Hi Sorry for my late reply I was not clear on the ask assuming it to be device configuration , please see below points for your query. . Only eMMC chip Micron product name (S0J35A) PNM 48(width) CID value 8GB: 53304A333541h . Linux version 5.15.104 compiled for Arm64 (armv8+ ) . with sdhci enabled and sdcard support for auto detect Please let me know if you have any concerns. Thanks Aaditya -----Original Message----- From: Mikulas Patocka <mpatocka@xxxxxxxxxx> Sent: Monday, November 6, 2023 5:25 PM To: Aaditya Raj Barnwal <abarnwal@xxxxxxxxxxxxxxxx> Cc: Aaditya Raj Barnwal (QUIC) <quic_abarnwal@xxxxxxxxxxx>; agk@xxxxxxxxxx; snitzer@xxxxxxxxxx; dm-devel@xxxxxxxxxxxxxxx; Akshay Rukmangad <arukmang@xxxxxxxxxxxxxxxx> Subject: Re: Patch : drivers/md/dm-verity-target.c WARNING: This email originated from outside of Qualcomm. Please be wary of any links or attachments, and do not enable macros. On Mon, 6 Nov 2023, Aaditya Raj Barnwal wrote: > thanks for reply , > > yes we already have > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/com > mit/?id=035641b01e72af4f6c6cf22a4bdb5d7dfc4e8e8e > and kernel cmdline is with wait for /dev/dm-0 where i could make out > from the logs it was able to get /dev/dm-0 but still failed to get the > data-devices adding the logs below > > 9.785204][ T9] mmc0: CQHCI version 5.10 [ 9.826746][ T9] > mmc0: SDHCI controller on 8804000.sdhci [8804000.sdhci] using ADMA > 64-bit [ 9.835559][ T9] sdhci_msm 8804000.sdhci: mmc0: CQE init: > success [ 9.842578][ T1] device-mapper: init: waiting for device /dev/dm-0 ... You should wait for /dev/mmcblk0 here, not for /dev/dm-0. > [ 9.849605][ T1] device-mapper: init: exiting after /dev/dm-0 > <<<<<got dev/dm-0 Where does this 'exiting after' message come from? I grepped the kernel for it and didn't find it. > [ 9.856689][ T1] device-mapper: init: all devices available [ > 9.863061][ T1] device-mapper: table: 252:0: verity: Data device > lookup failed [ 9.870868][ T1] device-mapper: ioctl: error > adding target to table [ 9.895539][ T37] platform regulatory.0: > Direct firmware load for regulatory.db failed with error -2 [ > 9.898825][ T1] gcc-sdxpinn 80000.clock-controller: sync-state [ > 9.905125][ T37] cfg80211: failed to load regulatory.db [ 9.911731][ T1] ALSA device list: > [ 9.920911][ T1] No soundcards found. > [ 9.925133][ T1] TAP version 14 > [ 9.928642][ T1] 1..0 > [ 9.931645][ T1] md: Waiting for all devices to be available > before autodetect [ 9.931829][ T85] mmc0: Command Queue Engine > enabled [ 9.939343][ T1] md: If you don't use raid, use > raid=noautodetect [ 9.944631][ T85] mmc0: new HS400 MMC card at > address 0001 [ 9.951158][ T1] md: Autodetecting RAID arrays. > [ 9.957520][ T85] mmcblk0: mmc0:0001 S0J35A 7.28 GiB [ > 9.961908][ T1] md: autorun ... > [ 9.961912][ T1] md: ... autorun DONE. > [ 9.970173][ T85] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 > p12 p13 p14 p15 p16 p17 p18 p19 p20 p21 p22 p23 p24 p25 p26 p27 p28 > p29 p30 p31 p32 p33 p34 p35 p36 > p37 p38 p39 p40 p41 p42 p43 p44 p45 p46 [ 9.971004][ T1] Waiting > for root device /dev/dm-0... > [ 9.979384][ T85] mmcblk0boot0: mmc0:0001 S0J35A 31.5 MiB [ > 10.005842][ T85] mmcblk0boot1: mmc0:0001 S0J35A 31.5 MiB [ > 10.012536][ T85] mmcblk0rpmb: mmc0:0001 S0J35A 4.00 MiB, chardev > (500:0) [ 10.901495][ T85] msm-dwc3 a600000.ssusb: DWC3 in low > power mode << no rootfs and no further bootup blocked at this point > same as the above path >> I see that you also use md - please describe the full storage stack that you use. Mikulas
