uname -a yields Linux transcoder 4.19.66-v7+ #1253 SMP Thu Aug 15 11:49:46 BST 2019 armv7l GNU/Linux This was a working system (node 48455) previous to a update upgrade. After which it no longer worked. sudo asterisk -c yields: AllStarLink Asterisk Version 1.01 2/13/2018 GIT Version adaec47 Copyright (C) 1999 - 2018 Digium, Inc. Jim Dixon, AllStarLink Inc. and others. Created by Mark Spencer <markster@digium.com> Asterisk comes with ABSOLUTELY NO WARRANTY; type 'core show warranty' for details. This is free software, with components licensed under the GNU General Public License version 2 and other licenses; you are welcome to redistribute it under certain conditions. Type 'core show license' for details. ========================================================================= [ Booting... [ Reading Master Configuration ] [ Initializing Custom Configuration Options ] [Sep 3 06:07:10] NOTICE[3545]: dnsmgr.c:394 do_reload: Managed DNS entries will be refreshed every 300 seconds. [Sep 3 06:07:10] NOTICE[3545]: cdr.c:1416 do_reload: CDR simple logging enabled. [Sep 3 06:07:10] NOTICE[3545]: loader.c:874 load_modules: 55 modules will be loaded. ..............[Sep 3 06:07:10] WARNING[3545]: chan_iax2.c:12750 load_module: Unable to open IAX timing interface: No such file or directory ......................................... ] Asterisk Ready. *CLI> [Sep 3 06:07:11] NOTICE[3551]: app_rpt.c:22184 rpt_master: Normal Repeater Init 48455 [Sep 3 06:07:11] WARNING[3566]: chan_dahdi.c:928 dahdi_open: Unable to open '/dev/dahdi/pseudo': No such file or directory [Sep 3 06:07:11] ERROR[3566]: chan_dahdi.c:7906 chandup: Unable to dup channel: No such file or directory rpt:Sorry unable to obtain Rx channel [Sep 3 06:07:12] WARNING[3551]: app_rpt.c:22240 rpt_master: rpt_thread restarted on node 48455 [Sep 3 06:07:12] WARNING[3567]: chan_dahdi.c:928 dahdi_open: Unable to open '/dev/dahdi/pseudo': No such file or directory [Sep 3 06:07:12] ERROR[3567]: chan_dahdi.c:7906 chandup: Unable to dup channel: No such file or directory rpt:Sorry unable to obtain Rx channel [Sep 3 06:07:14] NOTICE[3551]: app_rpt.c:22228 rpt_master: RPT thread restarted on 48455 [Sep 3 06:07:14] WARNING[3551]: app_rpt.c:22240 rpt_master: rpt_thread restarted on node 48455 [Sep 3 06:07:14] WARNING[3570]: chan_dahdi.c:928 dahdi_open: Unable to open '/dev/dahdi/pseudo': No such file or directory [Sep 3 06:07:14] ERROR[3570]: chan_dahdi.c:7906 chandup: Unable to dup channel: No such file or directory rpt:Sorry unable to obtain Rx channel [Sep 3 06:07:16] NOTICE[3551]: app_rpt.c:22228 rpt_master: RPT thread restarted on 48455 [Sep 3 06:07:16] WARNING[3551]: app_rpt.c:22240 rpt_master: rpt_thread restarted on node 48455 [Sep 3 06:07:16] WARNING[3571]: chan_dahdi.c:928 dahdi_open: Unable to open '/dev/dahdi/pseudo': No such file or directory [Sep 3 06:07:16] ERROR[3571]: chan_dahdi.c:7906 chandup: Unable to dup channel: No such file or directory rpt:Sorry unable to obtain Rx channel [Sep 3 06:07:18] NOTICE[3551]: app_rpt.c:22228 rpt_master: RPT thread restarted on 48455 [Sep 3 06:07:18] WARNING[3551]: app_rpt.c:22240 rpt_master: rpt_thread restarted on node 48455 [Sep 3 06:07:18] WARNING[3573]: chan_dahdi.c:928 dahdi_open: Unable to open '/dev/dahdi/pseudo': No such file or directory [Sep 3 06:07:18] ERROR[3573]: chan_dahdi.c:7906 chandup: Unable to dup channel: No such file or directory rpt:Sorry unable to obtain Rx channel [Sep 3 06:07:20] NOTICE[3551]: app_rpt.c:22228 rpt_master: RPT thread restarted on 48455 [Sep 3 06:07:20] WARNING[3551]: app_rpt.c:22240 rpt_master: rpt_thread restarted on node 48455 [Sep 3 06:07:20] WARNING[3575]: chan_dahdi.c:928 dahdi_open: Unable to open '/dev/dahdi/pseudo': No such file or directory [Sep 3 06:07:20] ERROR[3575]: chan_dahdi.c:7906 chandup: Unable to dup channel: No such file or directory rpt:Sorry unable to obtain Rx channel [Sep 3 06:07:22] NOTICE[3551]: app_rpt.c:22228 rpt_master: RPT thread restarted on 48455 [Sep 3 06:07:22] WARNING[3551]: app_rpt.c:22240 rpt_master: rpt_thread restarted on node 48455 [Sep 3 06:07:22] WARNING[3577]: chan_dahdi.c:928 dahdi_open: Unable to open '/dev/dahdi/pseudo': No such file or directory [Sep 3 06:07:22] ERROR[3577]: chan_dahdi.c:7906 chandup: Unable to dup channel: No such file or directory rpt:Sorry unable to obtain Rx channel [Sep 3 06:07:24] ERROR[3551]: app_rpt.c:22223 rpt_master: Continual RPT thread restarts, killing Asterisk The HOW TO DAHDI MAKE says to run ls -l under /usr/src/ and go into the dahdi-linux-complete-xxxxxx but doing so gives me only these: ~# ls -l /usr/src/ total 16 drw-r-xr-x 3 root root 4096 Jul 10 2018 asl-dahdi-linux-2.11.1 drwxr-xr-x 24 root root 4096 Sep 3 05:26 linux-headers-4.19.66+ drwxr-xr-x 24 root root 4096 Sep 3 05:26 linux-headers-4.19.66-v7+ drwxr-xr-x 3 root root 4096 Apr 18 2018 sense-hat I try to make under the asl-dahdi-linux but gives me errors: 1# make make -C linux all make[1]: Entering directory '/usr/src/asl-dahdi-linux-2.11.1/linux' make -C drivers/dahdi/firmware firmware-loaders make[2]: Entering directory '/usr/src/asl-dahdi-linux-2.11.1/linux/drivers/dahdi/firmware' make[2]: Leaving directory '/usr/src/asl-dahdi-linux-2.11.1/linux/drivers/dahdi/firmware' make -C /lib/modules/4.19.66-v7+/build SUBDIRS=/usr/src/asl-dahdi-linux-2.11.1/linux/drivers/dahdi DAHDI_INCLUDE=/usr/src/asl-dahdi-linux-2.11.1/linux/include DAHDI_MODULES_EXTRA=" " HOTPLUG_FIRMWARE=yes modules DAHDI_BUILD_ALL=m make[2]: Entering directory '/usr/src/linux-headers-4.19.66-v7+' /usr/src/asl-dahdi-linux-2.11.1/linux/drivers/dahdi/Kbuild:126: CPU Architecture 'arm' does not support VPMADT032 or HPEC. Skipping. CC [M] /usr/src/asl-dahdi-linux-2.11.1/linux/drivers/dahdi/xpp/xbus-core.o /usr/src/asl-dahdi-linux-2.11.1/linux/drivers/dahdi/xpp/xbus-core.c: In function ‘xbus_new’: /usr/src/asl-dahdi-linux-2.11.1/linux/drivers/dahdi/xpp/xbus-core.c:1615:2: error: implicit declaration of function ‘init_timer’ [-Werror=implicit-function-declaration] init_timer(&xbus->command_timer); ^~~~~~~~~~ cc1: some warnings being treated as errors scripts/Makefile.build:303: recipe for target '/usr/src/asl-dahdi-linux-2.11.1/linux/drivers/dahdi/xpp/xbus-core.o' failed make[4]: *** [/usr/src/asl-dahdi-linux-2.11.1/linux/drivers/dahdi/xpp/xbus-core.o] Error 1 scripts/Makefile.build:544: recipe for target '/usr/src/asl-dahdi-linux-2.11.1/linux/drivers/dahdi/xpp' failed make[3]: *** [/usr/src/asl-dahdi-linux-2.11.1/linux/drivers/dahdi/xpp] Error 2 Makefile:1519: recipe for target '_module_/usr/src/asl-dahdi-linux-2.11.1/linux/drivers/dahdi' failed make[2]: *** [_module_/usr/src/asl-dahdi-linux-2.11.1/linux/drivers/dahdi] Error 2 make[2]: Leaving directory '/usr/src/linux-headers-4.19.66-v7+' Makefile:74: recipe for target 'modules' failed make[1]: *** [modules] Error 2 make[1]: Leaving directory '/usr/src/asl-dahdi-linux-2.11.1/linux' Makefile:9: recipe for target 'all' failed make: *** [all] Error 2 Is there any way to fix this issue? Thanks. TG9AOR