# \#kernel **URL:** https://forums.digi.com/tag/kernel/56.md [Latest](https://forums.digi.com/latest.md) · [Categories](https://forums.digi.com/categories.md) · [Tags](https://forums.digi.com/tags.md) --- ## [Kernel panic and Bluetooth degradation on ConnectCore MP25 (DEY Yocto)](https://forums.digi.com/t/kernel-panic-and-bluetooth-degradation-on-connectcore-mp25-dey-yocto/38294)
**Author:** [@ASN](https://forums.digi.com/u/ASN)\ **Replies:** 8\ **Last updated:** [June 4, 2026, 12:54pm UTC](https://forums.digi.com/t/kernel-panic-and-bluetooth-degradation-on-connectcore-mp25-dey-yocto/38294 "2026-06-04T12:54:22Z")
Hello, I am working with the Digi Embedded Yocto distribution on a ConnectCore MP25 platform, following the official tutorial: Install Digi Embedded Yocto | ConnectCore MP25 The system is based on the dey-image-webkit … --- ## [Write a kernel module to blink one LED at kernel space](https://forums.digi.com/t/write-a-kernel-module-to-blink-one-led-at-kernel-space/29217)
**Author:** [@Dipin](https://forums.digi.com/u/Dipin)\ **Replies:** 0\ **Last updated:** [January 8, 2024, 10:42am UTC](https://forums.digi.com/t/write-a-kernel-module-to-blink-one-led-at-kernel-space/29217 "2024-01-08T10:42:42Z")
Hello Team, I am using a ConnectCore 6UL digi board with DEY 2.4, Yocto version – rocko and Linux version - Linux 4.9.81 armv7l. Now I would like to add a kernel module to blink one LED in the kernel space. Can you pl… --- ## [Where to append kernel config fragment](https://forums.digi.com/t/where-to-append-kernel-config-fragment/23215)
**Author:** [@electron](https://forums.digi.com/u/electron)\ **Replies:** 0\ **Last updated:** [September 1, 2022, 12:26am UTC](https://forums.digi.com/t/where-to-append-kernel-config-fragment/23215 "2022-09-01T00:26:08Z")
Hi, I’m working with a ccimx6ulstarter and would like to edit my kernel configuration, with $ bitbake linux-dey -c diffconfig I have created a fragment.cfg but I’m not entirely sure to which file it should be appended … --- ## [syntax error when compiling dts](https://forums.digi.com/t/syntax-error-when-compiling-dts/23141)
**Author:** [@electron](https://forums.digi.com/u/electron)\ **Replies:** 3\ **Last updated:** [July 21, 2022, 9:05am UTC](https://forums.digi.com/t/syntax-error-when-compiling-dts/23141 "2022-07-21T09:05:58Z")
I’m trying to generate a device tree blob (dtb) from a source file but get the following error: $ dtc -O dtb -o CIU-CR-PIN\_CONFIG.dts -o CIU-CR-PIN\_CONFIG.dtb Error: CIU-CR-PIN\_CONFIG.dts:15.1-9 syntax error FATAL ERR… --- ## [Error when rebuild virtual/kernel](https://forums.digi.com/t/error-when-rebuild-virtual-kernel/22880)
**Author:** [@luckystar95](https://forums.digi.com/u/luckystar95)\ **Replies:** 1\ **Last updated:** [January 2, 2022, 9:48pm UTC](https://forums.digi.com/t/error-when-rebuild-virtual-kernel/22880 "2022-01-02T21:48:02Z")
Hi, I want to change the source code of connectcore6ulsbc project. I edited the files in source-kernel folder in the project and then used the following commands to rebuild: bitbak virtual/kernel bitbake dey-image-qt … --- ## [Do we need to regenerate a yocto toolchain when we change our kernel DTS ?](https://forums.digi.com/t/do-we-need-to-regenerate-a-yocto-toolchain-when-we-change-our-kernel-dts/22108)
**Author:** [@vitirover](https://forums.digi.com/u/vitirover)\ **Replies:** 2\ **Last updated:** [January 11, 2021, 10:54am UTC](https://forums.digi.com/t/do-we-need-to-regenerate-a-yocto-toolchain-when-we-change-our-kernel-dts/22108 "2021-01-11T10:54:24Z")
Hi, We are currently developing a new board around the IMX6UL. We are generating the kernel with the DTS files given by IOmux. We use the core-image-base, because we don’t want Qt or x11 or any overhead. On the softwar… --- ## [Enabling MULTICAST causing problem for wifi interface in imx6ul sbc pro](https://forums.digi.com/t/enabling-multicast-causing-problem-for-wifi-interface-in-imx6ul-sbc-pro/21407)
**Author:** [@ckanth](https://forums.digi.com/u/ckanth)\ **Replies:** 5\ **Last updated:** [June 9, 2020, 9:33am UTC](https://forums.digi.com/t/enabling-multicast-causing-problem-for-wifi-interface-in-imx6ul-sbc-pro/21407 "2020-06-09T09:33:10Z")
Hai, We have an custom board for imx6ulsbc pro SOM module and I am running digi yocto in that.Now I want to do a MULTICAST operation over wifi so I have enabled in the kernel and builded the image.After flashing the bui… --- ## [How do you add cdc-acm driver to yocto build with connect core 6 SBC?](https://forums.digi.com/t/how-do-you-add-cdc-acm-driver-to-yocto-build-with-connect-core-6-sbc/21330)
**Author:** [@Tec\_Dev](https://forums.digi.com/u/Tec_Dev)\ **Replies:** 1\ **Last updated:** [May 13, 2020, 8:35am UTC](https://forums.digi.com/t/how-do-you-add-cdc-acm-driver-to-yocto-build-with-connect-core-6-sbc/21330 "2020-05-13T08:35:48Z")
I am looking to send AT commands to the Digi cellular modem while using a PPP connection. The modem manager is unable to create the AT command port because there is no CDC-ACM driver to create the serial interface. How … --- ## [Conneccore6ul RT kernel](https://forums.digi.com/t/conneccore6ul-rt-kernel/20868)
**Author:** [@bala.devarajan](https://forums.digi.com/u/bala.devarajan)\ **Replies:** 1\ **Last updated:** [November 1, 2019, 9:06pm UTC](https://forums.digi.com/t/conneccore6ul-rt-kernel/20868 "2019-11-01T21:06:25Z")
Hi, I have custom board based on connectcore6ul SOM module. I need to build linux-dey-4.14 Realtime(RT) kernel for SOM module. Do you have RT kernel patch for SOM? Or else provide how to port RT kernel? --- ## [Change boot and kernel logo](https://forums.digi.com/t/change-boot-and-kernel-logo/20731)
**Author:** [@emmanuel\_perea](https://forums.digi.com/u/emmanuel_perea)\ **Replies:** 2\ **Last updated:** [August 29, 2019, 2:13pm UTC](https://forums.digi.com/t/change-boot-and-kernel-logo/20731 "2019-08-29T14:13:42Z")
Hello, I am working with imx6 dual lite system board. I could configure and compile a kernel image succesfully. Now I need to change the kernel logo that it shows when kernel is starting, It is a DIGI logo. I have rea… --- ## [how to cross compile perf tool in Digi EL 5.7 environment ?](https://forums.digi.com/t/how-to-cross-compile-perf-tool-in-digi-el-5-7-environment/20579)
**Author:** [@vijay.bhatt](https://forums.digi.com/u/vijay.bhatt)\ **Replies:** 2\ **Last updated:** [July 2, 2019, 9:32am UTC](https://forums.digi.com/t/how-to-cross-compile-perf-tool-in-digi-el-5-7-environment/20579 "2019-07-02T09:32:30Z")
Anyone tried to compile the perf tool on DigiEL 5.7 environment? I tried following from directory /usr/local/DigiEL-5.7/kernel/linux-2.6.35/tools/perf$ , but getting errors: export PATH=/usr/local/DigiEL-5.7/x-tools/ar… --- ## [SPI MRAM MR25H128 initialization error (mtdcrypt: Key decryption error.)](https://forums.digi.com/t/spi-mram-mr25h128-initialization-error-mtdcrypt-key-decryption-error/20504)
**Author:** [@mruetti](https://forums.digi.com/u/mruetti)\ **Replies:** 2\ **Last updated:** [May 23, 2019, 2:50pm UTC](https://forums.digi.com/t/spi-mram-mr25h128-initialization-error-mtdcrypt-key-decryption-error/20504 "2019-05-23T14:50:47Z")
Hi I try to integrate an tiny little SPI MRAM (MR25H128) with an imx6ulsbc. A kernel patch to support the mr25h128 is available (https://lore.kernel.org/patchwork/patch/842656/). The device tree looks like this: flash… --- ## [Connectore6UL Linux](https://forums.digi.com/t/connectore6ul-linux/20468)
**Author:** [@Softwork\_PP](https://forums.digi.com/u/Softwork_PP)\ **Replies:** 1\ **Last updated:** [May 7, 2019, 6:53am UTC](https://forums.digi.com/t/connectore6ul-linux/20468 "2019-05-07T06:53:33Z")
I am using the ConnectoreCore6UL with custom buildroot image and I am looking for any advice for the below questions: The evaluation board uses the GPIO3\_IO02 as ENET1\_PWR. Where is the code that control this output? … --- ## [Linux 4.14 crashes when the system is loaded](https://forums.digi.com/t/linux-4-14-crashes-when-the-system-is-loaded/20460)
**Author:** [@virajgm93](https://forums.digi.com/u/virajgm93)\ **Replies:** 1\ **Last updated:** [May 7, 2019, 6:46am UTC](https://forums.digi.com/t/linux-4-14-crashes-when-the-system-is-loaded/20460 "2019-05-07T06:46:49Z")
i am using linux 4.14 on imx8dx boards. i am trying to load the system. i am getting the log below. is it the expected behavior? root@imx8dx\_ccu:~# dmesg \[54565.689878\] active\_anon:98438 inactive\_anon:18458 isolated\_ano… --- ## [Digi EL 5.7: request\_irq call hangs up for irq number 28 for gpio 1 to be used for external interrupt 0](https://forums.digi.com/t/digi-el-5-7-request-irq-call-hangs-up-for-irq-number-28-for-gpio-1-to-be-used-for-external-interrupt-0/20417)
**Author:** [@vijay.bhatt](https://forums.digi.com/u/vijay.bhatt)\ **Replies:** 2\ **Last updated:** [April 22, 2019, 8:15am UTC](https://forums.digi.com/t/digi-el-5-7-request-irq-call-hangs-up-for-irq-number-28-for-gpio-1-to-be-used-for-external-interrupt-0/20417 "2019-04-22T08:15:59Z")
I am trying to get the external interrupt 0 on gpio 1 usiing irq 28. when i call request\_irq from the gpio driver (using as module) to register the interrupt handler i see the call hangs up somewhere and does not retur… --- ## [hwckicj: can't open '/dev/misc/rtc'](https://forums.digi.com/t/hwckicj-cant-open-dev-misc-rtc/20223)
**Author:** [@adi1525](https://forums.digi.com/u/adi1525)\ **Replies:** 0\ **Last updated:** [February 1, 2019, 1:19pm UTC](https://forums.digi.com/t/hwckicj-cant-open-dev-misc-rtc/20223 "2019-02-01T13:19:32Z")
Hi, I want use RTC in Imx6ul (I have cc6ul sbc express) and I use yocto tool, I disbled rtc in MCA and enabled in main processor: snvs\_rtc { status = “enabled”; }; snvs: snvs@020cc000 { compatible = “fsl,sec-v4.0-m… --- ## [Realport Complile error Ubuntu 18.04 (kernel 4.15.0-20)](https://forums.digi.com/t/realport-complile-error-ubuntu-18-04-kernel-4-15-0-20/19604)
**Author:** [@pmoncho](https://forums.digi.com/u/pmoncho)\ **Replies:** 6\ **Last updated:** [January 28, 2019, 7:48am UTC](https://forums.digi.com/t/realport-complile-error-ubuntu-18-04-kernel-4-15-0-20/19604 "2019-01-28T07:48:50Z")
Bombs out when trying to build dgrp\_net\_ops.c make\[1\]: Entering directory ‘/home/user/dgrp-1.9/driver/2.6.27’ make -C /lib/modules/4.15.0-20-generic/build SUBDIRS=$PWD modules MYPWD=/home/user/dgrp-1.9/driver/2.6.27 MY… --- ## [device tree in cc-imx6ul SBC express](https://forums.digi.com/t/device-tree-in-cc-imx6ul-sbc-express/20049)
**Author:** [@adi1525](https://forums.digi.com/u/adi1525)\ **Replies:** 0\ **Last updated:** [November 26, 2018, 10:40am UTC](https://forums.digi.com/t/device-tree-in-cc-imx6ul-sbc-express/20049 "2018-11-26T10:40:22Z")
Hello, I work with my own device tree for imx6ul and I would like to know where is configuration for pin GPIO3\_IO11? It should be in file imx6ul-ccimx6ulstarter .dtsi/.dts but he is not there or maybe I wrong and it is… --- ## [How to: ASOC Machine Driver for TLV320AIC31XX on CCIMX6UL ?](https://forums.digi.com/t/how-to-asoc-machine-driver-for-tlv320aic31xx-on-ccimx6ul/19660)
**Author:** [@TomCC](https://forums.digi.com/u/TomCC)\ **Replies:** 0\ **Last updated:** [June 26, 2018, 9:57am UTC](https://forums.digi.com/t/how-to-asoc-machine-driver-for-tlv320aic31xx-on-ccimx6ul/19660 "2018-06-26T09:57:48Z")
Hello everyone, I am currently working to implement two Digital Microphones on a CCIMX6UL Custom Board. For testing and developing I am using the CCIMX6ULStarter Board. My plan was to implement the microphones via a TLV… --- ## [How to add touch screen support to the imx6 dual light board](https://forums.digi.com/t/how-to-add-touch-screen-support-to-the-imx6-dual-light-board/19518)
**Author:** [@emmanuel\_perea](https://forums.digi.com/u/emmanuel_perea)\ **Replies:** 0\ **Last updated:** [May 17, 2018, 10:17am UTC](https://forums.digi.com/t/how-to-add-touch-screen-support-to-the-imx6-dual-light-board/19518 "2018-05-17T10:17:16Z")
Hello, I am working with a imx6 dual light digi board. I want to add Ad7879 touch support. I 've been followed the next steps: -First I changed the kernel config file adding support fo touchscreen and ad7879. In kernel… --- ## [RealPort Compile Error with Fedora 27 (Kernel 4.14.14)](https://forums.digi.com/t/realport-compile-error-with-fedora-27-kernel-4-14-14/19273)
**Author:** [@dbeabout](https://forums.digi.com/u/dbeabout)\ **Replies:** 1\ **Last updated:** [March 6, 2018, 5:10pm UTC](https://forums.digi.com/t/realport-compile-error-with-fedora-27-kernel-4-14-14/19273 "2018-03-06T17:10:10Z")
I am compiling dgrp-1.9-38 and get the following errors: \[heliophysics@SolarPhysicsGSEii dgrp-1.9\]$ make all (cd driver/build; make all) make\[1\]: Entering directory ‘/home/heliophysics/PortServer/dgrp-1.9/driver/2.6.2… --- ## [FocalTech FT5406EE8 and ConnectCore6](https://forums.digi.com/t/focaltech-ft5406ee8-and-connectcore6/19187)
**Author:** [@erhanbaris](https://forums.digi.com/u/erhanbaris)\ **Replies:** 1\ **Last updated:** [February 20, 2018, 9:10am UTC](https://forums.digi.com/t/focaltech-ft5406ee8-and-connectcore6/19187 "2018-02-20T09:10:43Z")
There are more than 100 “Digi ConnectCore 6 version 1” model devices. We want to operate with FocalTech FT5406EE8 touch screen. But it is not working right now. I activated driver via menuconfig, i2c is activated but not… --- ## [Kernel panic with dgrp daemon](https://forums.digi.com/t/kernel-panic-with-dgrp-daemon/18777)
**Author:** [@jgodyn](https://forums.digi.com/u/jgodyn)\ **Replies:** 0\ **Last updated:** [October 9, 2017, 8:56am UTC](https://forums.digi.com/t/kernel-panic-with-dgrp-daemon/18777 "2017-10-09T08:56:16Z")
Hello, The daemon dgrp give us a kernel panic when we read data from dgrp\_net\_read (we have 3 kernel panic in two months) The changelog of Redhat Kernel 2.6.18-x or dgrp driver does not seem to fix this problem. can y… --- ## [package manager](https://forums.digi.com/t/package-manager/18766)
**Author:** [@roboman](https://forums.digi.com/u/roboman)\ **Replies:** 1\ **Last updated:** [October 2, 2017, 11:33am UTC](https://forums.digi.com/t/package-manager/18766 "2017-10-02T11:33:56Z")
I have the i.mx6UL Starter and need to customize the kernel. I’m following the Yocoto build procedure but I don’t see where I can configure the kernel to add modules I need. Normally I would use “make ARCH=arm menuconf… --- ## [class\_attr\_driver\_version error compiling in kernel 4.13](https://forums.digi.com/t/class-attr-driver-version-error-compiling-in-kernel-4-13/18765)
**Author:** [@severach](https://forums.digi.com/u/severach)\ **Replies:** 0\ **Last updated:** [October 2, 2017, 8:33am UTC](https://forums.digi.com/t/class-attr-driver-version-error-compiling-in-kernel-4-13/18765 "2017-10-02T08:33:23Z")
src/dgrp-1.9/driver/build/dgrp\_sysfs.c:71:35: error: expected ‘)’ before numeric constant static CLASS\_ATTR(driver\_version, 0400, dgrp\_class\_version\_show, NULL); ^~~~ src/dgrp-1.9/driver/build/dgrp\_sysfs.c: In functio… --- ## [Issue with Connectcore 6UL Pro and Focaltech FT5606](https://forums.digi.com/t/issue-with-connectcore-6ul-pro-and-focaltech-ft5606/18490)
**Author:** [@joseasensioCTI](https://forums.digi.com/u/joseasensioCTI)\ **Replies:** 4\ **Last updated:** [June 30, 2017, 5:17pm UTC](https://forums.digi.com/t/issue-with-connectcore-6ul-pro-and-focaltech-ft5606/18490 "2017-06-30T17:17:46Z")
Hello, We are using a connectcore 6ul pro attached to a ETML101000DH6 display in the LVDS line. We managed to turn on the display with the device tree, but we didn’t have that much luck with the touchscreen (FT5606). W… --- ## [Are there plans for a Linux kernel 4.x RealPort driver?](https://forums.digi.com/t/are-there-plans-for-a-linux-kernel-4-x-realport-driver/16153)
**Author:** [@jmarley](https://forums.digi.com/u/jmarley)\ **Replies:** 4\ **Last updated:** [April 19, 2016, 9:20pm UTC](https://forums.digi.com/t/are-there-plans-for-a-linux-kernel-4-x-realport-driver/16153 "2016-04-19T21:20:41Z")
I’m running the following version of Ubuntu (“lsb\_release -a” output): Distributor ID: Ubuntu Description: Ubuntu 15.10 Release: 15.10 Codename: wily Which is running the following kernel version (“uname -r” output)… --- ## [Boot from NFS problem](https://forums.digi.com/t/boot-from-nfs-problem/16577)
**Author:** [@emmanuel\_perea](https://forums.digi.com/u/emmanuel_perea)\ **Replies:** 6\ **Last updated:** [April 19, 2016, 9:38am UTC](https://forums.digi.com/t/boot-from-nfs-problem/16577 "2016-04-19T09:38:36Z")
Hello, I’m working with the Wi-imx53 board. I’m using a Virtual Machine where there is installed the Digi Embedded Linux live DVD. I configured my full project, with the kernel and root file system, I transfered the syst… --- ## [Problem building Digi driver dgrp-1.9-35.x86\_64 on Centos 7 after updating kernel to 3.10.0-327.4.4.el7.x86\_64](https://forums.digi.com/t/problem-building-digi-driver-dgrp-1-9-35-x86-64-on-centos-7-after-updating-kernel-to-3-10-0-327-4-4-el7-x86-64/16066)
**Author:** [@rhung](https://forums.digi.com/u/rhung)\ **Replies:** 2\ **Last updated:** [January 14, 2016, 11:15pm UTC](https://forums.digi.com/t/problem-building-digi-driver-dgrp-1-9-35-x86-64-on-centos-7-after-updating-kernel-to-3-10-0-327-4-4-el7-x86-64/16066 "2016-01-14T23:15:13Z")
Hello All, Built and installed RealPort driver 40002086\_W.src.rpm (dgrp-1.9-35.x86\_64) on Centos 7 x86\_64 without any problems with kernel 3.10.0-229.20.1.el7.x86\_64. After updated the kernel to 3.10.0-327.4.4.el7.x86\_… --- ## [iMX28 : Configure USB0 without OTG feature](https://forums.digi.com/t/imx28-configure-usb0-without-otg-feature/15685)
**Author:** [@sbrizard\_scheiber](https://forums.digi.com/u/sbrizard_scheiber)\ **Replies:** 3\ **Last updated:** [November 3, 2015, 10:20am UTC](https://forums.digi.com/t/imx28-configure-usb0-without-otg-feature/15685 "2015-11-03T10:20:19Z")
Hello, I am trying to configure the kernel of the ConnectCard Wi-i.MX287 in order to use the USB0 port without the USB OTG feature. I want to do that in order to use the pin 21 of the ConnectCard for GPIO usage. So, I… [Next page](https://forums.digi.com/tag/kernel/56.md?match_all_tags=true&page=1&tags%5B%5D=kernel)