> Blackberry and its software


..tried to run it in e.g. a ReactOS vm or thru wine?
https://en.wikipedia.org/wiki/ReactOS


> or *stopped* as I really don't do much
> else with that VM.
>
> TL;DR
>
> The problem exists whether I have VirtualBox 7.06 or 7.0.12, with a
> recovered version of the VM or the latest one.
>
> Installing a new XPSP3 VM, whether in VirtualBox 7.0.6 or 7.0.12,
> complete with GA+EP does not solve the problem.
>
> In all cases, disconnecting the host from the web (cable and all)
> does not solve the problem so phoning home does not seem to be a
> problem.


..what does it do if you give it a fake "microsoft.com" etc
tcpdump etc log trap?

> From all this I think that the problem at hand is not related to VBox
> or the MS software, which may or may not require a specific *.iso to
> work.
>
> The only valid conclusion I have is that, at some point, something
> may have gone wrong with a Devuan update/upgrade.


..very possible, we depend way too much on Debian.
Did you try any other vm host software?

> One of the important packages updated lately was linux-kbuild.
> ie: 5.10.179-5~deb10u1 to 5.10.197-1~deb10u1
>
> It is over my pay grade to know what it does but it seems it is
> related to how modprobe works with modules.
>
> And here be modules at work:
>
> [code]
> ~$ lsmod | grep vbox
> vboxnetadp             28672  0
> vboxnetflt             32768  1
> vboxdrv               589824  4 vboxnetadp,vboxnetflt   # <- this one
> ~$ 
> [/code]

>
> ---
>
> On 26 Nov 2023 at 12:59, dng@??? wrote:
>
> > Did you install the latest extension pack for Virtualbox?
> Ahh ...
> Had forgotten all about that.
> Done.
>
> Problem remains.
> Please see above.
>
> > IDE, SATA or SCSI and does changing it make any difference?
> It was at the default setting.
>
> Thank you both for your input.
>
> If anyone has a clue as to what the trace in dmesng indicates, I'm
> all ears.
>
> [code]
> ------------[ cut here ]------------
> --- snip ---
>
> WARNING: CPU: 0 PID: 16511 at arch/x86/kernel/fpu/core.c:129
> kernel_fpu_begin_mask+0xc9/0xe0
> --- snip ---
> Call Trace:
> [ +0.000031] SUPR0FpuBegin+0x13/0x20 [vboxdrv]
> [ +0.000006] ? up+0x12/0x50
> [ +0.000014] ? VBoxHost_RTThreadCtxHookEnable+0x32/0x40 [vboxdrv]
> [ +0.000012] ? supdrvIOCtl+0xc5e/0x3650 [vboxdrv]
> [ +0.000013] ? rtR0MemAllocEx+0x57/0xd0 [vboxdrv]
> [ +0.000012] ? supdrvIOCtlFast+0x58/0xb0 [vboxdrv]
> [ +0.000011] ? VBoxDrvLinuxIOCtl_7_0_12+0x57/0x230 [vboxdrv]
> [ +0.000003] ? __x64_sys_ioctl+0x84/0xc0
> [ +0.000004] ? do_syscall_64+0x33/0x80
> [ +0.000003] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [ +0.000002] ---[ end trace 2d76295c57757cc8 ]---
> [/code]
>
> Thanks in advance.
>
> Best,
>
> S.



--
..med vennlig hilsen = with Kind Regards from Arnt Karlsen
...with a number of polar bear hunters in his ancestry...
Scenarios always come in sets of three:
best case, worst case, and just in case.