Public bug reported:

These tests have failed with the same error message:
process_vm_writev02.c:176: process_vm_readv: errno=ENOSYS(38): Function not 
implemented

<<<test_start>>>
tag=process_vm_writev02 stime=1539247288
cmdline="process_vm_writev02"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
process_vm_writev02    0  TINFO  :  child 0: memory allocated.
process_vm_writev02    0  TINFO  :  child 2: write to the same memory location.
process_vm_writev02    1  TFAIL  :  process_vm_writev02.c:176: 
process_vm_readv: errno=ENOSYS(38): Function not implemented
process_vm_writev02    1  TFAIL  :  process_vm_writev02.c:96: child 1 returns 
256
process_vm_writev02    1  TFAIL  :  process_vm_writev02.c:142: child 0: got 
99609 incorrect bytes.
process_vm_writev02    2  TFAIL  :  process_vm_writev02.c:103: child 0 returns 
256
<<<execution_status>>>

<<<test_start>>>
tag=process_vm_readv02 stime=1539246934
cmdline="process_vm_readv02"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
process_vm_readv02    0  TINFO  :  child 0: memory allocated and initialized.
process_vm_readv02    0  TINFO  :  child 1: reading string from same memory 
location.
process_vm_readv02    1  TFAIL  :  process_vm_readv02.c:139: process_vm_readv: 
errno=ENOSYS(38): Function not implemented
process_vm_readv02    1  TFAIL  :  process_vm_readv02.c:83: child 1 returns 256
<<<execution_status>>>
initiation_status="ok"
duration=1 termination_type=exited termination_id=1 corefile=no
cutime=0 cstime=0
<<<test_end>>>

<<<test_start>>>
tag=process_vm_readv03 stime=1539247249
cmdline="process_vm_readv03"
contacts=""
analysis=exit
<<<test_output>>>
incrementing stop
process_vm_readv03    0  TINFO  :  child 0: 10 iovecs allocated and initialized.
process_vm_readv03    1  TFAIL  :  process_vm_readv03.c:185: process_vm_readv: 
errno=ENOSYS(38): Function not implemented
process_vm_readv03    1  TFAIL  :  process_vm_readv03.c:102: child 1 returns 256
<<<execution_status>>>

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-1036-kvm 4.4.0-1036.42
ProcVersionSignature: User Name 4.4.0-1036.42-kvm 4.4.155
Uname: Linux 4.4.0-1036-kvm x86_64
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
Date: Thu Oct 11 08:33:03 2018
SourcePackage: linux-kvm
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug package-from-proposed uec-images xenial

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https://bugs.launchpad.net/bugs/1797331

Title:
  process_vm_writev02 / process_vm_readv02 /  process_vm_readv03 failed
  with X-KVM

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