Comment 0 for bug 1931960

Issue found in 5.11.0-20.21-generic
This is not a regression since the test was run with the latest hirsute-WIP branch, with upstream tip c986dbe867053 ("x86/vmx: skip error-code delivery tests for #CP").

Test failed with:
  FAIL: Channel Subsystem: measurement block format1: Unaligned MB origin: Program interrupt: expected(21) == received(0)

Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/css'
 BUILD_HEAD=90a7d30e
 timeout -k 1s --foreground 90s /usr/bin/qemu-system-s390x -nodefaults -nographic -machine s390-ccw-virtio,accel=kvm -chardev stdio,id=con0 -device sclpconsole,chardev=con0 -kernel /tmp/tmp.LkcEhiBplC -smp 1 -device virtio-net-ccw # -initrd /tmp/tmp.h0OI9ZY9tV
 qemu-system-s390x: warning: nic virtio-net-ccw.0 has no peer
 INFO: Channel Subsystem: initialize CSS (chsc): General features: 6,7,45,46,47,48,51,108,
 INFO: Channel Subsystem: initialize CSS (chsc): CHSC features: 1,109,
 PASS: Channel Subsystem: initialize CSS (chsc): Store Channel Characteristics
 INFO: Channel Subsystem: enumerate (stsch): Found subchannel 00010000
 INFO: Channel Subsystem: enumerate (stsch): Tested subchannels: 1, I/O subchannels: 1, I/O devices: 1
 PASS: Channel Subsystem: enumerate (stsch): Schid of first I/O device: 0x00010000
 PASS: Channel Subsystem: enable (msch): Enable subchannel 00010000
 INFO: Channel Subsystem: sense (ssch/tsch): stsch: sch 00010000 already enabled
 INFO: Channel Subsystem: sense (ssch/tsch): reserved 0xff cu_type 0x3832 cu_model 0x01 dev_type 0x0000 dev_model 0x00
 PASS: Channel Subsystem: sense (ssch/tsch): cu_type expected 0x3832 got 0x3832
 INFO: Channel Subsystem: measurement block (schm): Extended measurement block available
 PASS: Channel Subsystem: measurement block (schm): Unaligned operand: Program interrupt: expected(21) == received(21)
 PASS: Channel Subsystem: measurement block (schm): Bad flags: Program interrupt: expected(21) == received(21)
 PASS: Channel Subsystem: measurement block (schm): Privilege: Program interrupt: expected(2) == received(2)
 PASS: Channel Subsystem: measurement block (schm): Normal operation: SCHM call without address
 PASS: Channel Subsystem: measurement block format0: Valid MB address and index 0: SSCH measured 10
 PASS: Channel Subsystem: measurement block format0: Valid MB address and index 1: SSCH measured 10
 FAIL: Channel Subsystem: measurement block format1: Unaligned MB origin: Program interrupt: expected(21) == received(0)
 PASS: Channel Subsystem: measurement block format1: Valid MB origin: SSCH measured 10
 SUMMARY: 12 tests, 1 unexpected failures

 EXIT: STATUS=3
 FAIL css (12 tests, 1 unexpected failures)