ff76b0565523319d7c1c0b51d5a5a8915d33efab in ubuntu_btrfs_kernel_fixes generate kernel traces on Cosmic

Bug #1812988 reported by Po-Hsu Lin on 2019-01-23
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ubuntu-kernel-tests
Undecided
Unassigned
linux (Ubuntu)
Undecided
Unassigned
Cosmic
Undecided
Unassigned
linux-kvm (Ubuntu)
Undecided
Unassigned
Cosmic
Undecided
Unassigned

Bug Description

This issue can only be reproduced on certain HW, node "daedalus" (AMD64), "modoc" P8

And this can only be reproduced when running the whole test suite, it will be fine if you just run this test:

  Invoking test ff76b0565523319d7c1c0b51d5a5a8915d33efab

  fix ff76b0565523319d7c1c0b51d5a5a8915d33efab

      Btrfs: Don't allocate inode that is already in use

      Due to an off-by-one error, it is possible to reproduce a bug
      when the inode cache is used.

      The same inode number is assigned twice, the second time this
      leads to an EEXIST in btrfs_insert_empty_items().

  Create subvolume '/tmp/mnt-ff76b0565523319d7c1c0b51d5a5a8915d33efab/s1'
  Create a snapshot of '/tmp/mnt-ff76b0565523319d7c1c0b51d5a5a8915d33efab/s1' in '/tmp/mnt-ff76b0565523319d7c1c0b51d5a5a8915d33efab/s2'
  Create a snapshot of '/tmp/mnt-ff76b0565523319d7c1c0b51d5a5a8915d33efab/s2' in '/tmp/mnt-ff76b0565523319d7c1c0b51d5a5a8915d33efab/s3'

  Found kernel issue:

  [ 2713.591492] WARNING: CPU: 18 PID: 61234 at fs/btrfs/inode.c:9256 btrfs_destroy_inode+0x1d7/0x210 [btrfs]
  [ 2713.591494] Modules linked in: btrfs zstd_compress nls_iso8859_1 ipmi_ssif intel_rapl skx_edac nfit x86_pkg_temp_thermal intel_powerclamp joydev input_leds coretemp kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cstate intel_rapl_perf mei_me mei ioatdma ipmi_si dca ipmi_devintf ipmi_msghandler acpi_pad acpi_power_meter mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear ast i2c_algo_bit ttm hid_generic drm_kms_helper aesni_intel aes_x86_64 syscopyarea usbhid sysfillrect crypto_simd hid sysimgblt cryptd fb_sys_fops ahci glue_helper i40e drm lpc_ich libahci wmi [last unloaded: zstd_compress]
  [ 2713.591577] CPU: 18 PID: 61234 Comm: umount Tainted: G W 4.18.0-14-generic #15-Ubuntu
  [ 2713.591579] Hardware name: Intel Corporation S2600WFD/S2600WFD, BIOS SE5C620.86B.01.00.0412.020920172159 02/09/2017
  [ 2713.591611] RIP: 0010:btrfs_destroy_inode+0x1d7/0x210 [btrfs]
  [ 2713.591612] Code: d0 31 d2 48 89 83 e0 fe ff ff 49 8b 85 e0 03 00 00 48 85 c0 0f 94 c2 e9 4c ff ff ff 0f 0b e9 60 fe ff ff 0f 0b e9 67 fe ff ff <0f> 0b e9 6e fe ff ff 0f 0b e9 75 fe ff ff 0f 0b e9 7c fe ff ff 0f
  [ 2713.591666] RSP: 0018:ffffa966b0bbfc48 EFLAGS: 00010206
  [ 2713.591669] RAX: ffff90c5bf3e6800 RBX: ffff90c5e06bbc30 RCX: 0000000000000000
  [ 2713.591671] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff90c5e06bbc30
  [ 2713.591673] RBP: ffffa966b0bbfc78 R08: 0000000000000001 R09: ffffffffc08fe101
  [ 2713.591674] R10: ffff90c58aac2510 R11: 0000000000000001 R12: ffff90c5e06bbcb8
  [ 2713.591676] R13: ffffffffc0972940 R14: ffff90c5e06bbd88 R15: ffffa966b0bbfd48
  [ 2713.591679] FS: 00007f31837e8080(0000) GS:ffff90c61fa80000(0000) knlGS:0000000000000000
  [ 2713.591681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [ 2713.591682] CR2: 00007f3183b70308 CR3: 000000080167a002 CR4: 00000000007606e0
  [ 2713.591685] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  [ 2713.591686] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  [ 2713.591688] PKRU: 55555554
  [ 2713.591689] Call Trace:
  [ 2713.591702] destroy_inode+0x3e/0x60
  [ 2713.591707] evict+0x139/0x1a0
  [ 2713.591711] iput+0x148/0x210
  [ 2713.591739] free_fs_root+0x1b/0xc0 [btrfs]
  [ 2713.591766] btrfs_drop_and_free_fs_root+0x7c/0xf0 [btrfs]
  [ 2713.591793] btrfs_free_fs_roots+0xdc/0x170 [btrfs]
  [ 2713.591824] ? __btrfs_sysfs_remove_fsid+0x68/0x70 [btrfs]
  [ 2713.591852] close_ctree+0x10c/0x2d0 [btrfs]
  [ 2713.591872] btrfs_put_super+0x15/0x20 [btrfs]
  [ 2713.591878] generic_shutdown_super+0x72/0x110
  [ 2713.591882] kill_anon_super+0x12/0x20
  [ 2713.591904] btrfs_kill_super+0x18/0x110 [btrfs]
  [ 2713.591906] deactivate_locked_super+0x3a/0x80
  [ 2713.591907] deactivate_super+0x51/0x60
  [ 2713.591909] cleanup_mnt+0x3f/0x70
  [ 2713.591910] __cleanup_mnt+0x12/0x20
  [ 2713.591915] task_work_run+0x9d/0xc0
  [ 2713.591920] exit_to_usermode_loop+0xed/0xf0
  [ 2713.591922] do_syscall_64+0xda/0x110
  [ 2713.591924] entry_SYSCALL_64_after_hwframe+0x44/0xa9
  [ 2713.591926] RIP: 0033:0x7f3183c2ce27
  [ 2713.591926] Code: 90 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 39 90 0c 00 f7 d8 64 89 01 48
  [ 2713.591944] RSP: 002b:00007ffea60642a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
  [ 2713.591945] RAX: 0000000000000000 RBX: 00005624087a6500 RCX: 00007f3183c2ce27
  [ 2713.591945] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00005624087a66e0
  [ 2713.591946] RBP: 0000000000000000 R08: 00005624087a7530 R09: 00000000ffffffff
  [ 2713.591946] R10: 000000000000000b R11: 0000000000000246 R12: 00005624087a66e0
  [ 2713.591947] R13: 00007f3183d538c4 R14: 0000000000000000 R15: 00007ffea6064518
  [ 2713.591948] ---[ end trace a2145affe199b49b ]---

  [ 2713.591977] WARNING: CPU: 18 PID: 61234 at fs/btrfs/inode.c:9257 btrfs_destroy_inode+0x1de/0x210 [btrfs]
  [ 2713.591977] Modules linked in: btrfs zstd_compress nls_iso8859_1 ipmi_ssif intel_rapl skx_edac nfit x86_pkg_temp_thermal intel_powerclamp joydev input_leds coretemp kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cstate intel_rapl_perf mei_me mei ioatdma ipmi_si dca ipmi_devintf ipmi_msghandler acpi_pad acpi_power_meter mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear ast i2c_algo_bit ttm hid_generic drm_kms_helper aesni_intel aes_x86_64 syscopyarea usbhid sysfillrect crypto_simd hid sysimgblt cryptd fb_sys_fops ahci glue_helper i40e drm lpc_ich libahci wmi [last unloaded: zstd_compress]
  [ 2713.592014] CPU: 18 PID: 61234 Comm: umount Tainted: G W 4.18.0-14-generic #15-Ubuntu
  [ 2713.592015] Hardware name: Intel Corporation S2600WFD/S2600WFD, BIOS SE5C620.86B.01.00.0412.020920172159 02/09/2017
  [ 2713.592025] RIP: 0010:btrfs_destroy_inode+0x1de/0x210 [btrfs]
  [ 2713.592030] Code: fe ff ff 49 8b 85 e0 03 00 00 48 85 c0 0f 94 c2 e9 4c ff ff ff 0f 0b e9 60 fe ff ff 0f 0b e9 67 fe ff ff 0f 0b e9 6e fe ff ff <0f> 0b e9 75 fe ff ff 0f 0b e9 7c fe ff ff 0f 0b e9 83 fe ff ff 0f
  [ 2713.592175] RSP: 0018:ffffa966b0bbfc48 EFLAGS: 00010206
  [ 2713.592176] RAX: ffff90c5bf3e6800 RBX: ffff90c5e06bbc30 RCX: 0000000000000000
  [ 2713.592176] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff90c5e06bbc30
  [ 2713.592177] RBP: ffffa966b0bbfc78 R08: 0000000000000001 R09: ffffffffc08fe101
  [ 2713.592177] R10: ffff90c58aac2510 R11: 0000000000000001 R12: ffff90c5e06bbcb8
  [ 2713.592178] R13: ffffffffc0972940 R14: ffff90c5e06bbd88 R15: ffffa966b0bbfd48
  [ 2713.592179] FS: 00007f31837e8080(0000) GS:ffff90c61fa80000(0000) knlGS:0000000000000000
  [ 2713.592180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [ 2713.592180] CR2: 00007f3183b70308 CR3: 000000080167a002 CR4: 00000000007606e0
  [ 2713.592181] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  [ 2713.592181] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  [ 2713.592182] PKRU: 55555554
  [ 2713.592182] Call Trace:
  [ 2713.592184] destroy_inode+0x3e/0x60
  [ 2713.592185] evict+0x139/0x1a0
  [ 2713.592187] iput+0x148/0x210
  [ 2713.592196] free_fs_root+0x1b/0xc0 [btrfs]
  [ 2713.592205] btrfs_drop_and_free_fs_root+0x7c/0xf0 [btrfs]
  [ 2713.592213] btrfs_free_fs_roots+0xdc/0x170 [btrfs]
  [ 2713.592224] ? __btrfs_sysfs_remove_fsid+0x68/0x70 [btrfs]
  [ 2713.592233] close_ctree+0x10c/0x2d0 [btrfs]
  [ 2713.592240] btrfs_put_super+0x15/0x20 [btrfs]
  [ 2713.592241] generic_shutdown_super+0x72/0x110
  [ 2713.592242] kill_anon_super+0x12/0x20
  [ 2713.592249] btrfs_kill_super+0x18/0x110 [btrfs]
  [ 2713.592250] deactivate_locked_super+0x3a/0x80
  [ 2713.592251] deactivate_super+0x51/0x60
  [ 2713.592252] cleanup_mnt+0x3f/0x70
  [ 2713.592253] __cleanup_mnt+0x12/0x20
  [ 2713.592254] task_work_run+0x9d/0xc0
  [ 2713.592256] exit_to_usermode_loop+0xed/0xf0
  [ 2713.592257] do_syscall_64+0xda/0x110
  [ 2713.592258] entry_SYSCALL_64_after_hwframe+0x44/0xa9
  [ 2713.592259] RIP: 0033:0x7f3183c2ce27
  [ 2713.592259] Code: 90 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 39 90 0c 00 f7 d8 64 89 01 48
  [ 2713.592277] RSP: 002b:00007ffea60642a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
  [ 2713.592278] RAX: 0000000000000000 RBX: 00005624087a6500 RCX: 00007f3183c2ce27
  [ 2713.592278] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00005624087a66e0
  [ 2713.592279] RBP: 0000000000000000 R08: 00005624087a7530 R09: 00000000ffffffff
  [ 2713.592280] R10: 000000000000000b R11: 0000000000000246 R12: 00005624087a66e0
  [ 2713.592280] R13: 00007f3183d538c4 R14: 0000000000000000 R15: 00007ffea6064518
  [ 2713.592281] ---[ end trace a2145affe199b49c ]---
  [ 2713.592295] WARNING: CPU: 18 PID: 61234 at fs/btrfs/inode.c:9261 btrfs_destroy_inode+0x1fa/0x210 [btrfs]
  [ 2713.592301] Modules linked in: btrfs zstd_compress nls_iso8859_1 ipmi_ssif intel_rapl skx_edac nfit x86_pkg_temp_thermal intel_powerclamp joydev input_leds coretemp kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cstate intel_rapl_perf mei_me mei ioatdma ipmi_si dca ipmi_devintf ipmi_msghandler acpi_pad acpi_power_meter mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear ast i2c_algo_bit ttm hid_generic drm_kms_helper aesni_intel aes_x86_64 syscopyarea usbhid sysfillrect crypto_simd hid sysimgblt cryptd fb_sys_fops ahci glue_helper i40e drm lpc_ich libahci wmi [last unloaded: zstd_compress]
  [ 2713.592323] CPU: 18 PID: 61234 Comm: umount Tainted: G W 4.18.0-14-generic #15-Ubuntu
  [ 2713.592324] Hardware name: Intel Corporation S2600WFD/S2600WFD, BIOS SE5C620.86B.01.00.0412.020920172159 02/09/2017
  [ 2713.592333] RIP: 0010:btrfs_destroy_inode+0x1fa/0x210 [btrfs]
  [ 2713.592334] Code: 0f 0b e9 67 fe ff ff 0f 0b e9 6e fe ff ff 0f 0b e9 75 fe ff ff 0f 0b e9 7c fe ff ff 0f 0b e9 83 fe ff ff 0f 0b e9 8a fe ff ff <0f> 0b e9 91 fe ff ff 0f 0b e9 98 fe ff ff 0f 1f 84 00 00 00 00 00
  [ 2713.592352] RSP: 0018:ffffa966b0bbfc48 EFLAGS: 00010286
  [ 2713.592352] RAX: ffff90c5bf3e6800 RBX: ffff90c5e06bbc30 RCX: 0000000000000000
  [ 2713.592353] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff90c5e06bbc30
  [ 2713.592353] RBP: ffffa966b0bbfc78 R08: 0000000000000001 R09: ffffffffc08fe101
  [ 2713.592354] R10: ffff90c58aac2510 R11: 0000000000000001 R12: ffff90c5e06bbcb8
  [ 2713.592355] R13: ffffffffc0972940 R14: ffff90c5e06bbd88 R15: ffffa966b0bbfd48
  [ 2713.592355] FS: 00007f31837e8080(0000) GS:ffff90c61fa80000(0000) knlGS:0000000000000000
  [ 2713.592356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [ 2713.592357] CR2: 00007f3183b70308 CR3: 000000080167a002 CR4: 00000000007606e0
  [ 2713.592358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  [ 2713.592358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  [ 2713.592359] PKRU: 55555554
  [ 2713.592359] Call Trace:
  [ 2713.592361] destroy_inode+0x3e/0x60
  [ 2713.592362] evict+0x139/0x1a0
  [ 2713.592363] iput+0x148/0x210
  [ 2713.592372] free_fs_root+0x1b/0xc0 [btrfs]
  [ 2713.592381] btrfs_drop_and_free_fs_root+0x7c/0xf0 [btrfs]
  [ 2713.592390] btrfs_free_fs_roots+0xdc/0x170 [btrfs]
  [ 2713.592417] ? __btrfs_sysfs_remove_fsid+0x68/0x70 [btrfs]
  [ 2713.592427] close_ctree+0x10c/0x2d0 [btrfs]
  [ 2713.592434] btrfs_put_super+0x15/0x20 [btrfs]
  [ 2713.592442] generic_shutdown_super+0x72/0x110
  [ 2713.592448] kill_anon_super+0x12/0x20
  [ 2713.592460] btrfs_kill_super+0x18/0x110 [btrfs]
  [ 2713.592468] deactivate_locked_super+0x3a/0x80
  [ 2713.592478] deactivate_super+0x51/0x60
  [ 2713.592484] cleanup_mnt+0x3f/0x70
  [ 2713.592489] __cleanup_mnt+0x12/0x20
  [ 2713.592495] task_work_run+0x9d/0xc0
  [ 2713.592502] exit_to_usermode_loop+0xed/0xf0
  [ 2713.592508] do_syscall_64+0xda/0x110
  [ 2713.592516] entry_SYSCALL_64_after_hwframe+0x44/0xa9
  [ 2713.592521] RIP: 0033:0x7f3183c2ce27
  [ 2713.592526] Code: 90 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 39 90 0c 00 f7 d8 64 89 01 48
  [ 2713.592684] RSP: 002b:00007ffea60642a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
  [ 2713.592685] RAX: 0000000000000000 RBX: 00005624087a6500 RCX: 00007f3183c2ce27
  [ 2713.592685] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00005624087a66e0
  [ 2713.592686] RBP: 0000000000000000 R08: 00005624087a7530 R09: 00000000ffffffff
  [ 2713.592686] R10: 000000000000000b R11: 0000000000000246 R12: 00005624087a66e0
  [ 2713.592687] R13: 00007f3183d538c4 R14: 0000000000000000 R15: 00007ffea6064518
  [ 2713.592688] ---[ end trace a2145affe199b49d ]---
  [ 2713.624014] WARNING: CPU: 18 PID: 61234 at fs/btrfs/extent-tree.c:9902 btrfs_free_block_groups+0x256/0x380 [btrfs]
  [ 2713.624015] Modules linked in: btrfs zstd_compress nls_iso8859_1 ipmi_ssif intel_rapl skx_edac nfit x86_pkg_temp_thermal intel_powerclamp joydev input_leds coretemp kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cstate intel_rapl_perf mei_me mei ioatdma ipmi_si dca ipmi_devintf ipmi_msghandler acpi_pad acpi_power_meter mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_tables x_tables autofs4 raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear ast i2c_algo_bit ttm hid_generic drm_kms_helper aesni_intel aes_x86_64 syscopyarea usbhid sysfillrect crypto_simd hid sysimgblt cryptd fb_sys_fops ahci glue_helper i40e drm lpc_ich libahci wmi [last unloaded: zstd_compress]
  [ 2713.624077] CPU: 18 PID: 61234 Comm: umount Tainted: G W 4.18.0-14-generic #15-Ubuntu
  [ 2713.624078] Hardware name: Intel Corporation S2600WFD/S2600WFD, BIOS SE5C620.86B.01.00.0412.020920172159 02/09/2017
  [ 2713.624097] RIP: 0010:btrfs_free_block_groups+0x256/0x380 [btrfs]
  [ 2713.624098] Code: 00 48 89 c6 48 89 45 d0 48 8b 83 40 cb 00 00 48 39 c6 0f 84 ac 00 00 00 4c 8b ab 40 cb 00 00 49 83 7d 90 00 0f 84 ab 00 00 00 <0f> 0b 31 c9 49 8d b5 78 ff ff ff 31 d2 48 89 df e8 85 41 ff ff 49
  [ 2713.624139] RSP: 0018:ffffa966b0bbfd80 EFLAGS: 00010206
  [ 2713.624141] RAX: ffff90c61539c288 RBX: ffff90c5c4770000 RCX: 0000000082000175
  [ 2713.624142] RDX: 0000000082000176 RSI: 0000000000000001 RDI: ffff90c61f007c00
  [ 2713.624143] RBP: ffffa966b0bbfdb0 R08: 0000000000000000 R09: ffffffffb7c14400
  [ 2713.624145] R10: ffff90c61979a848 R11: 0000000000000001 R12: ffff90c61539e180
  [ 2713.624146] R13: ffff90c61539c288 R14: ffff90c61539e1f8 R15: 0000000000000000
  [ 2713.624148] FS: 00007f31837e8080(0000) GS:ffff90c61fa80000(0000) knlGS:0000000000000000
  [ 2713.624150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [ 2713.624151] CR2: 00007f3183b70308 CR3: 000000080167a002 CR4: 00000000007606e0
  [ 2713.624153] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  [ 2713.624154] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  [ 2713.624155] PKRU: 55555554
  [ 2713.624156] Call Trace:
  [ 2713.624179] close_ctree+0x134/0x2d0 [btrfs]
  [ 2713.624195] btrfs_put_super+0x15/0x20 [btrfs]
  [ 2713.624202] generic_shutdown_super+0x72/0x110
  [ 2713.624205] kill_anon_super+0x12/0x20
  [ 2713.624220] btrfs_kill_super+0x18/0x110 [btrfs]
  [ 2713.624223] deactivate_locked_super+0x3a/0x80
  [ 2713.624226] deactivate_super+0x51/0x60
  [ 2713.624230] cleanup_mnt+0x3f/0x70
  [ 2713.624232] __cleanup_mnt+0x12/0x20
  [ 2713.624236] task_work_run+0x9d/0xc0
  [ 2713.624243] exit_to_usermode_loop+0xed/0xf0
  [ 2713.624246] do_syscall_64+0xda/0x110
  [ 2713.624251] entry_SYSCALL_64_after_hwframe+0x44/0xa9
  [ 2713.624253] RIP: 0033:0x7f3183c2ce27
  [ 2713.624253] Code: 90 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 39 90 0c 00 f7 d8 64 89 01 48
  [ 2713.624293] RSP: 002b:00007ffea60642a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
  [ 2713.624296] RAX: 0000000000000000 RBX: 00005624087a6500 RCX: 00007f3183c2ce27
  [ 2713.624297] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00005624087a66e0
  [ 2713.624298] RBP: 0000000000000000 R08: 00005624087a7530 R09: 00000000ffffffff
  [ 2713.624299] R10: 000000000000000b R11: 0000000000000246 R12: 00005624087a66e0
  [ 2713.624300] R13: 00007f3183d538c4 R14: 0000000000000000 R15: 00007ffea6064518
  [ 2713.624303] ---[ end trace a2145affe199b49e ]---
  [ 2713.624307] BTRFS info (device loop2): space_info 4 has 38993920 free, is not full
  [ 2713.624309] BTRFS info (device loop2): space_info total=67108864, used=27541504, pinned=0, reserved=0, may_use=507904, readonly=65536
  [ 2713.687567] Test ff76b0565523319d7c1c0b51d5a5a8915d33efab returned 0

  FAIL: ff76b0565523319d7c1c0b51d5a5a8915d33efab (ret=1)

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: linux-image-4.18.0-14-generic 4.18.0-14.15
ProcVersionSignature: User Name 4.18.0-14.15-generic 4.18.20
Uname: Linux 4.18.0-14-generic x86_64
AlsaDevices:
 total 0
 crw-rw---- 1 root audio 116, 1 Jan 23 09:57 seq
 crw-rw---- 1 root audio 116, 33 Jan 23 09:57 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay'
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord'
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CurrentDmesg:

Date: Wed Jan 23 10:50:07 2019
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig': 'iwconfig'
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 004: ID 0b1f:03e9 Insyde Software Corp.
 Bus 001 Device 002: ID 0000:0001
 Bus 001 Device 003: ID 04b3:3025 IBM Corp. NetVista Full Width Keyboard
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Intel Corporation S2600WFD
PciMultimedia:

ProcFB: 0 astdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-14-generic root=UUID=563bd4b4-a3f8-40e8-b441-680d3d71eec7 ro console=ttyS0,115200n8
RelatedPackageVersions:
 linux-restricted-modules-4.18.0-14-generic N/A
 linux-backports-modules-4.18.0-14-generic N/A
 linux-firmware 1.175.1
RfKill: Error: [Errno 2] No such file or directory: 'rfkill': 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/09/2017
dmi.bios.vendor: Intel Corporation
dmi.bios.version: SE5C620.86B.01.00.0412.020920172159
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: S2600WFD
dmi.board.vendor: Intel Corporation
dmi.board.version: J46732-611
dmi.chassis.asset.tag: ....................
dmi.chassis.type: 23
dmi.chassis.vendor: ...............................
dmi.chassis.version: ..................
dmi.modalias: dmi:bvnIntelCorporation:bvrSE5C620.86B.01.00.0412.020920172159:bd02/09/2017:svnIntelCorporation:pnS2600WFD:pvr....................:rvnIntelCorporation:rnS2600WFD:rvrJ46732-611:cvn...............................:ct23:cvr..................:
dmi.product.family: Family
dmi.product.name: S2600WFD
dmi.product.sku: SKU Number
dmi.product.version: ....................
dmi.sys.vendor: Intel Corporation

Po-Hsu Lin (cypressyew) wrote :

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1812988

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
Po-Hsu Lin (cypressyew) wrote :

Found on Cosmic i386 node pepe

tags: added: i386
Po-Hsu Lin (cypressyew) on 2019-05-02
Changed in linux (Ubuntu):
status: Incomplete → Confirmed
Po-Hsu Lin (cypressyew) wrote :

This issue does not exist on Disco.

Also, for the test result in the recent cycle, it has passed with Cosmic AMD64 (node "daedalus"), but failed with i386 (node "pepe") and PowerPC (P8 node "modoc" and P9 node "baltar")

Po-Hsu Lin (cypressyew) wrote :

I found this issue on B-hwe 4.18, node "gonzo" (passed on another node amaura)

Po-Hsu Lin (cypressyew) on 2019-06-19
tags: added: sru-20190603
Po-Hsu Lin (cypressyew) wrote :

For the KVM kernel,
the kernel trace is a bit different, but just like description here, it will pass when you just run this test alone.

https://pastebin.ubuntu.com/p/j6GtqdnDVR/

Po-Hsu Lin (cypressyew) on 2019-06-24
tags: added: linux-kvm ubuntu-btrfs-kernel-fixes
Po-Hsu Lin (cypressyew) wrote :

For Cosmic generic kernel, it has passed on amd64 node amaura, but failed with amd64 node gonzo.

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