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[Bug 2110595] [NEW] plucky: ubuntu_ltp_kernel_misc:zram01 fails on specific instances

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Mehmet Basaran <2110595@xxxxxxxxxxxxxxxxxx>
Date: Tue, 13 May 2025 22:30:29 -0000
Reply-to: Bug 2110595 <2110595@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx
Public bug reported:

ubuntu_ltp_kernel_misc:zram01 fails on plucky (6.14.0-13.13 - 6.14.0-17.17) for the following instances:
helo|P10rain-LPAR02kernel|P9g-LPAR02kernel|arm-server


17543   Running tests.......
17544   zram01 1 TINFO: Running: zram01.sh
17545   zram01 1 TINFO: Tested kernel: Linux P10rain-LPAR02kernel 6.14.0-17-generic #17-Ubuntu SMP Thu May 1 11:26:35 UTC 2025 ppc64le ppc64le ppc64le GNU/Linux
17546   zram01 1 TINFO: Using /tmp/ltp-8w24SSkB62/LTP_zram01.Q0p1ogrtFE as tmpdir (tmpfs filesystem)
17547   zram01 1 TINFO: timeout per run is 0h 5m 0s
17548   tst_supported_fs_types.c:96: TINFO: Kernel supports ext2
17549   tst_supported_fs_types.c:61: TINFO: mkfs.ext2 does exist
17550   tst_supported_fs_types.c:96: TINFO: Kernel supports ext3
17551   tst_supported_fs_types.c:61: TINFO: mkfs.ext3 does exist
17552   tst_supported_fs_types.c:96: TINFO: Kernel supports ext4
17553   tst_supported_fs_types.c:61: TINFO: mkfs.ext4 does exist
17554   tst_supported_fs_types.c:96: TINFO: Kernel supports xfs
17555   tst_supported_fs_types.c:61: TINFO: mkfs.xfs does exist
17556   tst_supported_fs_types.c:96: TINFO: Kernel supports btrfs
17557   tst_supported_fs_types.c:61: TINFO: mkfs.btrfs does exist
17558   tst_supported_fs_types.c:96: TINFO: Kernel supports bcachefs
17559   tst_supported_fs_types.c:57: TINFO: mkfs.bcachefs does not exist
17560   tst_supported_fs_types.c:96: TINFO: Kernel supports vfat
17561   tst_supported_fs_types.c:61: TINFO: mkfs.vfat does exist
17562   tst_supported_fs_types.c:96: TINFO: Kernel supports exfat
17563   tst_supported_fs_types.c:61: TINFO: mkfs.exfat does exist
17564   tst_supported_fs_types.c:168: TINFO: Skipping tmpfs as requested by the test
17565   zram01 1 TINFO: timeout per run is 0h 52m 30s
17566   zram01 1 TINFO: create '7' zram device(s)
17567   zram01 1 TPASS: all zram devices (/dev/zram0~6) successfully created
17568   zram01 1 TCONF: The device attribute max_comp_streams was introduced in kernel 3.15 and deprecated in 4.7
17569   zram01 2 TINFO: test that we can set compression algorithm
17570   zram01 2 TINFO: supported algs: lzo-rle lzo lz4 lz4hc zstd deflate 842
17571   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = 'lzo-rle'
17572   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = 'lzo'
17573   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = 'lz4'
17574   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = 'lz4hc'
17575   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = 'zstd'
17576   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = 'deflate'
17577   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = '842'
17578   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = 'lzo-rle'
17579   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = 'lzo'
17580   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = 'lz4'
17581   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = 'lz4hc'
17582   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = 'zstd'
17583   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = 'deflate'
17584   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = '842'
17585   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = 'lzo-rle'
17586   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = 'lzo'
17587   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = 'lz4'
17588   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = 'lz4hc'
17589   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = 'zstd'
17590   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = 'deflate'
17591   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = '842'
17592   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = 'lzo-rle'
17593   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = 'lzo'
17594   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = 'lz4'
17595   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = 'lz4hc'
17596   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = 'zstd'
17597   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = 'deflate'
17598   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = '842'
17599   zram01 2 TINFO: /sys/block/zram4/comp_algorithm = 'lzo-rle'
17600   zram01 2 TINFO: /sys/block/zram4/comp_algorithm = 'lzo'
17601   zram01 2 TINFO: /sys/block/zram4/comp_algorithm = 'lz4'
17602   zram01 2 TINFO: /sys/block/zram4/comp_algorithm = 'lz4hc'
17603   zram01 2 TINFO: /sys/block/zram4/comp_algorithm = 'zstd'
17604   zram01 2 TINFO: /sys/block/zram4/comp_algorithm = 'deflate'
17605   zram01 2 TINFO: /sys/block/zram4/comp_algorithm = '842'
17606   zram01 2 TINFO: /sys/block/zram5/comp_algorithm = 'lzo-rle'
17607   zram01 2 TINFO: /sys/block/zram5/comp_algorithm = 'lzo'
17608   zram01 2 TINFO: /sys/block/zram5/comp_algorithm = 'lz4'
17609   zram01 2 TINFO: /sys/block/zram5/comp_algorithm = 'lz4hc'
17610   zram01 2 TINFO: /sys/block/zram5/comp_algorithm = 'zstd'
17611   zram01 2 TINFO: /sys/block/zram5/comp_algorithm = 'deflate'
17612   zram01 2 TINFO: /sys/block/zram5/comp_algorithm = '842'
17613   zram01 2 TINFO: /sys/block/zram6/comp_algorithm = 'lzo-rle'
17614   zram01 2 TINFO: /sys/block/zram6/comp_algorithm = 'lzo'
17615   zram01 2 TINFO: /sys/block/zram6/comp_algorithm = 'lz4'
17616   zram01 2 TINFO: /sys/block/zram6/comp_algorithm = 'lz4hc'
17617   zram01 2 TINFO: /sys/block/zram6/comp_algorithm = 'zstd'
17618   zram01 2 TINFO: /sys/block/zram6/comp_algorithm = 'deflate'
17619   zram01 2 TINFO: /sys/block/zram6/comp_algorithm = '842'
17620   zram01 2 TPASS: test succeeded
17621   zram01 3 TINFO: set disk size to zram device(s)
17622   zram01 3 TINFO: /sys/block/zram0/disksize = '26214400'
17623   zram01 3 TINFO: /sys/block/zram1/disksize = '26214400'
17624   zram01 3 TINFO: /sys/block/zram2/disksize = '26214400'
17625   zram01 3 TINFO: /sys/block/zram3/disksize = '314572800'
17626   zram01 3 TINFO: /sys/block/zram4/disksize = '402653184'
17627   zram01 3 TINFO: /sys/block/zram5/disksize = '26214400'
17628   zram01 3 TINFO: /sys/block/zram6/disksize = '26214400'
17629   zram01 3 TPASS: test succeeded
17630   zram01 4 TINFO: set memory limit to zram device(s)
17631   zram01 4 TINFO: /sys/block/zram0/mem_limit = '25M'
17632   zram01 4 TINFO: /sys/block/zram1/mem_limit = '25M'
17633   zram01 4 TINFO: /sys/block/zram2/mem_limit = '25M'
17634   zram01 4 TINFO: /sys/block/zram3/mem_limit = '300M'
17635   zram01 4 TINFO: /sys/block/zram4/mem_limit = '384M'
17636   zram01 4 TINFO: /sys/block/zram5/mem_limit = '25M'
17637   zram01 4 TINFO: /sys/block/zram6/mem_limit = '25M'
17638   zram01 4 TPASS: test succeeded
17639   zram01 5 TINFO: make ext2 filesystem on /dev/zram0
17640   zram01 5 TINFO: make ext3 filesystem on /dev/zram1
17641   zram01 5 TINFO: make ext4 filesystem on /dev/zram2
17642   zram01 5 TINFO: make xfs filesystem on /dev/zram3
17643   zram01 5 TINFO: make btrfs filesystem on /dev/zram4
17644   zram01 5 TINFO: make vfat filesystem on /dev/zram5
17645   zram01 5 TINFO: make exfat filesystem on /dev/zram6
17646   cluster size (4096 bytes) is smaller than sector size (65536 bytes)
17647  
17648   exFAT format fail!
17649   exfatprogs version : 1.2.8
17650   zram01 5 TFAIL: Failed to make exfat on /dev/zram6
17651   zram01 5 TBROK: Can't continue with mounting the FS
17652   zram01 5 TINFO: AppArmor enabled, this may affect test results
17653   zram01 5 TINFO: it can be disabled with TST_DISABLE_APPARMOR=1 (requires super/root)
17654   zram01 5 TINFO: loaded AppArmor profiles: dd
17655  
17656   Summary:
17657   passed 4
17658   failed 1
17659   broken 1
17660   skipped 1
17661   warnings 0

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

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https://bugs.launchpad.net/bugs/2110595

Title:
  plucky: ubuntu_ltp_kernel_misc:zram01 fails on specific instances

Status in ubuntu-kernel-tests:
  New

Bug description:
  ubuntu_ltp_kernel_misc:zram01 fails on plucky (6.14.0-13.13 - 6.14.0-17.17) for the following instances:
  helo|P10rain-LPAR02kernel|P9g-LPAR02kernel|arm-server

  
  17543   Running tests.......
  17544   zram01 1 TINFO: Running: zram01.sh
  17545   zram01 1 TINFO: Tested kernel: Linux P10rain-LPAR02kernel 6.14.0-17-generic #17-Ubuntu SMP Thu May 1 11:26:35 UTC 2025 ppc64le ppc64le ppc64le GNU/Linux
  17546   zram01 1 TINFO: Using /tmp/ltp-8w24SSkB62/LTP_zram01.Q0p1ogrtFE as tmpdir (tmpfs filesystem)
  17547   zram01 1 TINFO: timeout per run is 0h 5m 0s
  17548   tst_supported_fs_types.c:96: TINFO: Kernel supports ext2
  17549   tst_supported_fs_types.c:61: TINFO: mkfs.ext2 does exist
  17550   tst_supported_fs_types.c:96: TINFO: Kernel supports ext3
  17551   tst_supported_fs_types.c:61: TINFO: mkfs.ext3 does exist
  17552   tst_supported_fs_types.c:96: TINFO: Kernel supports ext4
  17553   tst_supported_fs_types.c:61: TINFO: mkfs.ext4 does exist
  17554   tst_supported_fs_types.c:96: TINFO: Kernel supports xfs
  17555   tst_supported_fs_types.c:61: TINFO: mkfs.xfs does exist
  17556   tst_supported_fs_types.c:96: TINFO: Kernel supports btrfs
  17557   tst_supported_fs_types.c:61: TINFO: mkfs.btrfs does exist
  17558   tst_supported_fs_types.c:96: TINFO: Kernel supports bcachefs
  17559   tst_supported_fs_types.c:57: TINFO: mkfs.bcachefs does not exist
  17560   tst_supported_fs_types.c:96: TINFO: Kernel supports vfat
  17561   tst_supported_fs_types.c:61: TINFO: mkfs.vfat does exist
  17562   tst_supported_fs_types.c:96: TINFO: Kernel supports exfat
  17563   tst_supported_fs_types.c:61: TINFO: mkfs.exfat does exist
  17564   tst_supported_fs_types.c:168: TINFO: Skipping tmpfs as requested by the test
  17565   zram01 1 TINFO: timeout per run is 0h 52m 30s
  17566   zram01 1 TINFO: create '7' zram device(s)
  17567   zram01 1 TPASS: all zram devices (/dev/zram0~6) successfully created
  17568   zram01 1 TCONF: The device attribute max_comp_streams was introduced in kernel 3.15 and deprecated in 4.7
  17569   zram01 2 TINFO: test that we can set compression algorithm
  17570   zram01 2 TINFO: supported algs: lzo-rle lzo lz4 lz4hc zstd deflate 842
  17571   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = 'lzo-rle'
  17572   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = 'lzo'
  17573   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = 'lz4'
  17574   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = 'lz4hc'
  17575   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = 'zstd'
  17576   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = 'deflate'
  17577   zram01 2 TINFO: /sys/block/zram0/comp_algorithm = '842'
  17578   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = 'lzo-rle'
  17579   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = 'lzo'
  17580   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = 'lz4'
  17581   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = 'lz4hc'
  17582   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = 'zstd'
  17583   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = 'deflate'
  17584   zram01 2 TINFO: /sys/block/zram1/comp_algorithm = '842'
  17585   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = 'lzo-rle'
  17586   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = 'lzo'
  17587   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = 'lz4'
  17588   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = 'lz4hc'
  17589   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = 'zstd'
  17590   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = 'deflate'
  17591   zram01 2 TINFO: /sys/block/zram2/comp_algorithm = '842'
  17592   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = 'lzo-rle'
  17593   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = 'lzo'
  17594   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = 'lz4'
  17595   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = 'lz4hc'
  17596   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = 'zstd'
  17597   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = 'deflate'
  17598   zram01 2 TINFO: /sys/block/zram3/comp_algorithm = '842'
  17599   zram01 2 TINFO: /sys/block/zram4/comp_algorithm = 'lzo-rle'
  17600   zram01 2 TINFO: /sys/block/zram4/comp_algorithm = 'lzo'
  17601   zram01 2 TINFO: /sys/block/zram4/comp_algorithm = 'lz4'
  17602   zram01 2 TINFO: /sys/block/zram4/comp_algorithm = 'lz4hc'
  17603   zram01 2 TINFO: /sys/block/zram4/comp_algorithm = 'zstd'
  17604   zram01 2 TINFO: /sys/block/zram4/comp_algorithm = 'deflate'
  17605   zram01 2 TINFO: /sys/block/zram4/comp_algorithm = '842'
  17606   zram01 2 TINFO: /sys/block/zram5/comp_algorithm = 'lzo-rle'
  17607   zram01 2 TINFO: /sys/block/zram5/comp_algorithm = 'lzo'
  17608   zram01 2 TINFO: /sys/block/zram5/comp_algorithm = 'lz4'
  17609   zram01 2 TINFO: /sys/block/zram5/comp_algorithm = 'lz4hc'
  17610   zram01 2 TINFO: /sys/block/zram5/comp_algorithm = 'zstd'
  17611   zram01 2 TINFO: /sys/block/zram5/comp_algorithm = 'deflate'
  17612   zram01 2 TINFO: /sys/block/zram5/comp_algorithm = '842'
  17613   zram01 2 TINFO: /sys/block/zram6/comp_algorithm = 'lzo-rle'
  17614   zram01 2 TINFO: /sys/block/zram6/comp_algorithm = 'lzo'
  17615   zram01 2 TINFO: /sys/block/zram6/comp_algorithm = 'lz4'
  17616   zram01 2 TINFO: /sys/block/zram6/comp_algorithm = 'lz4hc'
  17617   zram01 2 TINFO: /sys/block/zram6/comp_algorithm = 'zstd'
  17618   zram01 2 TINFO: /sys/block/zram6/comp_algorithm = 'deflate'
  17619   zram01 2 TINFO: /sys/block/zram6/comp_algorithm = '842'
  17620   zram01 2 TPASS: test succeeded
  17621   zram01 3 TINFO: set disk size to zram device(s)
  17622   zram01 3 TINFO: /sys/block/zram0/disksize = '26214400'
  17623   zram01 3 TINFO: /sys/block/zram1/disksize = '26214400'
  17624   zram01 3 TINFO: /sys/block/zram2/disksize = '26214400'
  17625   zram01 3 TINFO: /sys/block/zram3/disksize = '314572800'
  17626   zram01 3 TINFO: /sys/block/zram4/disksize = '402653184'
  17627   zram01 3 TINFO: /sys/block/zram5/disksize = '26214400'
  17628   zram01 3 TINFO: /sys/block/zram6/disksize = '26214400'
  17629   zram01 3 TPASS: test succeeded
  17630   zram01 4 TINFO: set memory limit to zram device(s)
  17631   zram01 4 TINFO: /sys/block/zram0/mem_limit = '25M'
  17632   zram01 4 TINFO: /sys/block/zram1/mem_limit = '25M'
  17633   zram01 4 TINFO: /sys/block/zram2/mem_limit = '25M'
  17634   zram01 4 TINFO: /sys/block/zram3/mem_limit = '300M'
  17635   zram01 4 TINFO: /sys/block/zram4/mem_limit = '384M'
  17636   zram01 4 TINFO: /sys/block/zram5/mem_limit = '25M'
  17637   zram01 4 TINFO: /sys/block/zram6/mem_limit = '25M'
  17638   zram01 4 TPASS: test succeeded
  17639   zram01 5 TINFO: make ext2 filesystem on /dev/zram0
  17640   zram01 5 TINFO: make ext3 filesystem on /dev/zram1
  17641   zram01 5 TINFO: make ext4 filesystem on /dev/zram2
  17642   zram01 5 TINFO: make xfs filesystem on /dev/zram3
  17643   zram01 5 TINFO: make btrfs filesystem on /dev/zram4
  17644   zram01 5 TINFO: make vfat filesystem on /dev/zram5
  17645   zram01 5 TINFO: make exfat filesystem on /dev/zram6
  17646   cluster size (4096 bytes) is smaller than sector size (65536 bytes)
  17647  
  17648   exFAT format fail!
  17649   exfatprogs version : 1.2.8
  17650   zram01 5 TFAIL: Failed to make exfat on /dev/zram6
  17651   zram01 5 TBROK: Can't continue with mounting the FS
  17652   zram01 5 TINFO: AppArmor enabled, this may affect test results
  17653   zram01 5 TINFO: it can be disabled with TST_DISABLE_APPARMOR=1 (requires super/root)
  17654   zram01 5 TINFO: loaded AppArmor profiles: dd
  17655  
  17656   Summary:
  17657   passed 4
  17658   failed 1
  17659   broken 1
  17660   skipped 1
  17661   warnings 0

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