I'm having the same issue and wondering if this was resolved? I'm getting the exact same error message when trying to start and here is my tail of dmesg
[ 86.179253] pruss 4a300000.pruss: creating PRU cores and other child platform devices [ 86.211623] remoteproc remoteproc1: 4a334000.pru is available [ 86.211753] pru-rproc 4a334000.pru: PRU rproc node /ocp/pruss_soc_bus@4a326004/pruss@0/pru@34000 probed successfully [ 86.219632] remoteproc remoteproc2: 4a338000.pru is available [ 86.219765] pru-rproc 4a338000.pru: PRU rproc node /ocp/pruss_soc_bus@4a326004/pruss@0/pru@38000 probed successfully [ 112.609040] remoteproc remoteproc1: powering up 4a334000.pru [ 112.614874] remoteproc remoteproc1: Direct firmware load for am335x-pru0-fw failed with error -2 [ 112.614903] remoteproc remoteproc1: request_firmware failed: -2 [ 112.624747] remoteproc remoteproc1: Boot failed: -2 [ 120.185318] remoteproc remoteproc1: powering up 4a334000.pru [ 120.185412] remoteproc remoteproc1: Direct firmware load for am335x-pru0-fw failed with error -2 [ 120.185431] remoteproc remoteproc1: request_firmware failed: -2 [ 120.197453] remoteproc remoteproc1: Boot failed: -2 [ 140.249570] remoteproc remoteproc1: powering up 4a334000.pru [ 140.249661] remoteproc remoteproc1: Direct firmware load for am335x-pru0-fw failed with error -2 [ 140.249678] remoteproc remoteproc1: request_firmware failed: -2 [ 140.262930] remoteproc remoteproc1: Boot failed: -2 [ 189.299778] remoteproc remoteproc1: powering up 4a334000.pru [ 189.299866] remoteproc remoteproc1: Direct firmware load for am335x-pru0-fw failed with error -2 [ 189.299884] remoteproc remoteproc1: request_firmware failed: -2 [ 189.311901] remoteproc remoteproc1: Boot failed: -2 [ 351.346600] remoteproc remoteproc1: powering up 4a334000.pru [ 351.346699] remoteproc remoteproc1: Direct firmware load for am335x-pru0-fw failed with error -2 [ 351.346716] remoteproc remoteproc1: request_firmware failed: -2 [ 351.357944] remoteproc remoteproc1: Boot failed: -2 [ 376.604021] remoteproc remoteproc1: powering up 4a334000.pru [ 376.604110] remoteproc remoteproc1: Direct firmware load for am335x-pru0-fw failed with error -2 [ 376.604128] remoteproc remoteproc1: request_firmware failed: -2 [ 376.615227] remoteproc remoteproc1: Boot failed: -2 [ 414.102771] remoteproc remoteproc1: powering up 4a334000.pru [ 414.102862] remoteproc remoteproc1: Direct firmware load for am335x-pru0-fw failed with error -2 [ 414.102879] remoteproc remoteproc1: request_firmware failed: -2 [ 414.113818] remoteproc remoteproc1: Boot failed: -2 [ 620.182892] remoteproc remoteproc1: powering up 4a334000.pru [ 620.182982] remoteproc remoteproc1: Direct firmware load for am335x-pru0-fw failed with error -2 [ 620.183003] remoteproc remoteproc1: request_firmware failed: -2 [ 620.193899] remoteproc remoteproc1: Boot failed: -2 Following the setup exactly in Exploring BBB D Molloy chp15 On Monday, March 11, 2019 at 12:35:58 PM UTC-6, [email protected] wrote: > > Could you post the output of "dmesg | tail -40" so that we can see the > other remoteproc related kernel messages? > > Are you by any chance using pru-gcc? If yes, you would need to upgrade > your kernel to 4.14.94-ti-r96 . If you are using clpru then you should be > fine. > > Regards, > Dimitar > > On Sunday, March 10, 2019 at 6:27:40 PM UTC+2, gw wrote: >> >> Hello. >> I need help regarding PRU. >> I tried to enable the PRU by a command below. >> >> *root@beaglebone:/sys/class/remoteproc/remoteproc1# echo 'start' > state >> * >> -bash: echo: write error: No such file or directory >> >> But I get above result and PRU does not start. >> I also tried sudo sh -c "echo 'start' > state" but I got an I/O error. >> >> Please help me. >> Below are related information. >> >> >> *debian@beaglebone:~$ dmesg |grep pru* >> [ 82.512558] pruss 4a300000.pruss: creating PRU cores and other child >> platform devices >> [ 82.531307] remoteproc remoteproc1: 4a334000.pru is available >> [ 82.531436] pru-rproc 4a334000.pru: PRU rproc node >> /ocp/pruss_soc_bus@4a326004/pruss@0/pru@34000 probed successfully >> [ 82.539513] remoteproc remoteproc2: 4a338000.pru is available >> [ 82.539647] pru-rproc 4a338000.pru: PRU rproc node >> /ocp/pruss_soc_bus@4a32600 >> [ 1864.134156] remoteproc remoteproc1: powering up 4a334000.pru >> [ 1864.134336] remoteproc remoteproc1: Direct firmware load for >> am335x-pru0-fw failed with error -2 >> >> *root@beaglebone:/sys/class/remoteproc/remoteproc1# sudo >> /opt/scripts/tools/version.sh* >> git:/opt/scripts/:[1aa73453b2c980b75e31e83dab7dd8b6696f10c7] >> eeprom:[A335BNLTBWA51712EW004500] >> model:[TI_AM335x_BeagleBone_Black_Wireless] >> dogtag:[BeagleBoard.org Debian Image 2018-10-07] >> bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot >> 2018.09-00002-g0b54a51eee]:[location: dd MBR] >> kernel:[4.14.71-ti-r80] >> nodejs:[v6.14.4] >> uboot_overlay_options:[enable_uboot_overlays=1] >> uboot_overlay_options:[disable_uboot_overlay_video=1] >> >> uboot_overlay_options:[uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-14-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]:[4.4.20180928.0-0rcnee0~stretch+20180928] >> pkg:[bb-wl18xx-firmware]:[1.20180517-0rcnee0~stretch+20180517] >> pkg:[kmod]:[23-2rcnee1~stretch+20171005] >> pkg:[librobotcontrol]:[1.0.3-git20181005.0-0rcnee0~stretch+20181005] >> pkg:[firmware-ti-connectivity]:[20170823-1rcnee1~stretch+20180328] >> groups:[debian : debian adm kmem dialout cdrom floppy audio dip video >> plugdev users systemd-journal i2c bluetooth netdev cloud9ide gpio pwm eqep >> admin spi tisdk weston-launch xenomai] >> cmdline:[console=ttyO0,115200n8 bone_capemgr.uboot_capemgr_enabled=1 >> root=/dev/mmcblk1p1 ro rootfstype=ext4 rootwait coherent_pool=1M >> net.ifnames=0 quiet] >> dmesg | grep pinctrl-single >> [ 1.115968] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 >> size 568 >> dmesg | grep gpio-of-helper >> [ 1.127852] gpio-of-helper ocp:cape-universal: ready >> END >> >> -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/238ad7a1-2ef6-44ec-a16d-66c7ff3cb763%40googlegroups.com.
