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Bug #4377

closed

pfSense boot freezes after restart in QEMU/KVM

Added by Stanislav Yanchev almost 10 years ago. Updated over 9 years ago.

Status:
Rejected
Priority:
Normal
Assignee:
-
Category:
Operating System
Target version:
-
Start date:
02/05/2015
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Release Notes:
Affected Version:
Affected Architecture:

Description

pfSense virtual machine freezes after reboot at

usbus0: 12Mbps Full Speed USB v1.0

qemu proc contains :
-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2

Files

pfsense-usb-bug.png (26.4 KB) pfsense-usb-bug.png Screenshot of the usb freeze after reboot Stanislav Yanchev, 02/05/2015 07:51 AM
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 #1

Updated by Chris Buechler over 9 years ago

  • Status changed from New to Rejected
  • Affected Version deleted (2.2)
  • Affected Architecture added
  • Affected Architecture deleted (amd64)

I suspect you have a QEMU/KVM config issue of some sort given that doesn't happen to anyone else that I've seen. It's not an issue in our code regardless.

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 #2

Updated by Yann Autissier over 9 years ago

I have the same pb. FreeBSD guests fail to reboot properly if they have more than one CPU (socket, core, and/or thread).
It seems to be hardware specific : https://bugs.launchpad.net/qemu/+bug/1329956

As determined on the mailing list in June, the bug appears to be with KVM's apicv on processors that support the feature. I haven't heard anything about a fix, but the best workaround is to disable apicv when loading the KVM kernel module, e.g.:

# modprobe kvm_intel enable_apicv=N

You can verify the parameter by checking the contents of /sys/module/kvm_intel/parameters/enable_apicv.

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