Comment 4 for bug 1956101

Oops I did it again...

Hi folks,
after moving my zpool to another hardware because of a broken system I got almost the same error with jammy. So it might not be fixed and I still have a problem.

[ 48.494682] ZFS: Loaded module v2.1.2-1ubuntu3, ZFS pool version 5000, ZFS filesystem version 5
Begin: Importing ZFS root pool 'rpool_unencrypted' ... [ 51.538634] BUG: kernel NULL pointer dereference, address: 00000000000006c8
[ 51.545731] #PF: supervisor write access in kernel mode
[ 51.551043] #PF: error_code(0x0002) - not-present page
[ 51.556313] PGD 0 P4D 0
[ 51.558952] Oops: 0002 [#1] SMP PTI
[ 51.562543] CPU: 4 PID: 665 Comm: zpool Tainted: P O 5.15.0-39-generic #42-Ubuntu
[ 51.571448] Hardware name: Oracle Corporation SUN FIRE X4170 M3 /MOTHER BOARD ASSEMBL , BIOS 17160400 05/06/2020
[ 51.582183] RIP: 0010:mutex_lock+0x1e/0x40
[ 51.586384] Code: c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 54 49 89 fc e8 2d ed ff ff 31 c0 65 48 8b 14 25 c0 fb 01 00 <f0> 49 0f b1 14 24 75 06 4c 8b 65 f8 c9 c3 4c 89 e7 e8 ac ff ff ff
[ 51.605298] RSP: 0018:ffffb0128eb03b40 EFLAGS: 00010246
[ 51.610628] RAX: 0000000000000000 RBX: ffff9c23604ac000 RCX: 0000000000000000
[ 51.617868] RDX: ffff9c2361613180 RSI: 0000000000000000 RDI: 00000000000006c8
[ 51.625106] RBP: ffffb0128eb03b48 R08: ffff9c2347e5cda0 R09: ffff9c2347e5cda0
[ 51.632358] R10: 0000000000000001 R11: 0000000000000000 R12: 00000000000006c8
[ 51.639594] R13: 0000000000000000 R14: 00000000000006c8 R15: 00000000000006e8
[ 51.646831] FS: 00007ff929d1e7c0(0000) GS:ffff9c3a5fb00000(0000) knlGS:0000000000000000
[ 51.655035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 51.660878] CR2: 00000000000006c8 CR3: 0000000123c1e006 CR4: 00000000000606e0
[ 51.669603] Call Trace:
[ 51.672157] <TASK>
[ 51.674377] rrw_enter_read_impl+0x29/0x110 [zfs]
[ 51.679459] rrw_enter_read+0x13/0x20 [zfs]
[ 51.683981] rrw_enter+0x1d/0x20 [zfs]
[ 51.688070] dsl_pool_config_enter+0x1d/0x20 [zfs]
[ 51.693186] spa_prop_get+0x98/0x3c0 [zfs]
[ 51.697624] ? spl_kmem_free_impl+0x25/0x30 [spl]
[ 51.702441] ? kfree+0x216/0x250
[ 51.705782] ? __cond_resched+0x1a/0x50
[ 51.709727] ? avl_destroy_nodes+0x9e/0xf0 [zavl]
[ 51.714522] ? __cond_resched+0x1a/0x50
[ 51.718445] ? do_raw_spin_unlock+0x9/0x10 [zfs]
[ 51.723407] ? __raw_spin_unlock+0x9/0x10 [zfs]
[ 51.728307] ? spa_deactivate+0x22b/0x320 [zfs]
[ 51.733181] ? do_raw_spin_unlock+0x9/0x10 [zfs]
[ 51.738138] ? __raw_spin_unlock+0x9/0x10 [zfs]
[ 51.743009] ? spa_name_compare+0xe/0x30 [zfs]
[ 51.747801] ? avl_find+0x6b/0xd0 [zavl]
[ 51.751814] zfs_ioc_pool_get_props+0x79/0x140 [zfs]
[ 51.757145] zfsdev_ioctl_common+0x682/0x740 [zfs]
[ 51.762312] ? __check_object_size.part.0+0x4a/0x150
[ 51.767389] ? _copy_from_user+0x2e/0x60
[ 51.771427] zfsdev_ioctl+0x57/0xe0 [zfs]
[ 51.775802] __x64_sys_ioctl+0x91/0xc0
[ 51.779668] do_syscall_64+0x5c/0xc0
[ 51.783358] ? do_user_addr_fault+0x1e3/0x670
[ 51.787831] ? syscall_exit_to_user_mode+0x27/0x50
[ 51.792729] ? exit_to_user_mode_prepare+0x37/0xb0
[ 51.797635] ? irqentry_exit_to_user_mode+0x9/0x20
[ 51.802524] ? irqentry_exit+0x19/0x30
[ 51.806377] ? exc_page_fault+0x89/0x160
[ 51.810406] ? asm_exc_page_fault+0x8/0x30
[ 51.814610] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 51.819760] RIP: 0033:0x7ff92a473aff
[ 51.823461] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 77 1f 48 8b 44 24 18 64 48 2b 04 25 28 00
[ 51.842366] RSP: 002b:00007fff0a797390 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 51.850070] RAX: ffffffffffffffda RBX: 00005560b332ecb0 RCX: 00007ff92a473aff
[ 51.857302] RDX: 00007fff0a7973f0 RSI: 0000000000005a27 RDI: 0000000000000003
[ 51.864547] RBP: 00007fff0a79a9d0 R08: 0000000000000000 R09: 00005560b3346e70
[ 51.871783] R10: 00005560b3377000 R11: 0000000000000246 R12: 00007fff0a7973f0
[ 51.879019] R13: 00005560b3327320 R14: 0000000000000000 R15: 00005560b332ecb0
[ 51.886259] </TASK>
[ 51.888535] Modules linked in: zfs(PO) zunicode(PO) zzstd(O) zlua(O) zcommon(PO) znvpair(PO) zavl(PO) icp(PO) spl(O) hid_generic cdc_ether usbhid usbnet mii hid i2c_algo_bit drm_vram_helper drm_ttm_helper uas ttm drm_kms_helper syscopyarea usb_storage sysfillrect qla2xxx sysimgblt nvme_fc fb_sys_fops ixgbe nvme_fabrics cec xfrm_algo nvme_core rc_core i2c_i801 ahci dca crc32_pclmul drm libahci i2c_smbus lpc_ich megaraid_sas scsi_transport_fc mdio
[ 51.928267] CR2: 00000000000006c8
[ 51.931728] ---[ end trace ec5e771ef5c762aa ]---
[ 52.061046] RIP: 0010:mutex_lock+0x1e/0x40
[ 52.065232] Code: c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 54 49 89 fc e8 2d ed ff ff 31 c0 65 48 8b 14 25 c0 fb 01 00 <f0> 49 0f b1 14 24 75 06 4c 8b 65 f8 c9 c3 4c 89 e7 e8 ac ff ff ff
[ 52.084144] RSP: 0018:ffffb0128eb03b40 EFLAGS: 00010246
[ 52.089458] RAX: 0000000000000000 RBX: ffff9c23604ac000 RCX: 0000000000000000
[ 52.096682] RDX: ffff9c2361613180 RSI: 0000000000000000 RDI: 00000000000006c8
[ 52.103911] RBP: ffffb0128eb03b48 R08: ffff9c2347e5cda0 R09: ffff9c2347e5cda0
[ 52.111135] R10: 0000000000000001 R11: 0000000000000000 R12: 00000000000006c8
[ 52.118366] R13: 0000000000000000 R14: 00000000000006c8 R15: 00000000000006e8
[ 52.125591] FS: 00007ff929d1e7c0(0000) GS:ffff9c3a5fb00000(0000) knlGS:0000000000000000
[ 52.133789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 52.139619] CR2: 00000000000006c8 CR3: 0000000123c1e006 CR4: 00000000000606e0
Killed