Try updating your scripts and kernel. https://beagleboard.org/upgrade
I am able to run the blinkInternalLED.pru1.c example without issue. This is what I am running on my BB Black: *debian@beaglebone:/var/lib/cloud9/common$ sudo /opt/scripts/tools/version.sh* *git:/opt/scripts/:[20c080bc91f243ef852a704758788a31083b0f9e]* *eeprom:[A335BNLT00C0414BBBK0218▒]* *model:[TI_AM335x_BeagleBone_Black]* *dogtag:[BeagleBoard.org Debian Buster LXQt Image 2020-08-25]* *bootloader:[microSD-(push-button)]:[/dev/mmcblk0]:[U-Boot 2019.04-00002-gc9b3922522]:[location: dd MBR]* *bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot 2019.04-00002-gc9b3922522]:[location: dd MBR]* *UBOOT: Booted Device-Tree:[am335x-boneblack-uboot-univ.dts]* *UBOOT: Loaded Overlay:[AM335X-PRU-RPROC-4-19-TI-00A0]* *UBOOT: Loaded Overlay:[BB-ADC-00A0]* *UBOOT: Loaded Overlay:[BB-BONE-eMMC1-01-00A0]* *UBOOT: Loaded Overlay:[BB-HDMI-TDA998x-00A0]* *kernel:[4.19.94-ti-r51]* *nodejs:[v10.21.0]* Cheers, Jon On Mon, Oct 19, 2020 at 9:51 AM Mark A. Yoder <mark.a.yo...@gmail.com> wrote: > *sudo dd if=/dev/zero of=/dev/mmcblk1 bs=1M count=1* solved the problem. > > On Friday, October 16, 2020 at 4:58:57 PM UTC-4 emil...@gmail.com wrote: > >> I'm trying to run the pru examples in /var/lib/cloud9 and I am getting >> this error message. Anyone have any suggestions? >> >> Started /var/lib/cloud9/: neopixelDynamic.pru0.c >> File path: /var/lib/cloud9/BeagleBone/Black/pru >> File: /var/lib/cloud9/BeagleBone/Black/pru/neopixelDynamic.pru0.c >> Arguments: >> File name: neopixelDynamic.pru0.c >> File extension: c >> File base name: neopixelDynamic.pru0 >> Packages: ~.c9/packages >> Project path: /var/lib/cloud9/ >> Project name: projectname >> Hostname: localhost >> Hostname path: >> https://undefined/BeagleBone/Black/pru/neopixelDynamic.pru0.c >> URL: http://localhost >> Port: 8080 >> IP: 0.0.0.0 >> Command: BeagleBone/Black/pru/neopixelDynamic.pru0.c >> Python: python3 >> Python path: >> /usr/lib/python3.7/dist-packages:/usr/local/lib/python3.7/dist-packages >> /var/lib/cloud9/common/Makefile:27: >> MODEL=TI_AM335x_BeagleBone_Black,TARGET=neopixelDynamic.pru0,COMMON=/var/lib/cloud9/common >> /var/lib/cloud9/common/Makefile:146: >> GEN_DIR=/tmp/cloud9-examples,CHIP=am335x,PROC=pru,PRUN=0,PRU_DIR=/dev/remoteproc/pruss-core0,EXE=.out >> - Stopping PRU 0 >> /bin/sh: 1: cannot create /dev/remoteproc/pruss-core0/state: Directory >> nonexistent >> Cannot stop 0 >> CC neopixelDynamic.pru0.c >> "/var/lib/cloud9/common/prugpio.h", line 55: warning #1181-D: #warning >> directive: "Found am335x" >> LD /tmp/cloud9-examples/neopixelDynamic.pru0.o >> - copying firmware file >> /tmp/cloud9-examples/neopixelDynamic.pru0.out to >> /lib/firmware/am335x-pru0-fw >> write_init_pins.sh >> writing "pruout" to "/sys/devices/platform/ocp/ocp:P9_31_pinmux/state" >> - Starting PRU 0 >> /bin/sh: 1: cannot create /dev/remoteproc/pruss-core0/state: Directory >> nonexistent >> make: *** [/var/lib/cloud9/common/Makefile:166: start] Error 2 >> rm /tmp/cloud9-examples/neopixelDynamic.pru0.o >> >> >> >> *debian@beaglebone:/var/lib/cloud9/BeagleBone/Black/pru$ sudo >> /opt/scripts/tools/version.sh * >> *[sudo] password for debian: * >> *git:/opt/scripts/:[ef16ffa8c27225005cc2b2c974a83da3dee6c1ef]* >> *eeprom:[A335BNLT000C2025BBBG0598]* >> *model:[TI_AM335x_BeagleBone_Black]* >> *dogtag:[BeagleBoard.org Debian Buster IoT Image 2020-08-31]* >> *bootloader:[microSD-(push-button)]:[/dev/mmcblk0]:[U-Boot >> 2019.04-00002-gc9b3922522]:[location: dd MBR]* >> *bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot >> 2019.04-00002-gf15b99f0b6]:[location: dd MBR]* >> *UBOOT: Booted Device-Tree:[am335x-boneblack-uboot-univ.dts]* >> *UBOOT: Loaded Overlay:[BB-ADC-00A0]* >> *UBOOT: Loaded Overlay:[BB-BONE-eMMC1-01-00A0]* >> *kernel:[4.19.94-ti-r50]* >> *nodejs:[v10.21.0]* >> */boot/uEnv.txt Settings:* >> *uboot_overlay_options:[enable_uboot_overlays=1]* >> *uboot_overlay_options:[disable_uboot_overlay_video=1]* >> >> *uboot_overlay_options:[uboot_overlay_pru=AM335X-PRU-RPROC-4-19-TI-00A0.dtbo]* >> *uboot_overlay_options:[enable_uboot_cape_universal=1]* >> *pkg check: to individually upgrade run: [sudo apt install --only-upgrade >> <pkg>]* >> *pkg:[bb-cape-overlays]:[4.14.20200814.0-0~buster+20200814]* >> *pkg:[bb-wl18xx-firmware]:[1.20200813.1-0~buster+20200813]* >> *pkg:[kmod]:[26-1]* >> *pkg:[librobotcontrol]:[1.0.5-git20200715.0-0~buster+20200716]* >> *pkg:[firmware-ti-connectivity]:[20190717-2rcnee1~buster+20200305]* >> *groups:[debian : debian adm kmem dialout cdrom floppy audio dip video >> plugdev users systemd-journal input bluetooth netdev i2c gpio admin spi iio >> docker tisdk weston-launch xenomai cloud9ide pwm eqep remoteproc]* >> *cmdline:[console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 >> root=/dev/mmcblk0p1 ro rootfstype=ext4 rootwait coherent_pool=1M >> net.ifnames=0 lpj=1990656 rng_core.default_quality=100 quiet]* >> *dmesg | grep remote* >> *[ 63.167635] remoteproc remoteproc0: wkup_m3 is available* >> *[ 63.236184] remoteproc remoteproc0: powering up wkup_m3* >> *[ 63.236216] remoteproc remoteproc0: Booting fw image >> am335x-pm-firmware.elf, size 217168* >> *[ 63.236494] remoteproc remoteproc0: remote processor wkup_m3 is now >> up* >> *dmesg | grep pru* >> *dmesg | grep pinctrl-single* >> *[ 0.926013] pinctrl-single 44e10800.pinmux: 142 pins, size 568* >> *dmesg | grep gpio-of-helper* >> *[ 0.939591] gpio-of-helper ocp:cape-universal: ready* >> *lsusb* >> *Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub* >> *END* >> *debian@beaglebone:/var/lib/cloud9/BeagleBone/Black/pru$ * >> >> -- > 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/8a51b087-8a9f-4fa0-a222-aeee35b4a07en%40googlegroups.com > <https://groups.google.com/d/msgid/beagleboard/8a51b087-8a9f-4fa0-a222-aeee35b4a07en%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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