I figured out that is caused by the RT_PREEMPT kernel. However, I still have no clue why this happens.
Am Mittwoch, 13. September 2017 11:52:21 UTC+2 schrieb Alexander Rössler: > > After disabling the video, audio and wireless overlays in my uEnv.txt the > boot starts to get extremely slow. > > The serial console output looks as follows: > > [11:41:14:515] ␍␊ > > [11:41:14:519] U-Boot SPL 2017.07-00002-g61c3ee0fb5 (Jul 19 2017 - 17:02: > 08)␍␊ > > [11:41:14:576] Trying to boot from MMC2␍␊ > > [11:41:14:678] ␍␊ > > [11:41:14:681] ␍␊ > > [11:41:14:681] U-Boot 2017.07-00002-g61c3ee0fb5 (Jul 19 2017 - 17:02:08 - > 0500), Build: jenkins-github_Bootloader-Builder-591␍␊ > > [11:41:14:690] ␍␊ > > [11:41:14:690] CPU : AM335X-GP rev 2.1␍␊ > > [11:41:14:692] I2C: ready␍␊ > > [11:41:14:744] DRAM: 512 MiB␍␊ > > [11:41:14:793] No match for driver 'omap_hsmmc'␍␊ > > [11:41:14:798] No match for driver 'omap_hsmmc'␍␊ > > [11:41:14:801] Some drivers were not found␍␊ > > [11:41:14:803] Reset Source: Power-on reset has occurred.␍␊ > > [11:41:14:808] MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1␍␊ > > [11:41:14:812] Using default environment␍␊ > > [11:41:14:812] ␍␊ > > [11:41:14:874] Board: BeagleBone Black␍␊ > > [11:41:14:878] <ethaddr> not set. Validating first E-fuse MAC␍␊ > > [11:41:14:934] BeagleBone Black:␍␊ > > [11:41:14:938] BeagleBone: cape eeprom: i2c_probe: 0x54:␍␊ > > [11:41:14:943] BeagleBone: cape eeprom: i2c_probe: 0x55:␍␊ > > [11:41:14:947] BeagleBone: cape eeprom: i2c_probe: 0x56:␍␊ > > [11:41:14:952] BeagleBone: cape eeprom: i2c_probe: 0x57:␍␊ > > [11:41:14:955] Net: eth0: MII MODE␍␊ > > [11:41:14:961] cpsw␍␊ > > [11:41:14:964] Press SPACE to abort autoboot in 2 seconds␍␊ > > [11:41:16:964] board_name=[A335BNLT] ...␍␊ > > [11:41:16:970] board_rev=[00C0] ...␍␊ > > [11:41:17:309] switch to partitions #0, OK␍␊ > > [11:41:17:309] mmc0 is current device␍␊ > > [11:41:17:385] SD/MMC found on device 0␍␊ > > [11:41:17:385] ** Bad device 0:2 0x82000000 **␍␊ > > [11:41:17:385] ** Bad device 0:2 0x82000000 **␍␊ > > [11:41:17:454] switch to partitions #0, OK␍␊ > > [11:41:17:457] mmc0 is current device␍␊ > > [11:41:17:548] Scanning mmc 0:1...␍␊ > > [11:41:17:960] gpio: pin 56 (gpio 56) value is 0␍␊ > > [11:41:17:965] gpio: pin 55 (gpio 55) value is 0␍␊ > > [11:41:17:966] gpio: pin 54 (gpio 54) value is 0␍␊ > > [11:41:17:971] gpio: pin 53 (gpio 53) value is 1␍␊ > > [11:41:18:042] switch to partitions #0, OK␍␊ > > [11:41:18:046] mmc0 is current device␍␊ > > [11:41:18:115] gpio: pin 54 (gpio 54) value is 1␍␊ > > [11:41:18:333] Checking for: /uEnv.txt ...␍␊ > > [11:41:18:369] Checking for: /boot.scr ...␍␊ > > [11:41:18:404] Checking for: /boot/boot.scr ...␍␊ > > [11:41:18:464] Checking for: /boot/uEnv.txt ...␍␊ > > [11:41:18:520] gpio: pin 55 (gpio 55) value is 1␍␊ > > [11:41:18:576] 2141 bytes read in 49 ms (42 KiB/s)␍␊ > > [11:41:18:581] Loaded environment from /boot/uEnv.txt␍␊ > > [11:41:18:586] Checking if uname_r is set in /boot/uEnv.txt...␍␊ > > [11:41:18:590] gpio: pin 56 (gpio 56) value is 1␍␊ > > [11:41:18:594] Running uname_boot ...␍␊ > > [11:41:18:653] loading /boot/vmlinuz-4.4.87-ti-rt-r121 ...␍␊ > > [11:41:19:263] 8725520 bytes read in 602 ms (13.8 MiB/s)␍␊ > > [11:41:19:269] uboot_overlays: [uboot_base_dtb=am335x-boneblack-uboot.dtb] > ...␍␊ > > [11:41:19:360] uboot_overlays: Switching too: dtb=am335x-boneblack-uboot.dtb > ...␍␊ > > [11:41:19:451] loading /boot/dtbs/4.4.87-ti-rt-r121/am335x-boneblack-uboot > .dtb ...␍␊ > > [11:41:19:547] 53128 bytes read in 86 ms (602.5 KiB/s)␍␊ > > [11:41:19:553] uboot_overlays: [fdt_buffer=0x60000] ...␍␊ > > [11:41:19:800] uboot_overlays: loading /lib/firmware/AM335X-20-00A0.dtbo > ...␍␊ > > [11:41:20:048] 378 bytes read in 238 ms (1000 Bytes/s)␍␊ > > [11:41:20:289] uboot_overlays: loading /lib/firmware/BB-BONE-eMMC1-01- > 00A0.dtbo ...␍␊ > > [11:41:20:525] 1105 bytes read in 226 ms (3.9 KiB/s)␍␊ > > [11:41:20:536] uboot_overlays: uboot loading of [/lib/firmware/BB-HDMI- > TDA998x-00A0.dtbo] disabled by /boot/uEnv.txt [disable_uboot_overlay_video > =1]...␍␊ > > [11:41:20:611] uboot_overlays: loading /lib/firmware/BB-ADC-00A0.dtbo > ...␍␊ > > [11:41:20:679] 695 bytes read in 58 ms (10.7 KiB/s)␍␊ > > [11:41:20:962] uboot_overlays: loading /lib/firmware/AM335X-PRU-UIO- > 00A0.dtbo ...␍␊ > > [11:41:21:241] 853 bytes read in 269 ms (2.9 KiB/s)␍␊ > > [11:41:21:294] uboot_overlays: loading /lib/firmware/univ-bbb-Exx- > 00A0.dtbo ...␍␊ > > [11:41:21:347] 92817 bytes read in 43 ms (2.1 MiB/s)␍␊ > > [11:41:22:542] loading /boot/initrd.img-4.4.87-ti-rt-r121 ...␍␊ > > [11:41:22:977] 5921265 bytes read in 426 ms (13.3 MiB/s)␍␊ > > [11:41:22:985] debug: [console=ttyO0,115200n8 bone_capemgr. > uboot_capemgr_enabled=1 root=/dev/mmcblk0p1 ro rootfstype=ext4 rootwait > coherent_pool=1M net.ifnames=0 quiet init=/lib/systemd/systemd > cape_universal=enable] ...␍␊ > > [11:41:23:004] debug: [bootz 0x82000000 0x88080000:5a59f1 88000000] ...␍␊ > > [11:41:23:011] ## Flattened Device Tree blob at 88000000␍␊ > > [11:41:23:015] Booting using the fdt blob at 0x88000000␍␊ > > [11:41:23:018] Loading Ramdisk to 8fa5a000, end 8ffff9f1 ... OK␍␊ > > [11:41:23:085] reserving fdt memory region: addr=88000000 size=7a000␍␊ > > [11:41:23:089] Loading Device Tree to 8f9dd000, end 8fa59fff ... OK␍␊ > > [11:41:23:105] ␍␊ > > [11:41:23:107] Starting kernel ...␍␊ > > [11:41:23:107] ␍␊ > > [11:41:26:070] [ 0.002366] clocksource_probe: no matching clocksources > found␍␊ > > [11:41:26:077] [ 2.520273] wkup_m3_ipc 44e11324.wkup_m3_ipc: could not > get rproc handle␍␊ > > [11:41:26:347] [ 2.807393] omap_voltage_late_init: Voltage driver > support not added␍␊ > > [11:41:26:362] [ 2.822380] PM: Cannot get wkup_m3_ipc handle␍␊ > > [11:43:14:563] rootfs: recovering journal␍␊ > > [11:43:15:897] rootfs: clean, 44356/217728 files, 416930/869376 blocks␍␊ > > [11:43:44:465] [<0x1b>[0m<0x1b>[0;31m* <0x1b>[0m] (1 of 3) A start > job is running for dev-ttyS0.device (27s / 1min 30s)␍<0x1b>[K[<0x1b>[0;32m > OK <0x1b>[0m] Found device /dev/ttyS0.␍␊ > > [11:43:49:102] [<0x1b>[0;32m OK <0x1b>[0m] Started Serial Getty on ttyS0 > .␍␊ > > [11:43:50:297] ␍␍␊ > > Any ideas what's happening between these two lines? > > Thanks, > Alexander > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/c88a8ed9-509a-41a6-8983-d91b65e97c0b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
