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Other • Debug u-boot using config LOGLEVEL

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The problem is while booting up rasbberry pi with uboot as boot loader not able to decrypt encrypted rootfs partition with initramfs,to debug and analyse what happening want to enable uboot debug logs.

When checked with current loglevel in Kconfig it show default i.e. CONFIG_LOGLEVEL=4 these are boot logs :

Code:

    U-Boot 2024.04 (Apr 02 2024 - 10:58:58 +0000)                                                                                                                           DRAM:  948 MiB (effective 7.9 GiB)                                                  RPI 4 Model B (0xd03114)                                                            Core:  213 devices, 16 uclasses, devicetree: board                                  MMC:   mmcnr@7e300000: 1, mmc@7e340000: 0                                           Loading Environment from MMC... *** Warning - bad CRC, using default environment                                                                                        In:    serial,usbkbd                                                                Out:   serial,vidconsole                                                            Err:   serial,vidconsole                                                            Net:   eth0: ethernet@7d580000                                                      PCIe BRCM: link up, 5.0 Gbps x1 (SSC)                                               starting USB...                                                                     Bus xhci_pci: Register 5000420 NbrPorts 5                                           Starting the controller                                                             USB XHCI 1.00                                                                       scanning bus xhci_pci for devices... 2 USB Device(s) found                                 scanning usb for storage devices... 0 Storage Device(s) found                Hit any key to stop autoboot:  0                                                    Card did not respond to voltage select! : -110                                      ethernet@7d580000 Waiting for PHY auto negotiation to complete......... TIMEOUT!    bcmgenet: PHY startup failed: -110                                                  ethernet@7d580000 Waiting for PHY auto negotiation to complete......... TIMEOUT!    bcmgenet: PHY startup failed: -110                                                  U-Boot>
updated the common/Kconfig default to 7 still cannot see any change in the logs
kconfig snippet:

Code:

    config LOGLEVEL    int "loglevel"    default 7    range 0 10    help      All Messages with a loglevel smaller than the console loglevel will      be compiled in. The loglevels are defined as follows:            0 - emergency        1 - alert        2 - critical        3 - error        4 - warning        5 - note        6 - info        7 - debug        8 - debug content        9 - debug hardware I/O
don't know if im able to config it correctly or are there other config parameters need to configure and which are those please let me know if any one has done this before.

Statistics: Posted by Parag27 — Mon Jul 28, 2025 4:14 am



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