Public bug reported:
When shutting down Ubuntu noble desktop on my Pi 5, I consistently see
the following kernel errors briefly flash by before the machine shuts
down:
kernel: spl: loading out-of-tree module taints kernel.
kernel: zfs: module license 'CDDL' taints kernel.
kernel: Disabling lock debugging due to kernel taint
kernel: zfs: module license taints kernel.
kernel: warning: `sssd' uses wireless extensions which will stop working for
Wi-Fi 7 hardware; use nl80211
kernel: rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
3-.... } 21 jiffies s: 1069 root: 0x8/.
kernel: rcu: blocking rcu_node structures (internal RCU debug):
kernel: Sending NMI from CPU 0 to CPUs 3:
kernel: NMI backtrace for cpu 3
kernel: CPU: 3 PID: 2587 Comm: modprobe Tainted: P C OE
6.8.0-1002-raspi #2-Ubuntu
kernel: Hardware name: Raspberry Pi 5 Model B Rev 1.0 (DT)
kernel: pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
kernel: pc : sha256_generic+0x2e8/0x10f0 [zfs]
kernel: lr : sha256_generic+0x74/0x10f0 [zfs]
kernel: sp : ffff80008389b530
kernel: x29: ffff80008389b610 x28: 0000000000000020 x27: 0000000030cb87d6
kernel: x26: 0000000094167d04 x25: 000000001f181b79 x24: 00000000744284b5
kernel: x23: 00000000d7aa2aa2 x22: 000000009f4c26c4 x21: 000000006c0c81ee
kernel: x20: 0000000008800200 x19: 0000000024378176 x18: 000000006617aa55
kernel: x17: ba448af2b8b7d59f x16: 0000000056020089 x15: 000000003260389f
kernel: x14: 000000000b8e0f17 x13: 00000000bc12729b x12: ffff000073d5aafc
kernel: x11: 00000000c2299b63 x10: 0000000053710f11 x9 : 000000009e42204d
kernel: x8 : 000000004640c118 x7 : 00000000d5eb7d70 x6 : 000000005405775e
kernel: x5 : 000000000c7ffd41 x4 : 00000000b05fee52 x3 : 0000000022c23503
kernel: x2 : ffffa00063fc72c0 x1 : 0000000000000023 x0 : 00000000aa422449
kernel: Call trace:
kernel: sha256_generic+0x2e8/0x10f0 [zfs]
kernel: sha256_update+0x138/0x228 [zfs]
kernel: SHA2Update+0x4c/0x60 [zfs]
kernel: sha_incremental+0x2c/0x48 [zfs]
kernel: abd_iterate_func+0x104/0x150 [zfs]
kernel: abd_checksum_sha256+0x60/0xe8 [zfs]
kernel: chksum_run+0xac/0x160 [zfs]
kernel: chksum_benchit+0x140/0x198 [zfs]
kernel: chksum_benchmark+0x1ac/0x3a8 [zfs]
kernel: chksum_init+0x28/0xa8 [zfs]
kernel: spa_init+0x130/0x168 [zfs]
kernel: zfs_kmod_init+0x4c/0x108 [zfs]
kernel: openzfs_init_os+0x1c/0xc8 [zfs]
kernel: openzfs_init+0x70/0xcd0 [zfs]
kernel: do_one_initcall+0x4c/0x368
kernel: do_init_module+0xa0/0x260
kernel: load_module+0x790/0x8c8
kernel: init_module_from_file+0x94/0xf8
kernel: idempotent_init_module+0x178/0x2a8
kernel: __arm64_sys_finit_module+0x6c/0xd8
kernel: invoke_syscall+0x50/0x120
kernel: el0_svc_common.constprop.0+0x48/0xf0
kernel: do_el0_svc+0x24/0x38
kernel: el0_svc+0x48/0x178
kernel: el0t_64_sync_handler+0x120/0x130
kernel: el0t_64_sync+0x1a8/0x1b0
I'm unsure why the kernel is attempting to load zfs on shutdown, or why
this error occurs but it does seem consistent (I've got at least 5
separate backtraces similar to the above on shutdown in my kern.log).
** Affects: linux-raspi (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2060677
Title:
Consistent (zfs?) errors at shutdown
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