Public bug reported:
I am trying to get rid of the bug#1906476, so I installed a new Ubuntu/Impish
on another Disk with an unencrypted rpool followed the tutorial at
https://openzfs.github.io/openzfs-docs/Getting%20Started/Ubuntu/Ubuntu%2020.04%20Root%20on%20ZFS.html
After installation I copied the most from the encrypted disk to the unencrypted
one via booting from stick, importing encrypted rpool and unencrypted rpool and
using rsync.
The first reboot into the new disk hits another Bug:
[ 0.126013] Kernel command line:
BOOT_IMAGE=/BOOT/ubuntu_1m79i1@/vmlinuz-5.13.0-23-generic
root=ZFS=rpool_unencrypted/ROOT/ubuntu_1m79i1 ro text console=tty0
console=ttyS0,115200n8 nosplash init_on_alloc=0
...
Begin: Running /scripts/local-premount ... done.
[ 66.651432] spl: loading out-of-tree module taints kernel.
[ 66.666011] znvpair: module license 'CDDL' taints kernel.
[ 66.673672] Disabling lock debugging due to kernel taint
[ 66.849345] ZFS: Loaded module v2.0.6-1ubuntu2, ZFS pool version 5000, ZFS
filesystem version 5
Begin: Importing ZFS root pool 'rpool_unencrypted' ... [ 67.920948] BUG:
kernel NULL pointer dereference, address: 00000000000006c8
[ 67.929514] #PF: supervisor write access in kernel mode
[ 67.935991] #PF: error_code(0x0002) - not-present page
[ 67.942355] PGD 0 P4D 0
[ 67.946127] Oops: 0002 [#1] SMP PTI
[ 67.950831] CPU: 5 PID: 341 Comm: zpool Tainted: P O
5.13.0-23-generic #23-Ubuntu
[ 67.960839] Hardware name: Sun Microsystems SUN FIRE X4150/SUN FIRE X4150,
BIOS 1ADQW068 11/16/2010
[ 67.971112] RIP: 0010:mutex_lock+0x1e/0x40
[ 67.976427] 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 cd ec ff ff 31 c0 65 48 8b 14 25 c0 7b 01 00 <f0> 49 0f
b1 14 24 75 06 4c 8b 65 f8 c9 c3 4c 89 e7 e8 ac ff ff ff
[ 67.997696] RSP: 0018:ffffb7a0c0897b08 EFLAGS: 00010246
[ 68.004175] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 68.012565] RDX: ffff8d9654f49700 RSI: 0000000000000000 RDI: 00000000000006c8
[ 68.020937] RBP: ffffb7a0c0897b10 R08: ffff8d9642091d20 R09: ffff8d9642091d20
[ 68.029298] R10: ffff8d9656462400 R11: ffff8d9656462400 R12: 00000000000006c8
[ 68.037658] R13: ffffffffc0841458 R14: 00000000000006e8 R15: 0000000000000000
[ 68.046023] FS: 00007f9315e5f7c0(0000) GS:ffff8d9853d40000(0000)
knlGS:0000000000000000
[ 68.055341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 68.062313] CR2: 00000000000006c8 CR3: 0000000115f48000 CR4: 00000000000006e0
[ 68.070671] Call Trace:
[ 68.074330] rrw_enter_read_impl+0x22/0x100 [zfs]
[ 68.080520] rrw_enter_read+0x13/0x20 [zfs]
[ 68.086096] rrw_enter+0x1d/0x20 [zfs]
[ 68.091202] dsl_pool_config_enter+0x1d/0x20 [zfs]
[ 68.097328] spa_prop_get+0x98/0x3c0 [zfs]
[ 68.102750] ? spl_kmem_free_impl+0x25/0x30 [spl]
[ 68.108601] ? __raw_callee_save___native_queued_spin_unlock+0x15/0x23
[ 68.116274] ? __raw_callee_save___native_queued_spin_unlock+0x15/0x23
[ 68.123923] ? __raw_callee_save___native_queued_spin_unlock+0x15/0x23
[ 68.131555] ? queued_spin_unlock+0x9/0x10 [zfs]
[ 68.137462] ? do_raw_spin_unlock+0x9/0x10 [zfs]
[ 68.143346] ? __raw_spin_unlock+0x9/0x10 [zfs]
[ 68.149140] ? spa_open_common+0x4fd/0x510 [zfs]
[ 68.155013] ? spa_name_compare+0xe/0x30 [zfs]
[ 68.160704] ? avl_find+0x5f/0x90 [zavl]
[ 68.165666] zfs_ioc_pool_get_props+0x79/0x140 [zfs]
[ 68.171864] zfsdev_ioctl_common+0x645/0x6f0 [zfs]
[ 68.177890] ? __check_object_size.part.0+0x4a/0x150
[ 68.183897] ? _copy_from_user+0x2e/0x60
[ 68.188852] zfsdev_ioctl+0x57/0xe0 [zfs]
[ 68.194081] __x64_sys_ioctl+0x91/0xc0
[ 68.198864] do_syscall_64+0x61/0xb0
[ 68.203470] ? handle_mm_fault+0xda/0x2c0
[ 68.208514] ? do_user_addr_fault+0x1d0/0x660
[ 68.213899] ? exit_to_user_mode_prepare+0x37/0xb0
[ 68.219719] ? irqentry_exit_to_user_mode+0x9/0x20
[ 68.225536] ? irqentry_exit+0x19/0x30
[ 68.230279] ? exc_page_fault+0x8f/0x170
[ 68.235169] ? asm_exc_page_fault+0x8/0x30
[ 68.240225] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 68.246237] RIP: 0033:0x7f931644f9cb
[ 68.250769] Code: ff ff ff 85 c0 79 8b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0
41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 35 a4 0f 00 f7 d8 64 89 01 48
[ 68.271548] RSP: 002b:00007fff7de60648 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[ 68.280137] RAX: ffffffffffffffda RBX: 0000555b30942ca0 RCX: 00007f931644f9cb
[ 68.288279] RDX: 00007fff7de60650 RSI: 0000000000005a27 RDI: 0000000000000003
[ 68.296398] RBP: 00007fff7de63c30 R08: 0000555b30955f80 R09: 00007f931654b3d0
[ 68.304489] R10: fffffffffffff000 R11: 0000000000000246 R12: 00007fff7de60650
[ 68.312560] R13: 0000555b3093b320 R14: 0000000000000000 R15: 0000555b30942ca0
[ 68.320627] Modules linked in: zfs(PO) zunicode(PO) zzstd(O) zlua(O)
zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) ses enclosure
scsi_transport_sas uas usb_storage hid_generic ast usbhid drm_vram_helper
i2c_algo_bit hid drm_ttm_helper ttm drm_kms_helper syscopyarea sysfillrect
sysimgblt fb_sys_fops cec rc_core gpio_ich i2c_i801 ahci drm psmouse libahci
pata_acpi i2c_smbus lpc_ich aacraid e1000e
[ 68.359784] CR2: 00000000000006c8
[ 68.364158] ---[ end trace 8157c208a863deb0 ]---
[ 68.369571] RIP: 0010:mutex_lock+0x1e/0x40
[ 68.374431] 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 cd ec ff ff 31 c0 65 48 8b 14 25 c0 7b 01 00 <f0> 49 0f
b1 14 24 75 06 4c 8b 65 f8 c9 c3 4c 89 e7 e8 ac ff ff ff
[ 68.394593] RSP: 0018:ffffb7a0c0897b08 EFLAGS: 00010246
[ 68.400538] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 68.408402] RDX: ffff8d9654f49700 RSI: 0000000000000000 RDI: 00000000000006c8
[ 68.416265] RBP: ffffb7a0c0897b10 R08: ffff8d9642091d20 R09: ffff8d9642091d20
[ 68.424130] R10: ffff8d9656462400 R11: ffff8d9656462400 R12: 00000000000006c8
[ 68.431999] R13: ffffffffc0841458 R14: 00000000000006e8 R15: 0000000000000000
[ 68.439862] FS: 00007f9315e5f7c0(0000) GS:ffff8d9853d40000(0000)
knlGS:0000000000000000
[ 68.448702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 68.455211] CR2: 00000000000006c8 CR3: 0000000115f48000 CR4: 00000000000006e0
Killed
** Affects: zfs-linux (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "Full boot messages"
https://bugs.launchpad.net/bugs/1956101/+attachment/5550498/+files/boot.out
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https://bugs.launchpad.net/bugs/1956101
Title:
BUG: kernel NULL pointer dereference, address: 00000000000006c8
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