now hdmi is working, i don't know why, i have deleted the last empty line, and actived the second cmdline instead the first....
*so i am only looking for a solution regarding this "bone_capemgr.*" .... why i cannot find this file?* Am Mittwoch, 22. Juni 2016 08:44:07 UTC+2 schrieb epi kao: > > 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 ramona...@gmail.com: >> >> *>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 <epi...@gmail.com> 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 beagleboard...@googlegroups.com. >>>> 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. 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