Bootin with boot option break=premount:
(initramfs) modprobe zfs
[ 45.484502] spl: loading out-of-tree module taints kernel.
[ 45.503302] icp: module license 'CDDL' taints kernel.
[ 45.509218] Disabling lock debugging due to kernel taint
[ 45.709339] ZFS: Loaded module v2.1.2-1ubuntu3, ZFS pool version 5000, ZFS
filesystem version 5
(initramfs) zpool import
[ 48.811749] random: crng init done
pool: rpool
id: 396532089768583635
state: ONLINE
status: The pool was last accessed by another system.
action: The pool can be imported using its name or numeric identifier and
the '-f' flag.
see: https://openzfs.github.io/openzfs-docs/msg/ZFS-8000-EY
config:
rpool ONLINE
sda4 ONLINE
pool: bpool
id: 3142261943073140017
state: ONLINE
status: Some supported features are not enabled on the pool.
(Note that they may be intentionally disabled if the
'compatibility' property is set.)
action: The pool can be imported using its name or numeric identifier, though
some features will not be available without an explicit 'zpool upgrade'.
config:
bpool ONLINE
sda3 ONLINE
(initramfs) zpool import -fN rpool
(initramfs) zpool import -fN bpool
(initramfs) zpool status
pool: bpool
state: ONLINE
scan: scrub repaired 0B in 00:00:55 with 0 errors on Mon Sep 12 19:50:53 2022
config:
NAME STATE READ WRITE CKSUM
bpool ONLINE 0 0 0
sda3 ONLINE 0 0 0
errors: No known data errors
[ 84.038049] BUG: kernel NULL pointer dereference, address: 00000000000006c8
[ 84.046949] #PF: supervisor write access in kernel mode
[ 84.053988] #PF: error_code(0x0002) - not-present page
[ 84.060851] PGD 0 P4D 0
[ 84.065092] Oops: 0002 [#1] SMP PTI
[ 84.070315] CPU: 19 PID: 1636 Comm: zpool Tainted: P O
5.15.0-40-generic #43-Ubuntu
[ 84.081023] Hardware name: Oracle Corporation SUN FIRE X4170 M3 /MOTHER
BOARD ASSEMBL , BIOS 17160400 05/06/2020
[ 84.093456] RIP: 0010:mutex_lock+0x1e/0x40
[ 84.099364] 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
[ 84.121768] RSP: 0018:ffff9fc8b7747b08 EFLAGS: 00010246
[ 84.128829] RAX: 0000000000000000 RBX: ffff8eeaa36bc000 RCX: 0000000000000000
[ 84.137866] RDX: ffff8eeab81298c0 RSI: 0000000000000000 RDI: 00000000000006c8
[ 84.146854] RBP: ffff9fc8b7747b10 R08: ffff8eea87ce49e0 R09: ffff8eea87ce49e0
[ 84.155794] R10: 0000000000000001 R11: 0000000000000000 R12: 00000000000006c8
[ 84.164788] R13: 0000000000000000 R14: 00000000000006c8 R15: 00000000000006e8
[ 84.173762] FS: 00007f5cdf0407c0(0000) GS:ffff8f019fcc0000(0000)
knlGS:0000000000000000
[ 84.183673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 84.191251] CR2: 00000000000006c8 CR3: 0000000120e28005 CR4: 00000000000606e0
[ 84.200216] Call Trace:
[ 84.204480] <TASK>
[ 84.208371] rrw_enter_read_impl+0x29/0x110 [zfs]
[ 84.215182] rrw_enter_read+0x13/0x20 [zfs]
[ 84.221387] rrw_enter+0x1d/0x20 [zfs]
[ 84.227149] dsl_pool_config_enter+0x1d/0x20 [zfs]
[ 84.233921] spa_prop_get+0x98/0x3c0 [zfs]
[ 84.239975] ? spl_kmem_free_impl+0x25/0x30 [spl]
[ 84.246462] ? spl_kmem_free_impl+0x25/0x30 [spl]
[ 84.252856] ? kfree+0x216/0x250
[ 84.257833] ? __cond_resched+0x1a/0x50
[ 84.263395] ? avl_destroy_nodes+0x9e/0xf0 [zavl]
[ 84.269820] ? __cond_resched+0x1a/0x50
[ 84.275313] ? do_raw_spin_unlock+0x9/0x10 [zfs]
[ 84.281805] ? __raw_spin_unlock+0x9/0x10 [zfs]
[ 84.288151] ? spa_deactivate+0x22b/0x320 [zfs]
[ 84.294512] ? do_raw_spin_unlock+0x9/0x10 [zfs]
[ 84.300919] ? __raw_spin_unlock+0x9/0x10 [zfs]
[ 84.307286] ? spa_name_compare+0xe/0x30 [zfs]
[ 84.313588] ? avl_find+0x6b/0xd0 [zavl]
[ 84.319107] zfs_ioc_pool_get_props+0x79/0x140 [zfs]
[ 84.325935] zfsdev_ioctl_common+0x682/0x740 [zfs]
[ 84.332567] ? __check_object_size.part.0+0x4a/0x150
[ 84.339141] ? _copy_from_user+0x2e/0x60
[ 84.344643] zfsdev_ioctl+0x57/0xe0 [zfs]
[ 84.350497] __x64_sys_ioctl+0x91/0xc0
[ 84.355800] do_syscall_64+0x5c/0xc0
[ 84.360864] ? handle_mm_fault+0xd8/0x2c0
[ 84.366387] ? do_user_addr_fault+0x1e3/0x670
[ 84.372196] ? do_syscall_64+0x69/0xc0
[ 84.377409] ? exit_to_user_mode_prepare+0x37/0xb0
[ 84.383643] ? irqentry_exit_to_user_mode+0x9/0x20
[ 84.389891] ? irqentry_exit+0x19/0x30
[ 84.395090] ? exc_page_fault+0x89/0x160
[ 84.400421] ? asm_exc_page_fault+0x8/0x30
[ 84.405911] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 84.412295] RIP: 0033:0x7f5cdf795aff
[ 84.417195] 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
[ 84.438607] RSP: 002b:00007ffe21ac8d40 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[ 84.447548] RAX: ffffffffffffffda RBX: 000055603ed1da80 RCX: 00007f5cdf795aff
[ 84.456015] RDX: 00007ffe21ac8da0 RSI: 0000000000005a27 RDI: 0000000000000003
[ 84.464488] RBP: 00007ffe21acc380 R08: 0000000000000000 R09: 000055603ed50e20
[ 84.472977] R10: 00007f5cdf895390 R11: 0000000000000246 R12: 00007ffe21ac8da0
[ 84.481466] R13: 000055603ed0f320 R14: 0000000000001000 R15: 000055603ed1da80
[ 84.489940] </TASK>
[ 84.493418] Modules linked in: zfs(PO) zunicode(PO) zzstd(O) zlua(O)
zcommon(PO) znvpair(PO) zavl(PO) icp(PO) spl(O) cdc_ether usbnet mii
hid_generic usbhid hid ast i2c_algo_bit drm_vram_helper drm_ttm_helper ttm
drm_kms_helper syscopyarea sysfillrect qla2xxx sysimgblt fb_sys_fops nvme_fc
uas cec nvme_fabrics usb_storage ixgbe rc_core xfrm_algo nvme_core crc32_pclmul
ahci i2c_i801 drm dca scsi_transport_fc libahci lpc_ich i2c_smbus megaraid_sas
mdio
[ 84.539002] CR2: 00000000000006c8
[ 84.543834] ---[ end trace 287cc7541b8f3fac ]---
[ 85.478915] RIP: 0010:mutex_lock+0x1e/0x40
[ 85.483655] 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
[ 85.503753] RSP: 0018:ffff9fc8b7747b08 EFLAGS: 00010246
[ 85.509674] RAX: 0000000000000000 RBX: ffff8eeaa36bc000 RCX: 0000000000000000
[ 85.517514] RDX: ffff8eeab81298c0 RSI: 0000000000000000 RDI: 00000000000006c8
[ 85.525341] RBP: ffff9fc8b7747b10 R08: ffff8eea87ce49e0 R09: ffff8eea87ce49e0
[ 85.533182] R10: 0000000000000001 R11: 0000000000000000 R12: 00000000000006c8
[ 85.541035] R13: 0000000000000000 R14: 00000000000006c8 R15: 00000000000006e8
[ 85.548868] FS: 00007f5cdf0407c0(0000) GS:ffff8f019fcc0000(0000)
knlGS:0000000000000000
[ 85.557682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 85.564162] CR2: 00000000000006c8 CR3: 0000000120e28005 CR4: 00000000000606e0
Killed
(initramfs)
--
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https://bugs.launchpad.net/bugs/1956101
Title:
BUG: kernel NULL pointer dereference, address: 00000000000006c8
Status in zfs-linux package in Ubuntu:
Confirmed
Bug description:
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
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