i don't know why, but now i can find the folder /sys/devices but not "bone_capemgr.*
root@beaglebone:/lib/firmware# cd /sys/devices/bone_capemgr.* -bash: cd: /sys/devices/bone_capemgr.*: *No such file or directory* root@beaglebone:/lib/firmware# cd /sys/devices/ root@beaglebone:/sys/devices# :-( and by the way uEnv.txt seems already wrong - hdmi is off (only one cmdline is activated) #Docs: http://elinux.org/Beagleboard:U-boot_partitioning_layout_2.0 uname_r=4.1.15-ti-rt-r43 #uuid= #dtb= ##BeagleBone Black/Green dtb's for v4.1.x (BeagleBone White just works..) ##BeagleBone Black: HDMI (Audio/Video) disabled: #dtb=am335x-boneblack-emmc-overlay.dtb ##BeagleBone Black: eMMC disabled: #dtb=am335x-boneblack-hdmi-overlay.dtb ##BeagleBone Black: HDMI Audio/eMMC disabled: #dtb=am335x-boneblack-nhdmi-overlay.dtb ##BeagleBone Black: HDMI (Audio/Video)/eMMC disabled: #dtb=am335x-boneblack-overlay.dtb ##BeagleBone Black: wl1835 #dtb=am335x-boneblack-wl1835mod.dtb ##BeagleBone Green: eMMC disabled #dtb=am335x-bonegreen-overlay.dtb #cmdline=coherent_pool=1M quiet cape_universal=enable #In the event of edid real failures, uncomment this next line: cmdline=coherent_pool=1M quiet cape_universal=enable video=HDMI-A-1:x800@400e ##Example v3.8.x #cape_disable=capemgr.disable_partno= #cape_enable=capemgr.enable_partno= ##Example v4.1.x #cape_disable=bone_capemgr.disable_partno= #cape_enable=bone_capemgr.enable_partno= ##Disable HDMI/eMMC (v3.8.x) #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN,BB-BONE-EMMC-2G ##Disable HDMI (v3.8.x) #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN ##Disable eMMC (v3.8.x) #cape_disable=capemgr.disable_partno=BB-BONE-EMMC-2G ##Audio Cape (needs HDMI Audio disabled) (v3.8.x) #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI #cape_enable=capemgr.enable_partno=BB-BONE-AUDI-02 ##enable Generic eMMC Flasher: ##make sure, these tools are installed: dosfstools rsync #cmdline=init=/opt/scripts/tools/eMMC/init-eMMC-flasher-v3.sh Am Dienstag, 21. Juni 2016 23:57:04 UTC+2 schrieb [email protected]: > > *>You need to comment out the cmdline= line that you're not using. As you > can only have one cmdline= statement.* > > Yes but the problem is, that this two cmdline was already entry in the > orginal. So thats because i have try with two. But anyway my hdmi output is > already off also with only one cmdline :-( > > And concerning /sys/devices, i have verified this not only with the > terminal, i could really not found this folder! After lib/firmware/ i could > not see any other folder with sys or devices?? > > > Am Dienstag, 21. Juni 2016 18:30:36 UTC+2 schrieb William Hermans: >> >> If you're using kernel 4.x you should stop reading anything on adafruit's >> web pages unless you know how to parse old outdated information. Which >> obviously you do not. >> >> So . . . sys/devices won't always exist. but /sys/devices should. You >> need the forward slash unless your current working directory is / ( or root >> ). When used without the precceding forward slash, Linux will only look as >> far as your current working directory for sys/devices/ >> >> As to your specific problem. It's because you're not paying close >> attention to what you're doing, and what Robert explained to you yesterday. >> >> *cmdline=coherent_pool=1M quiet cape_universal=enable* >> >> #In the event of edid real failures, uncomment this next line: >> >> >> *cmdline=coherent_pool=1M quiet cape_universal=enable >> video=HDMI-A-1:x800@400e* >> You need to comment out the cmdline= line that you're not using. As you >> can only have one cmdline= statement. >> >> >> On Tue, Jun 21, 2016 at 8:56 AM, epi kao <[email protected]> wrote: >> >>> >>> Hello all, >>> >>> *I have try to understand export/unexport overlay with following link:* >>> >>> https://learn.adafruit.com/introduction-to-the-beaglebone-black-device-tree/exporting-and-unexporting-an-overlay >>> >>> But then i don't found the folder "sys/devices/" >>> >>> So i have try to remove the # at the line >>> #cape_disable=bone_capemgr.disable_partno= , on the uEnv.txt file. >>> >>> But after reset, the hdmi-output has switched off. >>> *So I have change the uEnv.txt file back to orginal, but unfortunately >>> the hdmi is not working anymore?? :-(* >>> >>> Please find below my current uEnv.txt file, so whats wrong now? - and >>> how can i access/enable overlays like the LCDcap?: >>> >>> uname_r=4.1.15-ti-rt-r43 >>> #uuid= >>> #dtb= >>> >>> ##BeagleBone Black/Green dtb's for v4.1.x (BeagleBone White just works..) >>> >>> ##BeagleBone Black: HDMI (Audio/Video) disabled: >>> #dtb=am335x-boneblack-emmc-overlay.dtb >>> >>> ##BeagleBone Black: eMMC disabled: >>> #dtb=am335x-boneblack-hdmi-overlay.dtb >>> >>> ##BeagleBone Black: HDMI Audio/eMMC disabled: >>> #dtb=am335x-boneblack-nhdmi-overlay.dtb >>> >>> ##BeagleBone Black: HDMI (Audio/Video)/eMMC disabled: >>> #dtb=am335x-boneblack-overlay.dtb >>> >>> ##BeagleBone Black: wl1835 >>> #dtb=am335x-boneblack-wl1835mod.dtb >>> >>> ##BeagleBone Green: eMMC disabled >>> #dtb=am335x-bonegreen-overlay.dtb >>> >>> cmdline=coherent_pool=1M quiet cape_universal=enable >>> >>> #In the event of edid real failures, uncomment this next line: >>> cmdline=coherent_pool=1M quiet cape_universal=enable >>> video=HDMI-A-1:x800@400e >>> >>> ##Example v3.8.x >>> #cape_disable=capemgr.disable_partno= >>> #cape_enable=capemgr.enable_partno= >>> >>> ##Example v4.1.x >>> #cape_disable=bone_capemgr.disable_partno= >>> #cape_enable=bone_capemgr.enable_partno= >>> >>> ##Disable HDMI/eMMC (v3.8.x) >>> >>> #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN,BB-BONE-EMMC-2G >>> >>> ##Disable HDMI (v3.8.x) >>> #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN >>> >>> ##Disable eMMC (v3.8.x) >>> #cape_disable=capemgr.disable_partno=BB-BONE-EMMC-2G >>> >>> ##Audio Cape (needs HDMI Audio disabled) (v3.8.x) >>> #cape_disable=capemgr.disable_partno=BB-BONELT-HDMI >>> #cape_enable=capemgr.enable_partno=BB-BONE-AUDI-02 >>> >>> >>> ##enable Generic eMMC Flasher: >>> ##make sure, these tools are installed: dosfstools rsync >>> #cmdline=init=/opt/scripts/tools/eMMC/init-eMMC-flasher-v3.sh >>> >>> 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 [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/beagleboard/34a7a95e-715f-4f64-81ed-e8f4330323aa%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/beagleboard/34a7a95e-715f-4f64-81ed-e8f4330323aa%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- 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/f1f2d98b-44c1-4461-8ccc-df951ac28933%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
