Hello, I have the same issue I've tried many combinations in the uEnv.txt file to disable my emmc, but all of the time I get.....
root@beaglebone:~# config-pin -a P8_4 in+ bash: /sys/devices/platform/ocp/ocp*P8_04_pinmux/state: No such file or directory Cannot write pinmux file: /sys/devices/platform/ocp/ocp*P8_04_pinmux/state in dmesg: [ 37.905449] bone-pinmux-helper ocp:P8_04_pinmux: Error applying setting, reverse things back [ 37.938495] pinctrl-single 44e10800.pinmux: pin 44e1081c.0 already requested by 481d8000.mmc; cannot claim for ocp:P8_04_pinmux [ 37.950240] pinctrl-single 44e10800.pinmux: pin-7 (ocp:P8_04_pinmux) status -22 [ 37.957691] pinctrl-single 44e10800.pinmux: could not request pin 7 ( 44e1081c.0) from group pinmux_P8_04_default_pin on device pinctrl-single [ 37.970584] bone-pinmux-helper ocp:P8_04_pinmux: Error applying setting, reverse things back [ 37.979109] bone-pinmux-helper ocp:P8_04_pinmux: Failed to select default state in slots: root@beaglebone:~# cat /sys/devices/platform/bone_capemgr/slots 0: PF---- -1 1: PF---- -1 2: PF---- -1 3: PF---- -1 4: P-O-L- 0 Override Board Name,00A0,Override Manuf,cape-universala some info: Debian Jessie, running on a BeagleBone Green root@beaglebone:~# cat /etc/dogtag BeagleBoard.org Debian Image 2017-10-10 root@beaglebone:~# uname -na Linux beaglebone 4.4.91-ti-r133 #1 SMP Tue Oct 10 05:18:08 UTC 2017 armv7l GNU/Linux If someone can give me some help, I'd really appreciate this! thanks! -- 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/4ca64cca-fe27-44b0-b603-fb1ed41a36b8%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
