Also
debug: [console=ttyO0,115200n8 root=/dev/mmcblk1p1 ro rootfstype=ext4
rootwait ipv6.disable=1
is not what I have.
william@beaglebone:~$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
mmcblk0boot0 179:8 0 2M 1 disk
mmcblk0boot1 179:16 0 2M 1 disk
mmcblk0 179:0 0 3.6G 0 disk
`-mmcblk0p1 179:1 0 3.6G 0 part
mmcblk1 179:24 0 14.7G 0 disk
`-mmcblk1p1 179:25 0 1.7G 0 part /
william@beaglebone:~$ sudo mount /dev/mmcblk0p1 /media/rootfs/
[sudo] password for william:
william@beaglebone:~$ cd /media/rootfs/
william@beaglebone:/media/rootfs$ sudo cat uEnv.txt|grep mmcblk0p1
#mmcroot=/dev/mmcblk0p1
mmcargs=setenv bootargs console=tty0 console=${console} ${optargs}
${cape_disable} ${cape_enable} root=/dev/mmcblk0p1 ro
rootfstype=${mmcrootfstype} ${cmdline}
william@beaglebone:/media/rootfs$ cat etc/fstab
# UNCONFIGURED FSTAB FOR BASE SYSTEM
/dev/mmcblk0p1 / auto errors=remount-ro 0 1
I also tried your suggestion and used uenv_root, but it made no difference.
uboot is overriding what I set for root=
On Thu, Jul 28, 2016 at 3:18 PM, William Hermans <[email protected]> wrote:
> Still not working. The dahmed thing insists on booting from mmcblk1 when
> there is not mmcblk1 inserted. But as soon as I do insert an sdcard, it
> boots from it.
>
> Checking for: /boot/uEnv.txt ...
> gpio: pin 55 (gpio 55) value is 1
> 1181 bytes read in 19 ms (60.5 KiB/s)
> Loaded environment from /boot/uEnv.txt
> debug: [dtb=am335x-boneblack-emmc-overlay.dtb] ...
> Using: dtb=am335x-boneblack-emmc-overlay.dtb ...
> Checking if uname_r is set in /boot/uEnv.txt...
> gpio: pin 56 (gpio 56) value is 1
> Running uname_boot ...
> loading /boot/vmlinuz-4.4.9-bone10 ...
> 7400656 bytes read in 426 ms (16.6 MiB/s)
> loading /boot/dtbs/4.4.9-bone10/am335x-boneblack-emmc-overlay.dtb ...
> 54722 bytes read in 61 ms (876 KiB/s)
> debug: [console=ttyO0,115200n8 root=/dev/mmcblk1p1 ro rootfstype=ext4
> rootwait ipv6.disable=1] ...
> debug: [bootz 0x82000000 - 0x88000000] ...
> Kernel image @ 0x82000000 [ 0x000000 - 0x70ecd0 ]
> ## Flattened Device Tree blob at 88000000
> Booting using the fdt blob at 0x88000000
> Using Device Tree in place at 88000000, end 880105c1
>
> Starting kernel ...
> . . .
> 4.909003] bone_capemgr bone_capemgr:
> compatible-baseboard=ti,beaglebone-black - #slots=4
> [ 4.973365] bone_capemgr bone_capemgr: slot #0: No cape found
> [ 5.033361] bone_capemgr bone_capemgr: slot #1: No cape found
> [ 5.093361] bone_capemgr bone_capemgr: slot #2: No cape found
> [ 5.153364] bone_capemgr bone_capemgr: slot #3: No cape found
> [ 5.159194] bone_capemgr bone_capemgr: initialized OK.
> [ 5.165483] omap_rtc 44e3e000.rtc: setting system clock to 2000-01-01
> 00:00:00 UTC (946684800)
> [ 5.174197] of_cfs_init
> [ 5.176733] of_cfs_init: OK
> [ 5.183637] Waiting for root device /dev/mmcblk1p1...
>
> Andhere it'll sit until i insert and sdcard, or reboot.
>
> On Thu, Jul 28, 2016 at 2:46 PM, William Hermans <[email protected]>
> wrote:
>
>> Robert,
>>
>> Ok, here is exactly what I did, incase you might spot something else I
>> did wrong . . .
>>
>> I downloaded your barefs, chroot'd into it, and used APT to install a
>> 4.4*bone* kernel, and a few tools. tar'd that up, and tar'd it back to a
>> working single partition (eMMC)
>>
>> The kernel loads, but get stuck on the line I showed above. So I may need
>> to change to mmcblk1 ? Will give your suggestion a try. . .
>>
>> On Thu, Jul 28, 2016 at 2:37 PM, Robert Nelson <[email protected]>
>> wrote:
>>
>>> On Thu, Jul 28, 2016 at 4:16 PM, William Hermans <[email protected]>
>>> wrote:
>>> >
>>> > ---------- Forwarded message ----------
>>> > From: William Hermans <[email protected]>
>>> > Date: Thu, Jul 28, 2016 at 2:15 PM
>>> > Subject: [beagleboard] cutsom rootfs RCN kernel
>>> > To: BeagleBoard <[email protected]>
>>> >
>>> >
>>> > So . . .
>>> >
>>> > [ 5.174190] of_cfs_init
>>> > [ 5.176726] of_cfs_init: OK
>>> > [ 5.183633] Waiting for root device /dev/mmcblk1p1...
>>> >
>>> > The problem *is* . . .
>>> > william@ds:~/armhf-rootfs$ cat uEnv.txt | grep mmcroot
>>> > mmcroot=/dev/mmcblk0p1
>>> > mmcargs=setenv bootargs console=tty0 console=${console} ${optargs}
>>> > ${cape_disable} ${cape_enable} root=${mmcroot}
>>> rootfstype=${mmcrootfstype}
>>> > ${cmdline}
>>> >
>>> > So this path must be coming from the initramfs *somehow* except there
>>> is no
>>> > initramfs. I may be able to fix this by setting root=/dev/mmcblk0p1 in
>>> the
>>> > second stage uEnv.txt, but what gives ?
>>>
>>> try setting:
>>>
>>> uenv_root=/dev/mmcblk0p1
>>>
>>> with mainline v4.5.x+ and our "v4.4.x-ti" this now applies:
>>>
>>> https://forum.digikey.com/thread/34533
>>>
>>> microSD = mmcblk0
>>> eMMC = mmcblk1
>>>
>>> Regards,
>>>
>>> --
>>> Robert Nelson
>>> https://rcn-ee.com/
>>>
>>
>>
>
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