and here are kernel messages with IWX_DEBUG defined
iwx0: L1 Disabled - LTR Enabled
iwx0: ucode type 0 section 0
iwx0: ucode type 0 section 1
iwx0: ucode type 0 section 2
iwx0: ucode type 0 section 3
iwx0: ucode type 0 section 4
iwx0: ucode type 0 section 5
iwx0: ucode type 0 section 6
iwx0: ucode type 0 section 7
iwx0: ucode type 0 section 8
iwx0: ucode type 0 section 9
iwx0: ucode type 0 section 10
iwx0: ucode type 0 section 11
iwx0: ucode type 0 section 12
iwx0: ucode type 0 section 13
iwx0: ucode type 0 section 14
iwx0: ucode type 0 section 15
iwx0: ucode type 0 section 16
iwx0: ucode type 0 section 17
iwx0: ucode type 0 section 18
iwx0: ucode type 0 section 19
iwx0: ucode type 0 section 20
iwx0: ucode type 0 section 21
iwx0: ucode type 0 section 22
iwx0: ucode type 0 section 23
iwx0: ucode type 0 section 24
iwx0: ucode type 0 section 25
iwx0: ucode type 0 section 26
iwx0: ucode type 0 section 27
iwx0: ucode type 0 section 28
iwx0: ucode type 0 section 29
iwx0: ucode type 0 section 30
iwx0: ucode type 0 section 31
iwx0: ucode type 0 section 32
iwx0: ucode type 0 section 33
iwx0: ucode type 0 section 34
iwx0: ucode type 0 section 35
iwx0: ucode type 0 section 36
iwx0: ucode type 0 section 37
iwx0: ucode type 0 section 38
iwx0: ucode type 0 section 39
iwx0: ucode type 0 section 40
iwx0: ucode type 0 section 41
iwx0: ucode type 0 section 42
iwx0: ucode type 0 section 43
iwx0: ucode type 0 section 44
iwx0: ucode type 0 section 45
iwx0: ucode type 0 section 46
iwx0: ucode type 0 section 47
iwx0: ucode type 0 section 48
iwx0: ucode type 0 section 49
iwx0: ucode type 0 section 50
iwx0: ucode type 0 section 51
iwx0: ucode type 0 section 52
iwx0: ucode type 0 section 53
iwx0: ucode type 0 section 54
iwx0: ucode type 0 section 55
iwx0: ucode type 0 section 56
iwx0: L1 Disabled - LTR Enabled
iwx_init_fw_sec: firmware LMAC section 0 at 0x40335000 size 1656
iwx_init_fw_sec: firmware LMAC section 1 at 0x40777000 size 32768
iwx_init_fw_sec: firmware LMAC section 2 at 0x4077f000 size 32768
iwx_init_fw_sec: firmware LMAC section 3 at 0x40787000 size 32768
iwx_init_fw_sec: firmware LMAC section 4 at 0x4078f000 size 32760
iwx_init_fw_sec: firmware LMAC section 5 at 0x40797000 size 32768
iwx_init_fw_sec: firmware LMAC section 6 at 0x4079f000 size 32768
iwx_init_fw_sec: firmware LMAC section 7 at 0x407a7000 size 32768
iwx_init_fw_sec: firmware LMAC section 8 at 0x407af000 size 32768
iwx_init_fw_sec: firmware LMAC section 9 at 0x407b7000 size 32768
iwx_init_fw_sec: firmware LMAC section 10 at 0x407bf000 size 32768
iwx_init_fw_sec: firmware LMAC section 11 at 0x407c7000 size 32768
iwx_init_fw_sec: firmware LMAC section 12 at 0x407cf000 size 32768
iwx_init_fw_sec: firmware LMAC section 13 at 0x40334000 size 560
iwx_init_fw_sec: firmware LMAC section 14 at 0x407d7000 size 21696
iwx_init_fw_sec: firmware UMAC section 0 at 0x40333000 size 1656
iwx_init_fw_sec: firmware UMAC section 1 at 0x407dd000 size 32768
iwx_init_fw_sec: firmware UMAC section 2 at 0x407e5000 size 32768
iwx_init_fw_sec: firmware UMAC section 3 at 0x407ed000 size 32768
iwx_init_fw_sec: firmware UMAC section 4 at 0x407f5000 size 32768
iwx_init_fw_sec: firmware UMAC section 5 at 0x407fd000 size 32768
iwx_init_fw_sec: firmware UMAC section 6 at 0x40805000 size 32768
iwx_init_fw_sec: firmware UMAC section 7 at 0x4080d000 size 32768
iwx_init_fw_sec: firmware UMAC section 8 at 0x40815000 size 32768
iwx_init_fw_sec: firmware UMAC section 9 at 0x4081d000 size 32768
iwx_init_fw_sec: firmware UMAC section 10 at 0x40825000 size 32768
iwx_init_fw_sec: firmware UMAC section 11 at 0x4082d000 size 32768
iwx_init_fw_sec: firmware UMAC section 12 at 0x40835000 size 32768
iwx_init_fw_sec: firmware UMAC section 13 at 0x4083d000 size 14408
iwx_init_fw_sec: firmware UMAC section 14 at 0x40841000 size 4616
iwx_init_fw_sec: firmware UMAC section 15 at 0x40843000 size 24756
iwx_init_fw_sec: firmware paging section 0 at 0x40332000 size 1656
iwx_init_fw_sec: firmware paging section 1 at 0x4084a000 size 32768
iwx_init_fw_sec: firmware paging section 2 at 0x40852000 size 32768
iwx_init_fw_sec: firmware paging section 3 at 0x4085a000 size 32768
iwx_init_fw_sec: firmware paging section 4 at 0x40862000 size 32768
iwx_init_fw_sec: firmware paging section 5 at 0x4086a000 size 32768
iwx_init_fw_sec: firmware paging section 6 at 0x40872000 size 32768
iwx_init_fw_sec: firmware paging section 7 at 0x4087a000 size 32768
iwx_init_fw_sec: firmware paging section 8 at 0x40882000 size 32768
iwx_init_fw_sec: firmware paging section 9 at 0x4088a000 size 32768
iwx_init_fw_sec: firmware paging section 10 at 0x40892000 size 32768
iwx_init_fw_sec: firmware paging section 11 at 0x4089a000 size 32768
iwx_init_fw_sec: firmware paging section 12 at 0x408a2000 size 32768
iwx_init_fw_sec: firmware paging section 13 at 0x408aa000 size 32768
iwx_init_fw_sec: firmware paging section 14 at 0x408b2000 size 32768
iwx_init_fw_sec: firmware paging section 15 at 0x408ba000 size 32768
iwx_init_fw_sec: firmware paging section 16 at 0x408c2000 size 32768
iwx_init_fw_sec: firmware paging section 17 at 0x408ca000 size 32768
iwx_init_fw_sec: firmware paging section 18 at 0x408d2000 size 32768
iwx_init_fw_sec: firmware paging section 19 at 0x408da000 size 32768
iwx_init_fw_sec: firmware paging section 20 at 0x408e2000 size 32768
iwx_init_fw_sec: firmware paging section 21 at 0x408ea000 size 32768
iwx_init_fw_sec: firmware paging section 22 at 0x408f2000 size 32768
iwx_init_fw_sec: firmware paging section 23 at 0x408fa000 size 28672
iwx0: could not load firmware, 35
iwx0: failed to load init firmware
