VirtualBox

Opened 14 years ago

Closed 14 years ago

#5406 closed defect (fixed)

RHEL 3.9 -- 64-bit guest - kernel panic

Reported by: Technologov Owned by:
Component: VMM Version: VirtualBox 3.0.10
Keywords: Cc:
Guest type: Linux Host type: Windows

Description

Host: Windows 7, 64-bit, VBox 3.0.10, Core 2 Q6600, VT-x = on.

RHEL 3.9, 64-bit guest fails to load from CD. It has kernel panic right after the bootloader.

For testing you can use CentOS, which is free.

-Technologov, 6.nov.2009.

Attachments (2)

RHEL3 64-bit SMP-2009-11-06-20-45-56.log (51.5 KB ) - added by Technologov 14 years ago.
VBox log of failed RHEL 3.9 64-bit guest. (kernel panic)
RHEL3_9_64-bit.png (75.3 KB ) - added by Technologov 14 years ago.
Screenshot of kernel panic.

Download all attachments as: .zip

Change History (12)

by Technologov, 14 years ago

VBox log of failed RHEL 3.9 64-bit guest. (kernel panic)

by Technologov, 14 years ago

Attachment: RHEL3_9_64-bit.png added

Screenshot of kernel panic.

comment:1 by Technologov, 14 years ago

Tried in both UP and SMP variations; same result.

comment:2 by Technologov, 14 years ago

My other host: Intel Core i7 965, Windows XP 32-bit SP2, VBox 3.0.10.

OK, enabling PAE allows RHEL 3.9 64-bit to run. Basically VBox should enable PAE for all 64-bit guests, because all 64-bit hardware has PAE too... (so guest OSes may require it).

To resolve this issue, we need to enable PAE for all 64-bit VMs.

-Technologov

comment:3 by Technologov, 14 years ago

update: guest still fails 50% of the time - with kernel panic. Even with VT-x and PAE enabled.

comment:4 by Technologov, 14 years ago

update2: Moreover, PAE does not help the situation. The VM fails 50% of the time no matter if PAE is on/off or if EPT is on/off.

comment:5 by Sander van Leeuwen, 14 years ago

No, PAE is always on for 64 bits guests.

comment:6 by Technologov, 14 years ago

Are you sure ?!

Look at the attached log file. It clearly shows 64-bit VM without PAE. The VBox GUI shows the same.

415 00:00:02.090 Mnemonic - Description = guest (host)

422 00:00:02.090 PAE - Physical Address Extension = 0 (1)

-Technologov

comment:7 by Sander van Leeuwen, 14 years ago

I'm 100% sure. PAE is enabled dynamically as you can see below that part: CPUMSetGuestCpuIdFeature: Enabled PAE

comment:8 by Technologov, 14 years ago

Right.

comment:9 by Technologov, 14 years ago

Fixed in v3.1.0.

Host: Windows 7, 64-bit, Core 2 Q6600, VBox 3.1.0, VT-x = on.

-Technologov

comment:10 by Sander van Leeuwen, 14 years ago

Resolution: fixed
Status: newclosed
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