Hi,
Did anyone suceed to boot with the OpenEmbedded Downloads for DragonBoard-845c ?
I have tried all boot images/rootfs but all of them end with the folowing Kernel Panic :
[ 5.445757] hub 2-0:1.0: USB hub found
[ 5.451718] scsi 0:0:0:49488: Well-known LUN MICRON MT032GASAO1U21 0203 PQ: 0 ANSI: 6
[ 5.459313] hub 2-0:1.0: 1 port detected
[ 5.472420] scsi 0:0:0:49476: Well-known LUN MICRON MT032GASAO1U21 0203 PQ: 0 ANSI: 6
[ 5.499148] scsi 0:0:0:49456: Well-known LUN MICRON MT032GASAO1U21 0203 PQ: 0 ANSI: 6
[ 5.499387] PM: genpd: Not disabling unused power domains
[ 5.510443] scsi 0:0:0:0: Direct-Access MICRON MT032GASAO1U21 0203 PQ: 0 ANSI: 6
[ 5.514574] input: gpio_keys as /devices/platform/gpio_keys/input/input0
[ 5.523417] sd 0:0:0:0: Power-on or device reset occurred
[ 5.528955] clk: Not disabling unused clocks
[ 5.534794] scsi 0:0:0:1: Direct-Access MICRON MT032GASAO1U21 0203 PQ: 0 ANSI: 6
[ 5.537286] sd 0:0:0:0: [sda] 6336512 4096-byte logical blocks: (26.0 GB/24.2 GiB)
[ 5.537701] sd 0:0:0:0: [sda] Write Protect is off
[ 5.537821] ALSA device list:
[ 5.538199] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA
[ 5.538274] sd 0:0:0:0: [sda] Optimal transfer size 131072 bytes
[ 5.541533] sda: sda1
[ 5.542786] sd 0:0:0:0: [sda] Attached SCSI disk
[ 5.547958] sd 0:0:0:1: Power-on or device reset occurred
[ 5.553584] No soundcards found.
[ 5.592292] scsi 0:0:0:2: Direct-Access MICRON MT032GASAO1U21 0203 PQ: 0 ANSI: 6
[ 5.608947] sd 0:0:0:1: [sdb] 1024 4096-byte logical blocks: (4.19 MB/4.00 MiB)
[ 5.616339] sd 0:0:0:2: Power-on or device reset occurred
[ 5.622068] scsi 0:0:0:3: Direct-Access MICRON MT032GASAO1U21 0203 PQ: 0 ANSI: 6
[ 5.622092] sd 0:0:0:1: [sdb] Write Protect is off
[ 5.635389] sd 0:0:0:1: [sdb] Write cache: enabled, read cache: enabled, supports DPO and FUA
[ 5.636229] sd 0:0:0:2: [sdc] 1024 4096-byte logical blocks: (4.19 MB/4.00 MiB)
[ 5.637711] sd 0:0:0:3: Power-on or device reset occurred
[ 5.639227] scsi 0:0:0:4: Direct-Access MICRON MT032GASAO1U21 0203 PQ: 0 ANSI: 6
[ 5.641998] sd 0:0:0:4: Power-on or device reset occurred
[ 5.642159] sd 0:0:0:3: [sdd] 32768 4096-byte logical blocks: (134 MB/128 MiB)
[ 5.642986] scsi 0:0:0:5: Direct-Access MICRON MT032GASAO1U21 0203 PQ: 0 ANSI: 6
[ 5.643398] sd 0:0:0:3: [sdd] Write Protect is off
[ 5.644357] sd 0:0:0:1: [sdb] Optimal transfer size 131072 bytes
[ 5.644563] sd 0:0:0:4: [sde] 1048576 4096-byte logical blocks: (4.29 GB/4.00 GiB)
[ 5.644656] sd 0:0:0:3: [sdd] Write cache: enabled, read cache: enabled, supports DPO and FUA
[ 5.645016] sd 0:0:0:5: Power-on or device reset occurred
[ 5.645058] sd 0:0:0:4: [sde] Write Protect is off
[ 5.645196] sd 0:0:0:3: [sdd] Optimal transfer size 131072 bytes
[ 5.645287] sd 0:0:0:4: [sde] Write cache: enabled, read cache: enabled, supports DPO and FUA
[ 5.645377] sd 0:0:0:4: [sde] Optimal transfer size 131072 bytes
[ 5.649256] sd 0:0:0:5: [sdf] 393216 4096-byte logical blocks: (1.61 GB/1.50 GiB)
[ 5.649680] sdd: sdd1 sdd2 sdd3
[ 5.650292] sd 0:0:0:5: [sdf] Write Protect is off
[ 5.651517] sd 0:0:0:5: [sdf] Write cache: enabled, read cache: enabled, supports DPO and FUA
[ 5.651712] sd 0:0:0:2: [sdc] Write Protect is off
[ 5.651741] Alternate GPT is invalid, using primary GPT.
[ 5.651808] sde: sde1 sde2 sde3 sde4 sde5 sde6 sde7 sde8 sde9 sde10 sde11 sde12 sde13 sde14 sde15 sde16 sde17 sde18 sde19 sde20 sde21 sde22 sde23 sde24 sde25 sde26 sde27 sde28 sde29 sde30 sde31 sde32 sde33 sde34 sde35 sde36 sde37 sde38 sde39 sde40 sde41 sde42 sde43 sde44 sde45 sde46 sde47 sde48
[ 5.652388] sd 0:0:0:2: [sdc] Write cache: enabled, read cache: enabled, supports DPO and FUA
[ 5.652599] sd 0:0:0:2: [sdc] Optimal transfer size 131072 bytes
[ 5.652607] sd 0:0:0:3: [sdd] Attached SCSI disk
[ 5.658383] sdc: sdc1 sdc2
[ 5.660147] Alternate GPT is invalid, using primary GPT.
[ 5.660157] sdb: sdb1 sdb2
[ 5.661774] sd 0:0:0:1: [sdb] Attached SCSI disk
[ 5.665352] sd 0:0:0:5: [sdf] Optimal transfer size 131072 bytes
[ 5.666667] sd 0:0:0:4: [sde] Attached SCSI disk
[ 5.671798] sd 0:0:0:2: [sdc] Attached SCSI disk
[ 5.683638] Alternate GPT is invalid, using primary GPT.
[ 5.860322] sdf: sdf1 sdf2 sdf3 sdf4 sdf5 sdf6 sdf7 sdf8 sdf9
[ 5.875670] sd 0:0:0:5: [sdf] Attached SCSI disk
[ 5.885106] List of all partitions:
[ 5.888648] 0800 25346048 sda
[ 5.888654] driver: sd
[ 5.894838] 0801 25345892 sda1 1f42b0ce-bca8-b308-6052-9b9d43d94378
[ 5.894845]
[ 5.903469] 0830 131072 sdd
[ 5.903474] driver: sd
[ 5.909630] 0831 104 sdd1 7449f623-b245-dc34-72d6-fd605e8a01ad
[ 5.909636]
[ 5.918249] 0832 128 sdd2 f269977a-9913-dc86-639d-9a55cfefe54f
[ 5.918254]
[ 5.926870] 0833 130684 sdd3 890415ac-ffbd-38b7-5316-be70c2e70051
[ 5.926875]
[ 5.935496] 0840 4194304 sde
[ 5.935500] driver: sd
[ 5.941656] 0841 512 sde1 852d0d05-3ca6-21e9-1ad8-edda9694220a
[ 5.941661]
[ 5.950262] 0842 2048 sde2 aa577e69-337c-176c-b062-77eff5f8bc56
[ 5.950267]
[ 5.958882] 0843 512 sde3 f5372140-3ef9-d9d3-f34a-12d450e1f927
[ 5.958886]
[ 5.967504] 0844 122880 sde4 3d6b8ecd-53c6-5808-e106-cf43c5aa609d
[ 5.967510]
[ 5.976122] 0845 1024 sde5 711cb72b-e529-b96b-916b-25088c4ce475
[ 5.976126]
[ 5.984739] 0846 4096 sde6 93bb4e51-d467-0f19-cece-1f6903f43a6c
[ 5.984743]
[ 5.993356] 0847 32768 sde7 dd009269-3c44-362c-bc5d-2fce9f40db3a
[ 5.993361]
[ 6.001965] 0848 1024 sde8 ffb58aa7-72ea-7544-bc7d-d124f6e4d5c4
[ 6.001970]
[ 6.010586] 0849 32768 sde9 e42f9f1c-cb2d-bf69-cb5d-3d5471f41299
[ 6.010591]
[ 6.019206] 084a 512 sde10 ded5d558-404b-0084-aa32-538153adbd36
[ 6.019212]
[ 6.027915] 084b 65536 sde11 35ddabc7-10a1-0495-4a9f-05b1c273efe0
[ 6.027920]
[ 6.036619] 084c 512 sde12 4cf0b357-19b0-496d-27b9-e214ebf75a64
[ 6.036625]
[ 6.045331] 084d 512 sde13 640208d1-e401-ad3f-afe2-de20d6140ab2
[ 6.045335]
[ 6.054022] 084e 128 sde14 c8a68938-3fa8-a97d-4da4-44679f8b8449
[ 6.054028]
[ 6.062728] 084f 64 sde15 9085684a-0020-8763-6ea6-c4ce1737fd25
[ 6.062733]
[ 6.071436] 103:00000 128 sde16 4e020517-f4b5-0aa6-a656-bf54d56c2ae4
[ 6.071440]
[ 6.080138] 103:00001 1024 sde17 5ec00b45-bb9d-0a7b-580a-0028e30e9b78
[ 6.080143]
[ 6.088840] 103:00002 512 sde18 185b76f0-42cb-d7c4-5288-bf560b08d58e
[ 6.088844]
[ 6.097542] 103:00003 2048 sde19 1822d6c4-b85e-5e29-1bde-63997b00a016
[ 6.097546]
[ 6.106249] 103:00004 512 sde20 be3c3e41-1b0a-3d6a-d3b1-20581331a64a
[ 6.106253]
[ 6.114955] 103:00005 122880 sde21 179c36e2-420a-d11d-c41f-dd9b4e73c105
[ 6.114960]
[ 6.123662] 103:00006 1024 sde22 15f7453f-b15a-2f9d-3f4e-fe29e6079297
[ 6.123667]
[ 6.132364] 103:00007 4096 sde23 bd32bb58-4e15-e7ab-9637-6aaf9efece29
[ 6.132369]
[ 6.141067] 103:00008 32768 sde24 98c5d42c-39e5-9765-0578-428f5a1c3ce1
[ 6.141071]
[ 6.149768] 103:00009 1024 sde25 55ef3c53-204b-cd18-a654-d99a692c0108
[ 6.149773]
[ 6.158470] 103:0000a 32768 sde26 b9f1b28a-649a-ab72-beae-c38efa7dc333
[ 6.158475]
[ 6.167176] 103:0000b 512 sde27 4d6f3de0-f875-5f2e-9b35-642337ac9992
[ 6.167180]
[ 6.175883] 103:0000c 65536 sde28 022447d5-e2f3-5261-d16d-6bffcb11fe3e
[ 6.175887]
[ 6.184585] 103:0000d 512 sde29 6d54194d-942a-f2e2-c826-cd5dea14d2e3
[ 6.184590]
[ 6.193288] 103:0000e 512 sde30 ac487a4b-2b4c-49a9-e735-341f3fd9e9f4
[ 6.193293]
[ 6.201989] 103:0000f 128 sde31 ea37857b-b0e6-4947-a2d4-205ec71bc88c
[ 6.201994]
[ 6.210706] 103:00010 64 sde32 ef08f439-f969-eec0-60d8-39751ff9e49d
[ 6.210710]
[ 6.219413] 103:00011 128 sde33 471bf993-c4c4-b505-8686-5b76d46d251d
[ 6.219418]
[ 6.228115] 103:00012 1024 sde34 a1033dce-4ff2-c224-2124-621579060200
[ 6.228120]
[ 6.236818] 103:00013 16 sde35 923dd449-1b6c-dd7f-9f91-675b42c341bc
[ 6.236822]
[ 6.245509] 103:00014 4 sde36 7741b58f-92cb-646d-a57a-f189f3a75cfd
[ 6.245513]
[ 6.254211] 103:00015 1024 sde37 f5ae08b9-88f4-e6dd-3125-f6176a553cf0
[ 6.254216]
[ 6.262917] 103:00016 512 sde38 84a0c13f-8cde-6608-5c1e-4c840f5cc630
[ 6.262922]
[ 6.271624] 103:00017 256 sde39 000bf241-8864-5425-241e-8ea36aba04ad
[ 6.271628]
[ 6.280315] 103:00018 256 sde40 d348cdfb-708f-7023-1f84-26e148be4765
[ 6.280320]
[ 6.289018] 103:00019 8192 sde41 e617e6c9-2841-404b-6445-378dc1eb01bd
[ 6.289022]
[ 6.297719] 103:0001a 33424 sde42 254e5569-2b5b-14d3-8856-f59989fbd1e4
[ 6.297725]
[ 6.306422] 103:0001b 4 sde43 abbdde21-a7e8-b334-1110-08ec7129e812
[ 6.306427]
[ 6.315129] 103:0001c 1024 sde44 e407ac23-389a-cb0e-3fdb-9630f0fff497
[ 6.315134]
[ 6.323836] 103:0001d 8192 sde45 2513ac95-f1e4-8bea-5bb6-346108a71502
[ 6.323841]
[ 6.332528] 103:0001e 2048 sde46 d99c8fdf-c229-f917-6419-75aa6f5b00a6
[ 6.332533]
[ 6.341230] 103:0001f 131072 sde47 c00b8da7-9755-0df4-26f1-bbd584e7a166
[ 6.341235]
[ 6.349922] 103:00020 3476028 sde48 9b34216d-21c5-95c4-d95e-fc23f3fe0354
[ 6.349927]
[ 6.358642] 0820 4096 sdc
[ 6.358646] driver: sd
[ 6.364831] 0821 3584 sdc1 ea107b35-e22d-686d-b002-04855e3c8e55
[ 6.364837]
[ 6.373441] 0822 356 sdc2 442d6a99-952e-0964-12c4-53d42f800193
[ 6.373446]
[ 6.382056] 0810 4096 sdb
[ 6.382061] driver: sd
[ 6.388251] 0811 3584 sdb1 e55b7212-82b6-0655-b494-b60e8991f82c
[ 6.388256]
[ 6.396874] 0812 356 sdb2 dbbbdc09-7f26-3f8f-e599-43246cfdb1a2
[ 6.396879]
[ 6.405511] 0850 1572864 sdf
[ 6.405516] driver: sd
[ 6.411681] 0851 104 sdf1 40119ba4-d9a3-1984-8a04-bdda1af778b3
[ 6.411686]
[ 6.420301] 0852 2048 sdf2 57e19b1f-6c13-2781-718f-c00632aa5d82
[ 6.420305]
[ 6.428920] 0853 2048 sdf3 3bb8a7e9-0930-9f31-86b1-465da7c10243
[ 6.428925]
[ 6.437530] 0854 2048 sdf4 1f7efb61-b788-45f8-8e0b-57c4a99393ec
[ 6.437534]
[ 6.446149] 0855 128 sdf5 72aad901-7213-3ea5-949e-8630b3d99cc8
[ 6.446154]
[ 6.454774] 0856 8 sdf6 e1a792c8-7357-20df-4603-23a4fae35afd
[ 6.454779]
[ 6.463400] 0857 1024 sdf7 0ed16e23-7a48-a528-19d3-7a724199b3a5
[ 6.463404]
[ 6.472025] 0858 512 sdf8 3284a7ea-d88b-0ae5-287f-59b5af4addeb
[ 6.472029]
[ 6.480645] 0859 1564788 sdf9 247b72ca-f58f-59b6-5b56-926f792f61cf
[ 6.480649]
[ 6.489266] No filesystem could mount root, tried:
[ 6.489268] ext3
[ 6.494185] ext4
[ 6.496136] ext2
[ 6.498081] squashfs
[ 6.500032] vfat
[ 6.502323]
[ 6.505786] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,1)
[ 6.514112] CPU: 6 PID: 1 Comm: swapper/0 Tainted: G W 5.15.6-linaro-lt-qcom #1
[ 6.522785] Hardware name: Thundercomm Dragonboard 845c (DT)
[ 6.528489] Call trace:
[ 6.530962] dump_backtrace+0x0/0x1d0
[ 6.534665] show_stack+0x18/0x28
[ 6.538013] dump_stack_lvl+0x68/0x84
[ 6.541709] dump_stack+0x18/0x34
[ 6.545055] panic+0x15c/0x31c
[ 6.548140] mount_block_root+0x1e8/0x208
[ 6.552194] mount_root+0x1e0/0x218
[ 6.555714] prepare_namespace+0x130/0x170
[ 6.559852] kernel_init_freeable+0x250/0x294
[ 6.564249] kernel_init+0x24/0x128
[ 6.567772] ret_from_fork+0x10/0x20
[ 6.571379] SMP: stopping secondary CPUs
[ 6.575700] Kernel Offset: 0x4e2a90c00000 from 0xffff800010000000
[ 6.581836] PHYS_OFFSET: 0xffffb21240000000
[ 6.586054] CPU features: 0x00000211,23300e46
[ 6.590449] Memory Limit: none
[ 6.593537] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,1) ]---
I also tried to build the images from sources but same issues…
Any ideas to solve this ?
Thanks 
(Full boot log : http://pastebin.fr/128582)
