Le 2016-11-05 18:37, Michael Tokarev a écrit :

Control: tag -1 + moreinfo unreproducible

04.11.2016 03:26, Gregory Auzanneau wrote:

Package: seabios
Version: 1.9.3-2
Severity: normal

Dear Maintainer,

Since the latest update of seabios 1.9.3-2, a guest machine can't start with qemu parameter "-display none".
The guest hang immediatly at boot with all vCPU at 100%.

If I revert back to seabios 1.8.2-1, the problem is solved.
If I add a virtual graphic card, the is problem is also solved.

Please tell us which guest is that and how do you start it, and whenever
this is a generic problem (whith other guests too) or just this guest.

I can run several qemu guests with -display none here, including linux
and freebsd (with serial console), with either version of seabios.
On the contrary, with either version of seabios, running win7 guest
with this option results in 100% CPU consumption a few seconds after
the start, -- guess this is something to do with windows, but I'm
not sure. At any rate, this behavour does not seem to be seabios
version dependent.

Thanks,

/mjt

Hello M. Tokarev,

I've try on two different hosts (one server and one workstation) and different debian guests (jessie and stretch). Next to your mail, I've also installed a W7 guest to test if this OS is also concerned, but W7 works correctly.
This seems to only involve Debian (Linux ?) guests.

The guest are launched with libvirt. You will find in attachement an my libvirt setup for on test guest.
Adding serial console don't solve the issue.


Best regards,
Gregory
<!--
WARNING: THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
OVERWRITTEN AND LOST. Changes to this xml configuration should be made using:
  virsh edit debian8
or other application using the libvirt API.
-->

<domain type='kvm'>
  <name>debian8</name>
  <uuid>1a5f3d88-cc89-4157-949f-60be92749a47</uuid>
  <memory unit='KiB'>1048576</memory>
  <currentMemory unit='KiB'>1048576</currentMemory>
  <vcpu placement='static'>2</vcpu>
  <os>
    <type arch='x86_64' machine='pc-i440fx-2.7'>hvm</type>
    <boot dev='hd'/>
  </os>
  <features>
    <acpi/>
    <apic/>
    <vmport state='off'/>
  </features>
  <cpu mode='host-model'>
    <model fallback='allow'/>
  </cpu>
  <clock offset='utc'>
    <timer name='rtc' tickpolicy='catchup'/>
    <timer name='pit' tickpolicy='delay'/>
    <timer name='hpet' present='no'/>
  </clock>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>restart</on_crash>
  <pm>
    <suspend-to-mem enabled='no'/>
    <suspend-to-disk enabled='no'/>
  </pm>
  <devices>
    <emulator>/usr/bin/kvm</emulator>
    <disk type='file' device='disk'>
      <driver name='qemu' type='raw' cache='none' io='native'/>
      <source file='/var/lib/libvirt/images/Debian.img'/>
      <target dev='sda' bus='scsi'/>
      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
    </disk>
    <controller type='usb' index='0' model='ich9-ehci1'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' 
function='0x7'/>
    </controller>
    <controller type='usb' index='0' model='ich9-uhci1'>
      <master startport='0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0' 
multifunction='on'/>
    </controller>
    <controller type='usb' index='0' model='ich9-uhci2'>
      <master startport='2'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' 
function='0x1'/>
    </controller>
    <controller type='usb' index='0' model='ich9-uhci3'>
      <master startport='4'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' 
function='0x2'/>
    </controller>
    <controller type='pci' index='0' model='pci-root'/>
    <controller type='scsi' index='0' model='virtio-scsi'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' 
function='0x0'/>
    </controller>
    <interface type='bridge'>
      <mac address='52:54:00:88:a8:ae'/>
      <source bridge='br0'/>
      <model type='virtio'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' 
function='0x0'/>
    </interface>
    <input type='mouse' bus='ps2'/>
    <input type='keyboard' bus='ps2'/>
    <memballoon model='virtio'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' 
function='0x0'/>
    </memballoon>
  </devices>
</domain>

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