[Bug 270460] i386 CURRENT guest boot time panics in emulators/virtualbox-ose on amd64 host (FreeBSD 13.1, Windows 10, FreeBSD 13.2-RELEASE-p1)

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270460

Paul Floyd  changed:

   What|Removed |Added

 Status|Closed  |Open
 Resolution|Overcome By Events  |---

--- Comment #16 from Paul Floyd  ---
This came back with 15.0

FreeBSD-15.0-CURRENT-i386-20230831-e04c4b4a369d-265091-disc1.iso

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[Bug 270460] i386 CURRENT guest boot time panics in emulators/virtualbox-ose on amd64 host (FreeBSD 13.1, Windows 10, FreeBSD 13.2-RELEASE-p1)

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Paul Floyd  changed:

   What|Removed |Added

 Resolution|--- |Overcome By Events
 Status|Open|Closed

--- Comment #15 from Paul Floyd  ---
Not sure exactly when this changed, but I can now successfully install and boot
14.0 i386 alpha 3

FreeBSD freebsd 14.0-ALPHA3 FreeBSD 14.0-ALPHA3 i386 1400097 #0
stable/14-n265022-2af9390e54ed: Fri Aug 25 05:38:58 UTC 2023
r...@releng1.nyi.freebsd.org:/usr/obj/usr/src/i386.i386/sys/GENERIC i386

Marking this closed / overcome by events.

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[Bug 270460] i386 CURRENT guest boot time panics in emulators/virtualbox-ose on amd64 host (FreeBSD 13.1, Windows 10, FreeBSD 13.2-RELEASE-p1)

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--- Comment #14 from Graham Perrin  ---
Guest, installed (Paul, ignore what I wrote in IRC about long mode): 

Script started on Tue Jul 11 09:00:37 2023
root@i386-current:~ # uname -aKU
FreeBSD i386-current 14.0-CURRENT FreeBSD 14.0-CURRENT #0
main-n263985-884eaacd24bd: Thu Jul  6 07:55:21 UTC 2023
r...@releng1.nyi.freebsd.org:/usr/obj/usr/src/i386.i386/sys/GENERIC i386
1400093 1400093
root@i386-current:~ # lscpu
Architecture:i386
Byte Order:  Little Endian
Total CPU(s):1
Thread(s) per core:  1
Core(s) per socket:  1
Socket(s):   1
Vendor:  GenuineIntel
CPU family:  6
Model:   58
Model name:  Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz
Stepping:9
L1d cache:   32K
L1i cache:   32K
L2 cache:256K
L3 cache:4M
Flags:   fpu vme de pse tsc msr mce cx8 apic sep mtrr pge mca
cmov pat pse36 cflsh mmx fxsr sse sse2 htt sse3 pclmulqdq monitor ssse3 cx16
pcid sse4_1 sse4_2 popcnt aes xsave osxsave avx rdrnd fsgsbase rdtscp lahf_lm
root@i386-current:~ # exit

Script done on Tue Jul 11 09:00:51 2023





Host: 

% uname -aKU
FreeBSD mowa219-gjp4-8570p-freebsd 14.0-CURRENT FreeBSD 14.0-CURRENT #0
main-n263900-cd9da8d072e4-dirty: Sat Jul  1 23:55:17 BST 2023
grahamperrin@mowa219-gjp4-8570p-freebsd:/usr/obj/usr/src/amd64.amd64/sys/GENERIC
amd64 1400092 1400092
% lscpu
Architecture:amd64
Byte Order:  Little Endian
Total CPU(s):4
Thread(s) per core:  2
Core(s) per socket:  2
Socket(s):   1
Vendor:  GenuineIntel
CPU family:  6
Model:   58
Model name:  Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz
Stepping:9
L1d cache:   32K
L1i cache:   32K
L2 cache:256K
L3 cache:4M
Flags:   fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 cflsh ds acpi mmx fxsr sse sse2 ss htt tm pbe sse3 pclmulqdq
dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2
x2apic popcnt tsc_deadline aes xsave osxsave avx f16c rdrnd fsgsbase smep erms
syscall rdtscp lm lahf_lm
%

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--- Comment #13 from Paul Floyd  ---
I can install on my old Solaris 11 machine (an Opteron CPU and stuck on
VirtualBox 6)

So I do think that this is a bug related to the CPU hwcaps.

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--- Comment #12 from Yuri Pankov  ---
FWIW, I just tried booting
FreeBSD-14.0-CURRENT-i386-20230706-884eaacd24bd-263985-disc1.iso (latest at the
moment) in VirtualBox 7.0.8 running on Windows 11 host (host CPU is i9-11900K),
no issues seen.  The VM has 2048MB of RAM and USB controllers removed,
everything else is default.

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[Bug 270460] i386 CURRENT guest boot time panics in emulators/virtualbox-ose on amd64 host (FreeBSD 13.1, Windows 10, FreeBSD 13.2-RELEASE-p1)

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--- Comment #11 from Paul Floyd  ---
(In reply to Graham Perrin from comment #9)

That would be a major effort.

I'm pretty sure this is a FreeBSD i386 bug, and not a VirtualBox host issue.
Early builds of 14.0 i386 had no problem. My suspicion is that this is in some
way related to hwcap.

What can I do from the kernel debugger prompt?

If I run 'bt' I just get into an endless loop of stuff like

vpanic(21359179,33705000,33705000,33705200,20521846,...) at vpanic+286/frame
0x33704968
panic(21359179,27288864,33705016,33685504,4,...) at panic+20/frame 0x33704988
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Graham Perrin  changed:

   What|Removed |Added

 CC||k...@freebsd.org

--- Comment #10 from Graham Perrin  ---
kib@ as a tentative cc recipient, only because I stumbled across a discussion
that preceded this bug report. In particular: 


| 

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[Bug 270460] i386 CURRENT guest boot time panics in emulators/virtualbox-ose on amd64 host (FreeBSD 13.1, Windows 10, FreeBSD 13.2-RELEASE-p1)

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--- Comment #9 from Graham Perrin  ---
(In reply to Paul Floyd from comment #4)

> … (same hardware)

For test purposes: can you boot a fresh amd64 14.0-CURRENT environment
(entirely separate from your installation of 13.2-RELEASE-p1) on the same host,
then install VirtualBox and try FreeBSD-14.0-CURRENT-i386.vhd as the virtual
hard disk for a 32-bit guest?

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--- Comment #8 from Paul Floyd  ---
host lscpu

Model name:  Intel(R) Xeon(R) CPU   W3520  @ 2.67GHz

Flags:   fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 cflsh ds acpi mmx fxsr sse sse2 ss htt tm pbe sse3 dtes64
monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt
syscall nx rdtscp lm lahf_lm

lscpu on 13.1 i386 running on vbox


Model name:  Intel(R) Xeon(R) CPU   W3520  @ 2.67GHz

Flags:   fpu vme de pse tsc msr mce cx8 apic sep mtrr pge mca
cmov pat pse36 cflsh mmx fxsr sse sse2 htt sse3 ssse3 cx16 sse4_1 sse4_2 popcnt
rdtscp lahf_lm

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--- Comment #7 from Graham Perrin  ---
i386 guest, amd64 host: 

FreeBSD freebsd 14.0-CURRENT FreeBSD 14.0-CURRENT #0 main-n263985-884eaacd24bd:
Thu Jul  6 07:55:21 UTC 2023
r...@releng1.nyi.freebsd.org:/usr/obj/usr/src/i386.i386/sys/GENERIC i386
1400093 1400093

- panic-free.

Origin: 

- FreeBSD-14.0-CURRENT-i386.vhd

- from FreeBSD-14.0-CURRENT-i386.vhd.xz at 
  .

Host, FreeBSD 14.0-CURRENT: 

% pkg iinfo virtualbox
virtualbox-ose-6.1.44_3
virtualbox-ose-kmod-6.1.44
% uname -aKU
FreeBSD mowa219-gjp4-8570p-freebsd 14.0-CURRENT FreeBSD 14.0-CURRENT #0
main-n263900-cd9da8d072e4-dirty: Sat Jul  1 23:55:17 BST 2023
grahamperrin@mowa219-gjp4-8570p-freebsd:/usr/obj/usr/src/amd64.amd64/sys/GENERIC
amd64 1400092 1400092
%

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Graham Perrin  changed:

   What|Removed |Added

Summary|i386 CURRENT guest boot |i386 CURRENT guest boot
   |time panics in  |time panics in
   |emulators/virtualbox-ose on |emulators/virtualbox-ose on
   |amd64 13.1 and  |amd64 host (FreeBSD 13.1,
   |13.2-RELEASE-p1 hosts   |Windows 10, FreeBSD
   ||13.2-RELEASE-p1)

--- Comment #6 from Graham Perrin  ---
paulf today at
:
 

> … upgraded to 13.2 p1 today

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