When I boot Stretch with the /boot/uEnv.txt containing this:
dtb=am335x-boneblack-emmc-overlay.dtb
Then the SD card will start booting, all the LEDs pause, then restart and
it boots from emmc instead! Is this a bug?
My emmc is loaded with Jessie, so I can easily tell when this happens.
Also, this doesn't appear to happen on Jessie.
uEnv.txt:
#Docs: http://elinux.org/Beagleboard:U-boot_partitioning_layout_2.0
<https://www.element14.com/community/external-link.jspa?url=http%3A%2F%2Felinux.org%2FBeagleboard%3AU-boot_partitioning_layout_2.0>
uname_r=4.9.78-ti-r94
#uuid=
# this one boots to emmc even when starting from SD card
#dtb=am335x-boneblack-emmc-overlay.dtb
dtb=am335x-boneblack-uboot.dtb
###U-Boot Overlays###
###Documentation:
http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_Overlays
<https://www.element14.com/community/external-link.jspa?url=http%3A%2F%2Felinux.org%2FBeagleboard%3ABeagleBoneBlack_Debian%23U-Boot_Overlays>
###Master Enable
enable_uboot_overlays=1
###
###Overide capes with eeprom
#uboot_overlay_addr0=/lib/firmware/<file0>.dtbo
#uboot_overlay_addr1=/lib/firmware/<file1>.dtbo
#uboot_overlay_addr2=/lib/firmware/<file2>.dtbo
#uboot_overlay_addr3=/lib/firmware/<file3>.dtbo
###
###Additional custom capes
#uboot_overlay_addr4=/lib/firmware/<file4>.dtbo
#uboot_overlay_addr5=/lib/firmware/<file5>.dtbo
#uboot_overlay_addr6=/lib/firmware/<file6>.dtbo
#uboot_overlay_addr7=/lib/firmware/<file7>.dtbo
###
###Custom Cape
#dtb_overlay=/lib/firmware/<file8>.dtbo
###
###Disable auto loading of virtual capes (emmc/video/wireless/adc)
#disable_uboot_overlay_emmc=1
#disable_uboot_overlay_video=1
#disable_uboot_overlay_audio=1
#disable_uboot_overlay_wireless=1
#disable_uboot_overlay_adc=1
###
###PRUSS OPTIONS
###pru_rproc (4.4.x-ti kernel)
#uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-4-TI-00A0.dtbo
###pru_uio (4.4.x-ti & mainline/bone kernel)
#uboot_overlay_pru=/lib/firmware/AM335X-PRU-UIO-00A0.dtbo
###
###Cape Universal Enable
enable_uboot_cape_universal=1
###
###Debug: disable uboot autoload of Cape
#disable_uboot_overlay_addr0=1
#disable_uboot_overlay_addr1=1
#disable_uboot_overlay_addr2=1
#disable_uboot_overlay_addr3=1
###
###U-Boot fdt tweaks... (60000 = 384KB)
#uboot_fdt_buffer=0x60000
###U-Boot Overlays###
cmdline=coherent_pool=1M net.ifnames=0 quiet
#In the event of edid real failures, uncomment this next line:
#cmdline=coherent_pool=1M net.ifnames=0 quiet video=HDMI-A-1:1024x768@60e
##Example v3.8.x
#cape_disable=capemgr.disable_partno=
#cape_enable=capemgr.enable_partno=
Any ideas?
Thanks,
Aaron
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