How to tell if BBB is booted to the eMMC or the microSD card if both has the same version of Debian?

[Luther Goh Lu Feng]

As above subject

[marty leisner]

Its easy if the sdcard and MMC have different sizes.

There are a few other things I haven/'t verified -- I suppose you can look in dmesg -- on my sdcard debian 9 host I'm seeing:

[    4.680486] mmc0: new high speed SDHC card at address 1234
[    4.686231] sdhci-pltfm: SDHCI platform and OF driver helper
[    4.692167] ledtrig-cpu: registered to indicate activity on CPUs
[    4.698939] mmcblk0: mmc0:1234 SA08G 7.21 GiB

[    4.822750] mmc1: new high speed MMC card at address 0001
[    4.828919] mmcblk1: mmc1:0001 S10004 3.56 GiB
[    4.833762] mmcblk1boot0: mmc1:0001 S10004 partition 1 4.00 MiB
[    4.839948] mmcblk1boot1: mmc1:0001 S10004 partition 2 4.00 MiB
[    4.847235]  mmcblk1: p1

I'm interested too in a "definitive" (not heurestic) method.

marty

On Sat, Aug 5, 2017 at 2:55 PM, 'Luther Goh Lu Feng' via BeagleBoard <beagl...@googlegroups.com> wrote:

As above subject

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