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** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1849720

Title:
  KVM with e1000e and WinGuest Host OS on kernel 5.3 (ok with 5.0)

Status in linux package in Ubuntu:
  Incomplete
Status in qemu package in Ubuntu:
  In Progress

Bug description:
  After upgrading to Ubuntu 19.10 I noticed that all of my Windows
  Servers VMs would cause a hard crash on the Host OS shortly after
  starting up the VM.  I tracked it down to the Guest OS attempting to
  use the Network Connection, and if I disabled the virtual NIC for the
  VM, everything runs OK (albeit without a working network connection
  for the Guest OS).  Note that I'm just using the built in virtual
  network called "default" that get's installed by default and uses NAT
  forwarding.

  I believe the problem is related to AppArmor, as I noticed some errors
  present in various log files.

  Unfortunately, due to a time critical project I had to roll back to
  Ubuntu 19.04 and didn't capture any of the log files.  I did, however,
  find another user on Reddit with the exact same problems that I
  encountered and he agreed to let me post the log files.

  Here are what are think are the relevant pieces from the log files:

  ===================================================================

  Oct 22 22:59:23 brian-pc dnsmasq[2178]: exiting on receipt of SIGTERM
  Oct 22 22:59:23 brian-pc kernel: [   67.001284] device virbr0-nic left 
promiscuous mode
  Oct 22 22:59:23 brian-pc kernel: [   67.001298] virbr0: port 1(virbr0-nic) 
entered disabled state
  Oct 22 22:59:23 brian-pc NetworkManager[3557]: <info>  [1571799563.3862] 
device (virbr0-nic): released from master device virbr0
  Oct 22 22:59:23 brian-pc gnome-shell[4401]: Removing a network device that 
was not added
  Oct 22 22:59:23 brian-pc gnome-shell[2463]: Removing a network device that 
was not added
  Oct 22 22:59:23 brian-pc avahi-daemon[1621]: Interface virbr0.IPv4 no longer 
relevant for mDNS.
  Oct 22 22:59:23 brian-pc avahi-daemon[1621]: Leaving mDNS multicast group on 
interface virbr0.IPv4 with address 192.168.122.1.
  Oct 22 22:59:23 brian-pc avahi-daemon[1621]: Withdrawing address record for 
192.168.122.1 on virbr0.
  Oct 22 22:59:23 brian-pc NetworkManager[3557]: <info>  [1571799563.6859] 
device (virbr0): state change: activated -> unmanaged (reason 'unmanaged', 
sys-iface-state: 'removed')
  Oct 22 22:59:23 brian-pc gnome-shell[2463]: Removing a network device that 
was not added
  Oct 22 22:59:23 brian-pc gnome-shell[4401]: Removing a network device that 
was not added
  Oct 22 22:59:23 brian-pc dbus-daemon[1610]: [system] Activating via systemd: 
service name='org.freedesktop.nm_dispatcher' 
unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.192' (uid=0 
pid=3557 comm="/usr/sbin/NetworkManager --no-daemon " label="unconfined")
  Oct 22 22:59:23 brian-pc systemd[1]: Starting Network Manager Script 
Dispatcher Service...
  Oct 22 22:59:23 brian-pc gnome-shell[2463]: Object NM.ActiveConnection 
(0x55ccfb376e50), has been already deallocated — impossible to get any property 
from it. This might be caused by the object having been destroyed from C code 
using something such as destroy(), dispose(), or remove() vfuncs.
  Oct 22 22:59:23 brian-pc gnome-shell[2463]: == Stack trace for context 
0x55ccfb8d15f0 ==
  Oct 22 22:59:23 brian-pc gnome-shell[2463]: #0   55ccfbc736c0 i   
resource:///org/gnome/shell/ui/status/network.js:1329 (7f52226be550 @ 56)
  Oct 22 22:59:23 brian-pc gnome-shell[2463]: #1   55ccfbc73628 i   
resource:///org/gnome/shell/ui/status/network.js:1346 (7f52226be5e0 @ 113)
  Oct 22 22:59:23 brian-pc gnome-shell[2463]: #2   55ccfbc73588 i   
resource:///org/gnome/shell/ui/status/network.js:2049 (7f52226c1940 @ 216)
  Oct 22 22:59:23 brian-pc gnome-shell[2463]: #3   55ccfbc734f0 i   
resource:///org/gnome/shell/ui/status/network.js:1853 (7f52226bfee0 @ 134)
  Oct 22 22:59:23 brian-pc gnome-shell[2463]: #4   55ccfbc73430 i   
self-hosted:979 (7f522262dee0 @ 440)
  Oct 22 22:59:23 brian-pc gnome-shell[2463]: JS ERROR: TypeError: 
connection.get_setting_ip4_config is not a 
function#012_isHotSpotMaster@resource:///org/gnome/shell/ui/status/network.js:1333:25#012getIndicatorIcon@resource:///org/gnome/shell/ui/status/network.js:1346:13#012_updateIcon@resource:///org/gnome/shell/ui/status/network.js:2049:52#012_syncVpnConnections@resource:///org/gnome/shell/ui/status/network.js:1853:9
  Oct 22 22:59:23 brian-pc gnome-shell[2463]: JS ERROR: TypeError: 
connectionSettings is 
null#012_updateConnection@resource:///org/gnome/shell/ui/status/network.js:1922:9
  Oct 22 22:59:23 brian-pc gnome-shell[4401]: JS ERROR: TypeError: 
connectionSettings is 
null#012_updateConnection@resource:///org/gnome/shell/ui/status/network.js:1922:9
  Oct 22 22:59:23 brian-pc dbus-daemon[1610]: [system] Successfully activated 
service 'org.freedesktop.nm_dispatcher'
  Oct 22 22:59:23 brian-pc systemd[1]: Started Network Manager Script 
Dispatcher Service.
  Oct 22 22:59:30 brian-pc systemd[1]: systemd-localed.service: Succeeded.
  Oct 22 22:59:30 brian-pc systemd[1]: systemd-hostnamed.service: Succeeded.
  Oct 22 22:59:34 brian-pc systemd[1]: NetworkManager-dispatcher.service: 
Succeeded.
  Oct 22 22:59:34 brian-pc systemd[1]: systemd-timedated.service: Succeeded.
  Oct 22 22:59:35 brian-pc kernel: [   78.876946] kauditd_printk_skb: 38 
callbacks suppressed
  Oct 22 22:59:35 brian-pc kernel: [   78.876947] audit: type=1400 
audit(1571799575.216:50): apparmor="DENIED" operation="open" 
profile="virt-aa-helper" 
name="/home/brian/.seconddrive/windows10/WindowsVM.img" pid=5558 
comm="virt-aa-helper" requested_mask="r" denied_mask="r" fsuid=0 ouid=64055
  Oct 22 22:59:35 brian-pc kernel: [   78.919660] audit: type=1400 
audit(1571799575.260:51): apparmor="STATUS" operation="profile_load" 
profile="unconfined" name="libvirt-556aee82-2888-4958-a5fb-a46cb463aaa9" 
pid=5560 comm="apparmor_parser"
  Oct 22 22:59:35 brian-pc systemd[1]: Started Virtual machine log manager.
  Oct 22 22:59:43 brian-pc geoclue[2717]: Service not used for 60 seconds. 
Shutting down..
  Oct 22 22:59:43 brian-pc systemd[1]: geoclue.service: Main process exited, 
code=killed, status=15/TERM
  Oct 22 22:59:43 brian-pc systemd[1]: geoclue.service: Succeeded.
  Oct 22 22:59:48 brian-pc tracker-store[4662]: OK
  Oct 22 22:59:48 brian-pc systemd[4096]: tracker-store.service: Succeeded.
  Oct 22 22:59:54 brian-pc wpa_supplicant[1611]: wlp0s20f3: 
CTRL-EVENT-SIGNAL-CHANGE above=1 signal=-60 noise=9999 txrate=130000
  Oct 22 22:59:59 brian-pc xdg-desktop-por[4334]: Failed to get application 
states: GDBus.Error:org.freedesktop.portal.Error.Failed: Could not get window 
list: GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: App introspection 
not allowed
  Oct 22 23:00:01 brian-pc kernel: [  104.801913] audit: type=1400 
audit(1571799601.149:52): apparmor="DENIED" operation="open" 
profile="virt-aa-helper" 
name="/home/brian/.seconddrive/windows10/WindowsVM.img" pid=5586 
comm="virt-aa-helper" requested_mask="r" denied_mask="r" fsuid=0 ouid=64055
  Oct 22 23:00:01 brian-pc io.elementary.a[5579]: ComponentValidator.vala:38: 
Could not get the contents of blacklist file: Failed to open file 
“/etc/io.elementary.appcenter/appcenter.blacklist”: No such file or directory
  Oct 22 23:00:01 brian-pc kernel: [  104.845695] audit: type=1400 
audit(1571799601.193:53): apparmor="STATUS" operation="profile_replace" 
profile="unconfined" name="libvirt-556aee82-2888-4958-a5fb-a46cb463aaa9" 
pid=5588 comm="apparmor_parser"
  Oct 22 23:00:02 brian-pc PackageKit: get-packages transaction /29684_bebacdcb 
from uid 1000 finished with success after 618ms
  Oct 22 23:00:03 brian-pc kernel: [  107.458511] [UFW BLOCK] IN=wlp0s20f3 OUT= 
MAC=f4:d1:08:65:17:0b:70:f1:96:18:39:a2:08:00 SRC=72.21.91.29 DST=192.168.1.18 
LEN=40 TOS=0x00 PREC=0x00 TTL=64 ID=53668 DF PROTO=TCP SPT=80 DPT=49679 
WINDOW=432 RES=0x00 ACK FIN URGP=0 
  Oct 22 23:00:07 brian-pc kernel: [  110.735868] [UFW BLOCK] IN=wlp0s20f3 OUT= 
MAC=f4:d1:08:65:17:0b:70:f1:96:18:39:a2:08:00 SRC=72.21.91.29 DST=192.168.1.18 
LEN=40 TOS=0x00 PREC=0x00 TTL=64 ID=53669 DF PROTO=TCP SPT=80 DPT=49679 
WINDOW=432 RES=0x00 ACK FIN URGP=0 
  Oct 22 23:00:09 brian-pc PackageKit: refresh-cache transaction 
/29685_cbcddcda from uid 1000 finished with success after 7637ms
  Oct 22 23:00:09 brian-pc kernel: [  113.602632] [UFW BLOCK] IN=wlp0s20f3 OUT= 
MAC=f4:d1:08:65:17:0b:70:f1:96:18:39:a2:08:00 SRC=72.21.81.240 DST=192.168.1.18 
LEN=40 TOS=0x00 PREC=0x00 TTL=64 ID=59921 DF PROTO=TCP SPT=80 DPT=49678 
WINDOW=432 RES=0x00 ACK FIN URGP=0 
  Oct 22 23:00:11 brian-pc PackageKit: get-updates transaction /29686_cbeacbbd 
from uid 1000 finished with success after 1215ms
  Oct 22 23:00:13 brian-pc kernel: [  117.494453] [UFW BLOCK] IN=wlp0s20f3 OUT= 
MAC=f4:d1:08:65:17:0b:70:f1:96:18:39:a2:08:00 SRC=72.21.91.29 DST=192.168.1.18 
LEN=40 TOS=0x00 PREC=0x00 TTL=64 ID=53670 DF PROTO=TCP SPT=80 DPT=49679 
WINDOW=432 RES=0x00 ACK FIN URGP=0 
  Oct 22 23:00:16 brian-pc gnome-shell[4401]: [AppIndicatorSupport-WARN] 
Attempting to re-register :1.123/org/ayatana/NotificationItem/virt_manager; 
resetting instead
  Oct 22 23:00:16 brian-pc gnome-shell[4401]: [AppIndicatorSupport-WARN] Item 
:1.123/org/ayatana/NotificationItem/virt_manager is already registered
  Oct 22 23:00:19 brian-pc kernel: [  123.228740] audit: type=1400 
audit(1571799619.579:54): apparmor="DENIED" operation="open" 
profile="virt-aa-helper" 
name="/home/brian/.seconddrive/windows10/WindowsVM.img" pid=6486 
comm="virt-aa-helper" requested_mask="r" denied_mask="r" fsuid=0 ouid=64055
  Oct 22 23:00:19 brian-pc kernel: [  123.270565] audit: type=1400 
audit(1571799619.619:55): apparmor="STATUS" operation="profile_replace" 
profile="unconfined" name="libvirt-556aee82-2888-4958-a5fb-a46cb463aaa9" 
pid=6488 comm="apparmor_parser"
  Oct 22 23:00:19 brian-pc kernel: [  123.294563] audit: type=1400 
audit(1571799619.643:56): apparmor="DENIED" operation="open" 
profile="virt-aa-helper" 
name="/home/brian/.seconddrive/windows10/WindowsVM.img" pid=6489 
comm="virt-aa-helper" requested_mask="r" denied_mask="r" fsuid=0 ouid=64055
  Oct 22 23:00:19 brian-pc kernel: [  123.336923] audit: type=1400 
audit(1571799619.687:57): apparmor="STATUS" operation="profile_replace" 
profile="unconfined" name="libvirt-556aee82-2888-4958-a5fb-a46cb463aaa9" 
pid=6491 comm="apparmor_parser"
  Oct 22 23:00:19 brian-pc kernel: [  123.361043] audit: type=1400 
audit(1571799619.711:58): apparmor="DENIED" operation="open" 
profile="virt-aa-helper" 
name="/home/brian/.seconddrive/windows10/WindowsVM.img" pid=6492 
comm="virt-aa-helper" requested_mask="r" denied_mask="r" fsuid=0 ouid=64055
  Oct 22 23:00:19 brian-pc kernel: [  123.402401] audit: type=1400 
audit(1571799619.751:59): apparmor="STATUS" operation="profile_replace" 
profile="unconfined" name="libvirt-556aee82-2888-4958-a5fb-a46cb463aaa9" 
pid=6494 comm="apparmor_parser"
  Oct 22 23:00:19 brian-pc kernel: [  123.426276] audit: type=1400 
audit(1571799619.775:60): apparmor="DENIED" operation="open" 
profile="virt-aa-helper" 
name="/home/brian/.seconddrive/windows10/WindowsVM.img" pid=6495 
comm="virt-aa-helper" requested_mask="r" denied_mask="r" fsuid=0 ouid=64055
  Oct 22 23:00:19 brian-pc kernel: [  123.468397] audit: type=1400 
audit(1571799619.819:61): apparmor="STATUS" operation="profile_replace" 
info="same as current profile, skipping" profile="unconfined" 
name="libvirt-556aee82-2888-4958-a5fb-a46cb463aaa9" pid=6497 
comm="apparmor_parser"
  Oct 22 23:00:19 brian-pc gnome-shell[4401]: [AppIndicatorSupport-WARN] 
Attempting to re-register :1.123/org/ayatana/NotificationItem/virt_manager; 
resetting instead
  Oct 22 23:00:19 brian-pc gnome-shell[4401]: [AppIndicatorSupport-WARN] Item 
:1.123/org/ayatana/NotificationItem/virt_manager is already registered
  Oct 22 23:00:19 brian-pc gnome-shell[4401]: [AppIndicatorSupport-WARN] 
Attempting to re-register :1.123/org/ayatana/NotificationItem/virt_manager; 
resetting instead
  Oct 22 23:00:19 brian-pc gnome-shell[4401]: [AppIndicatorSupport-WARN] Item 
:1.123/org/ayatana/NotificationItem/virt_manager is already registered
  Oct 22 23:00:23 brian-pc kernel: [  127.427774] [UFW BLOCK] IN=wlp0s20f3 OUT= 
MAC=f4:d1:08:65:17:0b:b8:27:eb:75:38:47:08:00 SRC=192.168.1.10 DST=192.168.1.18 
LEN=52 TOS=0x00 PREC=0x00 TTL=64 ID=15892 DF PROTO=TCP SPT=445 DPT=38086 
WINDOW=1332 RES=0x00 ACK URGP=0 
  Oct 22 23:00:27 brian-pc kernel: [  130.911806] [UFW BLOCK] IN=wlp0s20f3 OUT= 
MAC=f4:d1:08:65:17:0b:70:f1:96:18:39:a2:08:00 SRC=72.21.91.29 DST=192.168.1.18 
LEN=40 TOS=0x00 PREC=0x00 TTL=64 ID=53671 DF PROTO=TCP SPT=80 DPT=49679 
WINDOW=432 RES=0x00 ACK FIN URGP=0 
  Oct 22 23:00:44 brian-pc systemd[2021]: Reached target GNOME Session is 
stable (running for >2 minutes).
  Oct 22 23:00:59 brian-pc xdg-desktop-por[4334]: Failed to get application 
states: GDBus.Error:org.freedesktop.portal.Error.Failed: Could not get window 
list: GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: App introspection 
not allowed

  ===================================================================

  I've also attached the entire log file for reference.

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