[One (M7) Q&A, Help & Troubleshooting] alray:
Looks like your EMMC chip is fried :eek: There's a lot of SD Hardware errors in your dmesg:

(bootloader) [1393653] Platform: HBOOT-8064
(bootloader) [3405373] [COLOR="Red"][SD_HW_ERR][/COLOR] [B]read data fail[/B] in CMD18
(bootloader) [3405387] CMD18: read fifo failed, retry
(bootloader) [5417944] [COLOR="red"][SD_HW_ERR][/COLOR] [B]read data fail[/B] in CMD18
(bootloader) [5417958] [COLOR="red"][SD_HW_ERR][/COLOR] SD: [B]Read data fail[/B]..
(bootloader) [5417972] [ERR] [B]partition_read_emmc(876): error 17[/B]
(bootloader) [5417986] [DISPLAY_ERR] [B]read sp1 partition fail[/B]!!!
(bootloader) [5514079] m7_init_backlight: panel_id=0x940069
(bootloader) [5516102] PWM ic version A2
(bootloader) [5623592] mipi_dsi_cmds_tx_ext
(bootloader) [5831081] [ERR] Cmd17 polling status timed out, MCI_STATUS:
(bootloader) 0x4C2000
(bootloader) [5831096] [ERR] sdcc_command: sdcc_poll_status error, rc: 2
(bootloader) [5831109] [COLOR="red"][SD_HW_ERR][/COLOR] [B]read data fail[/B] in CMD17
(bootloader) [5831122] CMD17: cmd failed
(bootloader) [5831136] [COLOR="red"][SD_HW_ERR][/COLOR] SD: [B]Read data fail[/B]..
(bootloader) [5831150] [ERR] partition_read_emmc(876): error 2
(bootloader) [5837322] [ERR] Cmd17 polling status timed out, MCI_STATUS:
(bootloader) 0x4C2000
(bootloader) [5837336] [ERR] sdcc_command: sdcc_poll_status error, rc: 2
(bootloader) [5837349] [COLOR="red"][SD_HW_ERR][/COLOR] [B]read data fail[/B] in CMD17
(bootloader) [5837363] CMD17: cmd failed
(bootloader) [5837376] [COLOR="red"][SD_HW_ERR][/COLOR] SD: [B]Read data fail[/B]..
(bootloader) [5837390] [ERR] partition_read_emmc(876): error 2
(bootloader) [5837404] [ERR] [B]Boot/Recovery image does not exist!!![/B]
(bootloader) [5875307] [ERR] Cmd18 polling status timed out, MCI_STATUS:
(bootloader) 0x4C2000
(bootloader) [5875321] [ERR] sdcc_command: sdcc_poll_status error, rc: 2
(bootloader) [5875334] [COLOR="red"][SD_HW_ERR][/COLOR] [B]read data fail[/B] in CMD18
(bootloader) [5875347] CMD18: cmd failed
(bootloader) [5875360] [COLOR="red"][SD_HW_ERR][/COLOR] SD: [B]Read data fail[/B]..
(bootloader) [5875374] [PG_ERROR] htc_pg_hdr_get(117):[5875388] [B]sd_read_[/B]
(bootloader) [B]sector error[/B]
(bootloader) [5875402] [PG_ERROR] htc_pg_part_hdr_get(169):[5875415] htc
(bootloader) _pg_hdr_get failed
(bootloader) [5882230] [ERR] Cmd17 polling status timed out, MCI_STATUS:
(bootloader) 0x4C2000
(bootloader) [5882245] [ERR] sdcc_command: sdcc_poll_status error, rc: 2
(bootloader) [5882259] [COLOR="red"][SD_HW_ERR][/COLOR] [B]read data fail[/B] in CMD17
(bootloader) [5882272] CMD17: cmd failed
(bootloader) [5882285] [COLOR="red"][SD_HW_ERR][/COLOR] SD: [B]Read data fail[/B]..
(bootloader) [5882299] [FAT_ERROR] fat_open_file: load bpb fail(-5)
(bootloader) [5882333] No RADIOVER.CFG in radio image for SSD version!
(bootloader) [5888607] [ERR] Cmd17 polling status timed out, MCI_STATUS:
(bootloader) 0x4C2000
(bootloader) [5888621] [ERR] sdcc_command: sdcc_poll_status error, rc: 2
(bootloader) [5888635] [COLOR="red"][SD_HW_ERR][/COLOR] [B]read data fail[/B] in CMD17
(bootloader) [5888648] CMD17: cmd failed
(bootloader) [5888662] [COLOR="red"][SD_HW_ERR][/COLOR] SD: [B]Read data fail[/B]..
(bootloader) [5888676] [FAT_ERROR] fat_open_file: load bpb fail(-5)
(bootloader) [5888710] No OPENDSPVER.CFG in adsp image for SSD version!
(bootloader) [6045216] m7_battery_stored_data_clean: magic_num=DDAACC11,
(bootloader) stored_soc=0, stored_ocv=0, stored_cc=0, currtime=ld
(bootloader) [6051751] [ERR] Cmd18 polling status timed out, MCI_STATUS:
(bootloader) 0x4C2000
(bootloader) [6051765] [ERR] sdcc_command: sdcc_poll_status error, rc: 2
(bootloader) [6051778] [COLOR="red"][SD_HW_ERR][/COLOR] [B]read data fail[/B] in CMD18
(bootloader) [6051792] CMD18: cmd failed
(bootloader) [6051804] [COLOR="red"][SD_HW_ERR][/COLOR] SD: [B]Read data fail[/B]..
(bootloader) [6051818] [ERR] partition_read_emmc(876): error 2
(bootloader) [6052410] Start Verify: 3
(bootloader) [6058859] [ERR] Cmd25 polling status timed out, MCI_STATUS:
(bootloader) 0x4C0000
(bootloader) [6058873] [ERR] sdcc_command: sdcc_poll_status error, rc: 2

That would explain why the recovery partition fails to update(flash).

"fastboot boot recovery.img" was only possible with hboot version 1.44

I would try this last step: