Opened 12 years ago

Closed 10 years ago

#11398 closed defect (obsolete)

Guest restarts unexpectedly with a "Reset initiated by keyboard controller" message in the log file.

Reported by: Jean-Christophe Guillain Owned by:
Component: other Version: VirtualBox 4.2.6
Keywords: reset keyboard controller Cc:
Guest type: BSD Host type: Linux


Sometimes, when its load and I/O are high, the FreeBSD guest reboots. The only message associated wit this restart is in the VBox.log file :

39:16:41.172608 Reset initiated by keyboard controller
39:16:41.244607 Changing the VM state from 'RUNNING' to 'RESETTING'.

Host :

  • OS : Debian "Squeeze" 6.0.6 amd64
  • VB : virtualbox-4.2 - 4.2.6-82870~Debian~squeeze

Guest :

  • FreeBSD 8.3-RELEASE-p3 amd64

Attached :

  • VBox.log
  • vurdbckp1.vbox (the guest conf file)

Attachments (3)

VBox.log (61.3 KB ) - added by Jean-Christophe Guillain 12 years ago.
vurdbckp1.vbox (9.4 KB ) - added by Jean-Christophe Guillain 12 years ago.
VBox.log.1 (108.6 KB ) - added by mvorlov 11 years ago.

Download all attachments as: .zip

Change History (13)

by Jean-Christophe Guillain, 12 years ago

Attachment: VBox.log added

by Jean-Christophe Guillain, 12 years ago

Attachment: vurdbckp1.vbox added

comment:1 by Frank Mehnert, 12 years ago

Does this also happen if you decrease the guest RAM to 8GB (if that's possible with your setup)?

comment:2 by Jean-Christophe Guillain, 12 years ago

Actually, the FreeBSD guest uses a 24.5TB ZFS file system that requires at least 24 GB of RAM to run smoothly... (We use it as a backup server.)

comment:3 by mvorlov, 11 years ago

I am getting the same error, "Reset initiated by keyboard controller". Host is Ubuntu 11.04 64 bit, guest Windows XP Professional 32 bit. Guest is running with two cores enabled. Virtualbox is 4.2.8, though 4.2.6 had the same problem.

Guest is crashing quite regularly, seemingly on a high network I/O between host and guest and disk I/O on host.

It seems guest is running stable when only one CPU is enabled.

comment:4 by Frank Mehnert, 11 years ago

But "reset initiated by keyboard controller" normally means that the guest OS triggered the reboot. mvorlov, I would like to see a VBox.log file for such a VM session.

by mvorlov, 11 years ago

Attachment: VBox.log.1 added

comment:5 by mvorlov, 11 years ago

Here it is. Crashes were rather frequent when running guest with SATA controller (would crash within an hour or two). Turning on/off host I/O cache seem to make no difference. I tried switching back to IDE. It looks like guest is running longer (about 12 hours) before it crashes.

comment:6 by Frank Mehnert, 11 years ago

Could the guest reboot just a BSOD which triggered an auto-reboot? Did you disable automatic reboot? See here.

comment:7 by mvorlov, 11 years ago

Frank, With auto reboot disabled VM froze completely (twice) and host is reporting a 100% CPU usage by VM. Does it help?

comment:8 by Frank Mehnert, 11 years ago

Hmm, but didn't the guest window show a BSOD in that case?

comment:9 by mvorlov, 11 years ago

No BSOD.I tried changing the networking interface from Bridged to NAT with port forwarding - same result. Switching to a different network adapters and disabling Windows Firewall / ICS didn't work either. Each time I got a frozen VM windows with CPU running at 100%.

comment:10 by Frank Mehnert, 10 years ago

Resolution: obsolete
Status: newclosed
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