** Description changed:

- Issue found on 6.2.0-20.20 ARM64 instances.
+ Issue found on 6.2.0-20.20 ARM64 instances "dazzle" only.
  
- Looks like the memfd:run_fuse_test.sh will never finish properly and the
+ Looks like the efivarfs:efivarfs.sh will never finish properly and the
  whole test will be interrupted abnormally.
  
  Test log:
-  Running 'make run_tests -C memfd TEST_PROGS=run_fuse_test.sh 
TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
-  make: Entering directory 
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/memfd'
+  Running 'make run_tests -C efivarfs TEST_PROGS=efivarfs.sh TEST_GEN_PROGS='' 
TEST_CUSTOM_PROGS='''
+  make: Entering directory 
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/efivarfs'
   TAP version 13
   1..1
-  # selftests: memfd: run_fuse_test.sh
- sut-test TEST SYSTEM FAILURE DETECTED Test results file 
'/home/maas/workspace/lunar-linux-generic-arm64-6.2.0-dazzle-ubuntu_kernel_selftests/kernel-results.xml'
 not found.
+  # selftests: efivarfs: efivarfs.sh
+  # --------------------
+  # running test_create
+  # --------------------
+  Timer expired (5400 sec.), nuking pid 21170
  
  This issue can be found since 6.2.0-19.19
  
- 6.2.0-18.18 works fine:
-  Running 'make run_tests -C memfd TEST_PROGS=run_fuse_test.sh 
TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
-  make: Entering directory 
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/memfd'
-  TAP version 13
-  1..1
-  # selftests: memfd: run_fuse_test.sh
-  # opening: ./mnt/memfd
-  # fuse: DONE
-  ok 1 selftests: memfd: run_fuse_test.sh
-  make: Leaving directory 
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/memfd'
- GOOD    ubuntu_kernel_selftests.memfd:run_fuse_test.sh    
ubuntu_kernel_selftests.memfd:run_fuse_test.sh    timestamp=1679321878    
localtime=Mar 20 14:17:58    completed successfully
+ This node was not tested with 6.2.0-18.18

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https://bugs.launchpad.net/bugs/2015741

Title:
  efivarfs:efivarfs.sh in ubuntu_kernel_selftests crash L-6.2 ARM64 node
  dazzle (rcu_preempt detected stalls)

Status in ubuntu-kernel-tests:
  New
Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Issue found on 6.2.0-20.20 ARM64 instances "dazzle" only.

  Looks like the efivarfs:efivarfs.sh will never finish properly and the
  whole test will be interrupted abnormally.

  Test log:
   Running 'make run_tests -C efivarfs TEST_PROGS=efivarfs.sh TEST_GEN_PROGS='' 
TEST_CUSTOM_PROGS='''
   make: Entering directory 
'/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/efivarfs'
   TAP version 13
   1..1
   # selftests: efivarfs: efivarfs.sh
   # --------------------
   # running test_create
   # --------------------
   Timer expired (5400 sec.), nuking pid 21170

  This issue can be found since 6.2.0-19.19

  This node was not tested with 6.2.0-18.18

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