sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 c9 5e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 468344 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
INFO: task kcompactd0:25 blocked for more than 143 seconds.
      Not tainted 5.10.56 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kcompactd0      state:D stack:28792 pid:   25 ppid:     2 flags:0x00004000
Call Trace:
 context_switch kernel/sched/core.c:3776 [inline]
 __schedule+0x848/0x1e80 kernel/sched/core.c:4525
 schedule+0xcb/0x270 kernel/sched/core.c:4603
 io_schedule+0xb6/0x130 kernel/sched/core.c:6294
 wait_on_page_bit_common+0x2a6/0xaa0 mm/filemap.c:1277
 lock_page include/linux/pagemap.h:611 [inline]
 __unmap_and_move mm/migrate.c:1049 [inline]
 unmap_and_move mm/migrate.c:1198 [inline]
 migrate_pages+0x1691/0x23c0 mm/migrate.c:1457
 compact_zone+0x1a94/0x3690 mm/compaction.c:2322
 proactive_compact_node+0xf0/0x1a0 mm/compaction.c:2568
 kcompactd+0x8f1/0xc00 mm/compaction.c:2841
 kthread+0x38f/0x470 kernel/kthread.c:292
 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:296

Showing all locks held in the system:
1 lock held by khungtaskd/22:
 #0: ffffffff84df6660 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6377
1 lock held by kmemleak/69:
1 lock held by in:imklog/198:
 #0: ffff88800ce40ff0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930

=============================================

scsi_io_completion_action: 126 callbacks suppressed
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 e9 1e 00 00 40 00
print_req_error: 126 callbacks suppressed
blk_update_request: I/O error, dev sr0, sector 500856 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 e9 5e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 501112 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 e9 9e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 501368 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 e9 de 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 501624 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 ea 1e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 501880 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 ea 5e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 502136 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 ea 9e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 502392 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 ea de 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 502648 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 eb 1e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 502904 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 eb 5e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 503160 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
scsi_io_completion_action: 63 callbacks suppressed
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 fb 5e 00 00 40 00
print_req_error: 63 callbacks suppressed
blk_update_request: I/O error, dev sr0, sector 519544 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 fb 9e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 519800 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 fb de 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 520056 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 fc 1e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 520312 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 fc 5e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 520568 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 fc 9e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 520824 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 fc de 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 521080 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 fd 1e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 521336 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 fd 5e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 521592 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0
sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
sr 1:0:0:0: [sr0] tag#0 Sense Key : Not Ready [current] 
sr 1:0:0:0: [sr0] tag#0 Add. Sense: Medium not present
sr 1:0:0:0: [sr0] tag#0 CDB: Read(10) 28 00 00 01 fd 9e 00 00 40 00
blk_update_request: I/O error, dev sr0, sector 521848 op 0x0:(READ) flags 0x84700 phys_seg 3 prio class 0