Yes, I'm afraid so. In fact I'm occasionally seeing it on boot as well which seems to result in wayland crashing and the session falling back to X11. Here's the backtrace from a crash on startup which resulted in me starting an X11 session (and then wondering why the cursor

[   47.898381] spl: loading out-of-tree module taints kernel.
[   47.957978] zfs: module license 'CDDL' taints kernel.
[   47.957986] Disabling lock debugging due to kernel taint
[   47.958013] zfs: module license taints kernel.
[   47.986141] Initializing XFRM netlink socket
[   48.872585] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 3-.... } 22 jiffies s: 921 root: 0x8/.
[   48.872601] rcu: blocking rcu_node structures (internal RCU debug):
[   48.872605] Sending NMI from CPU 0 to CPUs 3:
[   48.872610] NMI backtrace for cpu 3
[   48.872616] CPU: 3 PID: 2797 Comm: modprobe Tainted: P         C OE      6.8.0-1004-raspi #4-Ubuntu
[   48.872619] Hardware name: Raspberry Pi 5 Model B Rev 1.0 (DT)
[   48.872621] pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   48.872625] pc : g+0x44/0x80 [zfs]
[   48.872998] lr : round_fn+0x124/0x1a8 [zfs]
[   48.873282] sp : ffff800083b3a9f0
[   48.873283] x29: ffff800083b3a9f0 x28: 0000000000000010 x27: 0000000000000001
[   48.873288] x26: 0000000000000002 x25: 0000000000000010 x24: 0000000000000040
[   48.873291] x23: 0000000000000010 x22: 0000000000003c6e x21: ffff800083b3aac8
[   48.873294] x20: ffffa0001eeb1f08 x19: ffff800083b3aa38 x18: 0000000000000000
[   48.873298] x17: 0000000000000000 x16: ffffa00084e64e20 x15: daab804bbe5f084f
[   48.873301] x14: dda7b2c9fd2e0cf6 x13: 8ea05092eab4a56e x12: 7e3c7900fc64dbc7
[   48.873304] x11: 7e3c7900fc64dbc7 x10: ffffa0001ea5ba80 x9 : 0000000000000000
[   48.873308] x8 : 00000000e60eea37 x7 : 00000000d00f75b3 x6 : 00000000fffffffd
[   48.873311] x5 : 00000000fc4d5ec9 x4 : 000000000000000c x3 : 000000000000000b
[   48.873314] x2 : 0000000000000006 x1 : 0000000000000001 x0 : ffff800083b3aac8
[   48.873317] Call trace:
[   48.873319]  g+0x44/0x80 [zfs]
[   48.873589]  compress_pre+0x1e4/0x270 [zfs]
[   48.873861]  blake3_compress_in_place_generic+0x4c/0xa8 [zfs]
[   48.874133]  hash_one_generic+0x78/0xf0 [zfs]
[   48.874402]  blake3_hash_many_generic+0x74/0xb0 [zfs]
[   48.874672]  compress_chunks_parallel+0xe8/0x1d8 [zfs]
[   48.874942]  blake3_compress_subtree_wide+0x1a4/0x1c8 [zfs]
[   48.875210]  blake3_compress_subtree_wide+0xd8/0x1c8 [zfs]
[   48.875477]  blake3_compress_subtree_wide+0xd8/0x1c8 [zfs]
[   48.875744]  blake3_compress_subtree_wide+0xb0/0x1c8 [zfs]
[   48.876009]  blake3_compress_subtree_wide+0xd8/0x1c8 [zfs]
[   48.876275]  compress_subtree_to_parent_node+0x50/0x110 [zfs]
[   48.876542]  Blake3_Update2+0x168/0x240 [zfs]
[   48.876809]  Blake3_Update+0x54/0x80 [zfs]
[   48.877074]  blake3_incremental+0x2c/0x40 [zfs]
[   48.877341]  abd_iterate_func+0x104/0x150 [zfs]
[   48.877608]  abd_checksum_blake3_native+0x7c/0xb8 [zfs]
[   48.877875]  chksum_run+0xac/0x160 [zfs]
[   48.878145]  chksum_benchit+0x140/0x198 [zfs]
[   48.878412]  chksum_benchmark+0x334/0x3a8 [zfs]
[   48.878681]  chksum_init+0x28/0xa8 [zfs]
[   48.878950]  spa_init+0x130/0x168 [zfs]
[   48.879221]  zfs_kmod_init+0x4c/0x108 [zfs]
[   48.879489]  openzfs_init_os+0x1c/0xc8 [zfs]
[   48.879755]  openzfs_init+0x70/0xcd0 [zfs]
[   48.880023]  do_one_initcall+0x4c/0x368
[   48.880029]  do_init_module+0xa0/0x260
[   48.880034]  load_module+0x790/0x8c8
[   48.880037]  init_module_from_file+0x94/0xf8
[   48.880040]  idempotent_init_module+0x178/0x2a8
[   48.880043]  __arm64_sys_finit_module+0x6c/0xd8
[   48.880047]  invoke_syscall+0x50/0x120
[   48.880049]  el0_svc_common.constprop.0+0x48/0xf0
[   48.880051]  do_el0_svc+0x24/0x38
[   48.880053]  el0_svc+0x48/0x178
[   48.880057]  el0t_64_sync_handler+0x120/0x130
[   48.880059]  el0t_64_sync+0x1a8/0x1b0
[   48.970724] ZFS: Loaded module v2.2.2-0ubuntu9, ZFS pool version 5000, ZFS filesystem version 5
[   49.798958] Key type psk registered