Public bug reported:

2129            21:50:41 INFO |     START    
ubuntu_kvm_unit_tests.debug-wp-migration    
ubuntu_kvm_unit_tests.debug-wp-migration    timestamp=1679867441    
timeout=1800    localtime=Mar 26 21:50:41
2130            21:50:41 DEBUG| Persistent state client._record_indent now set 
to 2
2131            21:50:41 DEBUG| Persistent state client.unexpected_reboot now 
set to ('ubuntu_kvm_unit_tests.debug-wp-migration', 
'ubuntu_kvm_unit_tests.debug-wp-migration')
2132            21:50:41 DEBUG| Waiting for pid 14264 for 1800 seconds
2133            21:50:41 WARNI| System python is too old, crash handling 
disabled
2134            21:50:41 DEBUG| Running 'kvm-ok'
2135            21:50:41 DEBUG| [stdout] INFO: /dev/kvm exists
2136            21:50:41 DEBUG| [stdout] KVM acceleration can be used
2137            21:50:41 DEBUG| Running 
'/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/debug-wp-migration'
2138            21:50:41 DEBUG| [stdout] BUILD_HEAD=d8edb59a
2139            21:50:43 DEBUG| [stdout] run_migration timeout -k 1s 
--foreground 90s /usr/bin/qemu-system-aarch64 -nodefaults -machine 
virt,gic-version=host -accel kvm -cpu host -device virtio-serial-device -device 
virtconsole,chardev=ctd -chardev testdev,id=ctd -device pci-testdev -display 
none -serial stdio -kernel /tmp/tmp.ydjiVIV5YO -smp 1 -append wp-migration # 
-initrd /tmp/tmp.R76o6gkZWO
2140            21:50:44 DEBUG| [stdout] Now migrate the VM, then press a key 
to continue...
2141            21:50:52 DEBUG| [stderr] timeout: the monitored command dumped 
core
2142            21:50:52 DEBUG| [stderr] /tmp/tmp.I173nEEqOJ: line 141: 14811 
Segmentation fault      timeout -k 1s --foreground 90s 
/usr/bin/qemu-system-aarch64 -nodefaults -machine virt,gic-version=host -accel 
kvm -cpu host -device virtio-serial-device -device virtconsole,chardev=ctd 
-chardev testdev,id=ctd -device pci-testdev -display none -serial stdio -kernel 
/tmp/tmp.ydjiVIV5YO -smp 1 -append wp-migration -initrd /tmp/tmp.R76o6gkZWO 
-chardev socket,id=mon2,path=/tmp/mig-helper-qmp2.rDE5j3Tfbd,server=on,wait=off 
-mon chardev=mon2,mode=control -incoming unix:/tmp/mig-helper-socket.qxSKgRLyHr
2143            21:50:52 DEBUG| [stdout] FAIL debug-wp-migration (terminated on 
SIGSEGV)

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu Lunar)
     Importance: Undecided
         Status: New

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Lunar)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2013063

Title:
  debug-wp-migration from ubuntu_kvm_unit_tests segfault on arm64 with
  linux 6.2

Status in ubuntu-kernel-tests:
  New
Status in linux package in Ubuntu:
  New
Status in linux source package in Lunar:
  New

Bug description:
  2129            21:50:41 INFO |     START    
ubuntu_kvm_unit_tests.debug-wp-migration    
ubuntu_kvm_unit_tests.debug-wp-migration    timestamp=1679867441    
timeout=1800    localtime=Mar 26 21:50:41
  2130            21:50:41 DEBUG| Persistent state client._record_indent now 
set to 2
  2131            21:50:41 DEBUG| Persistent state client.unexpected_reboot now 
set to ('ubuntu_kvm_unit_tests.debug-wp-migration', 
'ubuntu_kvm_unit_tests.debug-wp-migration')
  2132            21:50:41 DEBUG| Waiting for pid 14264 for 1800 seconds
  2133            21:50:41 WARNI| System python is too old, crash handling 
disabled
  2134            21:50:41 DEBUG| Running 'kvm-ok'
  2135            21:50:41 DEBUG| [stdout] INFO: /dev/kvm exists
  2136            21:50:41 DEBUG| [stdout] KVM acceleration can be used
  2137            21:50:41 DEBUG| Running 
'/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/debug-wp-migration'
  2138            21:50:41 DEBUG| [stdout] BUILD_HEAD=d8edb59a
  2139            21:50:43 DEBUG| [stdout] run_migration timeout -k 1s 
--foreground 90s /usr/bin/qemu-system-aarch64 -nodefaults -machine 
virt,gic-version=host -accel kvm -cpu host -device virtio-serial-device -device 
virtconsole,chardev=ctd -chardev testdev,id=ctd -device pci-testdev -display 
none -serial stdio -kernel /tmp/tmp.ydjiVIV5YO -smp 1 -append wp-migration # 
-initrd /tmp/tmp.R76o6gkZWO
  2140            21:50:44 DEBUG| [stdout] Now migrate the VM, then press a key 
to continue...
  2141            21:50:52 DEBUG| [stderr] timeout: the monitored command 
dumped core
  2142            21:50:52 DEBUG| [stderr] /tmp/tmp.I173nEEqOJ: line 141: 14811 
Segmentation fault      timeout -k 1s --foreground 90s 
/usr/bin/qemu-system-aarch64 -nodefaults -machine virt,gic-version=host -accel 
kvm -cpu host -device virtio-serial-device -device virtconsole,chardev=ctd 
-chardev testdev,id=ctd -device pci-testdev -display none -serial stdio -kernel 
/tmp/tmp.ydjiVIV5YO -smp 1 -append wp-migration -initrd /tmp/tmp.R76o6gkZWO 
-chardev socket,id=mon2,path=/tmp/mig-helper-qmp2.rDE5j3Tfbd,server=on,wait=off 
-mon chardev=mon2,mode=control -incoming unix:/tmp/mig-helper-socket.qxSKgRLyHr
  2143            21:50:52 DEBUG| [stdout] FAIL debug-wp-migration (terminated 
on SIGSEGV)

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