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[doc] backup-redmine/2019-11-07, master: doc: open-mesh/News-draft (12a681a)
by postmaster＠open-mesh.org 16 Nov '19

16 Nov '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-11-07,master >--------------------------------------------------------------- commit 12a681a1594dbbcabf224fcffbe747f8ea5299f1 Author: Sven Eckelmann <sven(a)narfation.org> Date: Fri Oct 25 09:49:26 2019 +0000 doc: open-mesh/News-draft >--------------------------------------------------------------- 12a681a1594dbbcabf224fcffbe747f8ea5299f1 open-mesh/News-draft.textile | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/open-mesh/News-draft.textile b/open-mesh/News-draft.textile index ba7e227..aae7638 100644 --- a/open-mesh/News-draft.textile +++ b/open-mesh/News-draft.textile @@ -1,6 +1,6 @@ h1. DRAFT: Batman-adv 2019.4 released -Oct 15th, 2019. Today the B.A.T.M.A.N. team publishes the October 2019 update to batman-adv, batctl and alfred! The B.A.T.M.A.N. V implementation can now aggregate OGM2 messages into single messages before sending them out. As usual, this release also contains various bugfixes and code cleanups. +Oct 25th, 2019. Today the B.A.T.M.A.N. team publishes the October 2019 update to batman-adv, batctl and alfred! The B.A.T.M.A.N. V implementation can now aggregate OGM2 messages into single messages before sending them out. As usual, this release also contains various bugfixes and code cleanups. As the kernel module always depends on the Linux kernel it is compiled against, it does not make sense to provide binaries on our website. As usual, you will find the signed tarballs in our download section: @@ -54,7 +54,7 @@ bugfixes -2019.4 (2019-10-15) +2019.4 (2019-10-25) =================== * support latest kernels (3.16 - 5.4) @@ -91,7 +91,7 @@ bugfix batctl: Fix deprecation warning for option '-m' -2019.4 (2019-10-15) +2019.4 (2019-10-25) =================== * fix deprecation warning for option '-m' @@ -112,7 +112,7 @@ Sven Eckelmann <sven(a)narfation.org> (2): alfred: vis: Fix ifindex check when registering interface -2019.4 (2019-10-15) +2019.4 (2019-10-25) =================== * fix build with musl

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[doc] backup-redmine/2019-11-07, master: doc: open-mesh/Download (050acfa)
by postmaster＠open-mesh.org 16 Nov '19

16 Nov '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-11-07,master >--------------------------------------------------------------- commit 050acfa6b625ca7a324e9ea1d898608b00363102 Author: Simon Wunderlich <sw(a)simonwunderlich.de> Date: Fri Oct 25 11:51:46 2019 +0000 doc: open-mesh/Download >--------------------------------------------------------------- 050acfa6b625ca7a324e9ea1d898608b00363102 open-mesh/Download.textile | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/open-mesh/Download.textile b/open-mesh/Download.textile index f565c06..40005a7 100644 --- a/open-mesh/Download.textile +++ b/open-mesh/Download.textile @@ -7,9 +7,9 @@ Please use the maint branch for your public infrastructure unless you know exact h2. Download Released Source Code -* The latest version of [[batman-adv:Wiki|batman-adv]] is "batman-adv-2019.3.tar.gz":https://downloads.open-mesh.org/batman/stable/sources/batman-adv/batman-adv-2019.3.tar.gz "md5":https://downloads.open-mesh.org/batman/stable/sources/batman-adv/batman-adv-2019.3.tar.gz.md5 "sha1":https://downloads.open-mesh.org/batman/stable/sources/batman-adv/batman-adv-2019.3.tar.gz.sha1 "asc":https://downloads.open-mesh.org/batman/stable/sources/batman-adv/batman-adv-2019.3.tar.gz.asc -* The latest version of batctl (management and control tool for batman-adv) is "batctl-2019.3.tar.gz":https://downloads.open-mesh.org/batman/stable/sources/batctl/batctl-2019.3.tar.gz "md5":https://downloads.open-mesh.org/batman/stable/sources/batctl/batctl-2019.3.tar.gz.md5 "sha1":https://downloads.open-mesh.org/batman/stable/sources/batctl/batctl-2019.3.tar.gz.sha1 "asc":https://downloads.open-mesh.org/batman/stable/sources/batctl/batctl-2019.3.tar.gz.asc -* The latest version of alfred (Almighty Lightweight Fact Remote Exchange Daemon) is "alfred-2019.3.tar.gz":https://downloads.open-mesh.org/batman/stable/sources/alfred/alfred-2019.3.tar.gz "md5":https://downloads.open-mesh.org/batman/stable/sources/alfred/alfred-2019.3.tar.gz.md5 "sha1":https://downloads.open-mesh.org/batman/stable/sources/alfred/alfred-2019.3.tar.gz.sha1 "asc":https://downloads.open-mesh.org/batman/stable/sources/alfred/alfred-2019.3.tar.gz.asc +* The latest version of [[batman-adv:Wiki|batman-adv]] is "batman-adv-2019.4.tar.gz":https://downloads.open-mesh.org/batman/stable/sources/batman-adv/batman-adv-2019.4.tar.gz "md5":https://downloads.open-mesh.org/batman/stable/sources/batman-adv/batman-adv-2019.4.tar.gz.md5 "sha1":https://downloads.open-mesh.org/batman/stable/sources/batman-adv/batman-adv-2019.4.tar.gz.sha1 "asc":https://downloads.open-mesh.org/batman/stable/sources/batman-adv/batman-adv-2019.4.tar.gz.asc +* The latest version of batctl (management and control tool for batman-adv) is "batctl-2019.4.tar.gz":https://downloads.open-mesh.org/batman/stable/sources/batctl/batctl-2019.4.tar.gz "md5":https://downloads.open-mesh.org/batman/stable/sources/batctl/batctl-2019.4.tar.gz.md5 "sha1":https://downloads.open-mesh.org/batman/stable/sources/batctl/batctl-2019.4.tar.gz.sha1 "asc":https://downloads.open-mesh.org/batman/stable/sources/batctl/batctl-2019.4.tar.gz.asc +* The latest version of alfred (Almighty Lightweight Fact Remote Exchange Daemon) is "alfred-2019.4.tar.gz":https://downloads.open-mesh.org/batman/stable/sources/alfred/alfred-2019.4.tar.gz "md5":https://downloads.open-mesh.org/batman/stable/sources/alfred/alfred-2019.4.tar.gz.md5 "sha1":https://downloads.open-mesh.org/batman/stable/sources/alfred/alfred-2019.4.tar.gz.sha1 "asc":https://downloads.open-mesh.org/batman/stable/sources/alfred/alfred-2019.4.tar.gz.asc * The latest stable version of batmand ([[open-mesh:BranchesExplained#batmand|unmaintained]]) is "batman-0.3.2.tar.gz":https://downloads.open-mesh.org/batman/releases/batman-0.3.2/batman-0.3.2.tar.gz "md5":https://downloads.open-mesh.org/batman/releases/batman-0.3.2/batman-0.3.2.tar.gz.md5 "sha1":https://downloads.open-mesh.org/batman/releases/batman-0.3.2/batman-0.3.2.tar.gz.sha1 "asc":https://downloads.open-mesh.org/batman/releases/batman-0.3.2/batman-0.3.2.tar.gz.asc * The latest version of the vis server for the batmand (package not needed for batman-adv) is "vis-0.3.2.tar.gz":https://downloads.open-mesh.org/batman/releases/batman-0.3.2/vis-0.3.2.tar.gz "md5":https://downloads.open-mesh.org/batman/releases/batman-0.3.2/vis-0.3.2.tar.gz.md5 "sha1":https://downloads.open-mesh.org/batman/releases/batman-0.3.2/vis-0.3.2.tar.gz.sha1 "asc":https://downloads.open-mesh.org/batman/releases/batman-0.3.2/vis-0.3.2.tar.gz.asc @@ -80,6 +80,8 @@ It follows an overview of linux versions and the batman-adv version they contain * linux 5.1 => batman-adv 2019.1 (get batctl 2019.1 from "here":https://downloads.open-mesh.org/batman/stable/sources/batctl/) * linux 5.2 => batman-adv 2019.2 (get batctl 2019.2 from "here":https://downloads.open-mesh.org/batman/stable/sources/batctl/) * linux 5.3 => batman-adv 2019.3 (get batctl 2019.3 from "here":https://downloads.open-mesh.org/batman/stable/sources/batctl/) +* linux 5.4 => batman-adv 2019.4 (get batctl 2019.4 from "here":https://downloads.open-mesh.org/batman/stable/sources/batctl/) + h2. Arch Linux

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[doc] backup-redmine/2019-11-07, master: doc: open-mesh/Kernel_debugging_with_kgdb (7130966)
by postmaster＠open-mesh.org 16 Nov '19

16 Nov '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-11-07,master >--------------------------------------------------------------- commit 71309661d1a7d27f13dad7929ebf8dc8185856d7 Author: Sven Eckelmann <sven(a)narfation.org> Date: Mon Oct 14 13:46:49 2019 +0000 doc: open-mesh/Kernel_debugging_with_kgdb >--------------------------------------------------------------- 71309661d1a7d27f13dad7929ebf8dc8185856d7 open-mesh/Kernel_debugging_with_kgdb.textile | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/open-mesh/Kernel_debugging_with_kgdb.textile b/open-mesh/Kernel_debugging_with_kgdb.textile index 9f742ba..b1353f9 100644 --- a/open-mesh/Kernel_debugging_with_kgdb.textile +++ b/open-mesh/Kernel_debugging_with_kgdb.textile @@ -10,10 +10,10 @@ h3. Disabling watchdog Most CPUs have some kind of watchdog integrated. They can often be disabled and are often inactive when the watchdog driver is not loaded. For example, ath79/ar71xx can be build without the internal watchdog support by changing in <code>target/linux/{ar71xx,ath79}/config-*</code>: -<pre> +<pre><code class="diff"> -CONFIG_ATH79_WDT=y +# CONFIG_ATH79_WDT is not set -</pre> +</code></pre> Unfortunately, there are also external watchdog chips which cannot be disabled. They have to be manually triggered regularly during the debugging process to prevent a sudden reboot. The details depend on the actual hardware but it often ends up in writing to a specific (GPIO control/set/clear) register. @@ -34,7 +34,7 @@ CONFIG_GDB_SCRIPTS=y For x86-64, the change (mostly created using <code>make kernel_menuconfig</code>) would be: -<pre> +<pre><code class="diff"> diff --git a/target/linux/x86/config-4.14 b/target/linux/x86/config-4.14 index 014e7b275b..c6c6f871a9 100644 --- a/target/linux/x86/config-4.14 @@ -105,11 +105,11 @@ index 84a3d88a7f..c8a017f970 100644 +GRUB_CONSOLE_CMDLINE = nokaslr USE_ATKBD = generic 64 -</pre> +</code></pre> For ar71xx (GL.inet AR750 in my case), it would look like: -<pre> +<pre><code class="diff"> diff --git a/target/linux/ar71xx/config-4.14 b/target/linux/ar71xx/config-4.14 index 4bc84792b6..8bd7c8b299 100644 --- a/target/linux/ar71xx/config-4.14 @@ -207,13 +207,13 @@ index 804532b55c..c485389f56 100644 CMDLINE = $$(if $$(BOARDNAME),board=$$(BOARDNAME)) $$(if $$(MTDPARTS),mtdparts=$$(MTDPARTS)) $$(if $$(CONSOLE),console=$$(CONSOLE)) KERNEL := kernel-bin | patch-cmdline | lzma | uImage lzma COMPILE := -</pre> +</code></pre> h3. Enabling python support for gdb OpenWrt will build a gdb when <code>CONFIG_GDB=y</code> is set in .config. But this version is missing python support. But it can be enabled with following patch: -<pre> +<pre><code class="diff"> diff --git a/toolchain/gdb/Makefile b/toolchain/gdb/Makefile index 3b884f9e79..9b0149faca 100644 --- a/toolchain/gdb/Makefile @@ -239,7 +239,7 @@ index 3b884f9e79..9b0149faca 100644 rm -rf \ $(HOST_BUILD_DIR) \ $(TOOLCHAIN_DIR)/bin/$(TARGET_CROSS)gdb \ -</pre> +</code></pre> h2. Start debugging session @@ -299,7 +299,7 @@ The rest of the usage now works similar to debugging using gdbserver. Just set s Some other ideas are documented in [[Emulation_Debug#Using-GDB]]. This document also contains important hints about [[Emulation_Debug#Building-the-batman-adv-module|increasing the chance of getting debugable modules]] which didn't had all information optimized away. The relevant flags could be set directly in the routing feed like this: -<pre> +<pre><code class="diff"> diff --git a/batman-adv/Makefile b/batman-adv/Makefile index a7c6a79..c18f978 100644 --- a/batman-adv/Makefile @@ -313,7 +313,7 @@ index a7c6a79..c18f978 100644 NOSTDINC_FLAGS="$(NOSTDINC_FLAGS)" \ modules endef -</pre> +</code></pre> h2. Working with external Watchdog over GPIO

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[doc] backup-redmine/2019-11-07, master: doc: open-mesh/Kernel_debugging_with_kgdb (21702d5)
by postmaster＠open-mesh.org 16 Nov '19

16 Nov '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-11-07,master >--------------------------------------------------------------- commit 21702d5ab4fcf6ccde574eeea778bc2c44705e37 Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun Oct 13 13:55:36 2019 +0000 doc: open-mesh/Kernel_debugging_with_kgdb >--------------------------------------------------------------- 21702d5ab4fcf6ccde574eeea778bc2c44705e37 open-mesh/Kernel_debugging_with_kgdb.textile | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/open-mesh/Kernel_debugging_with_kgdb.textile b/open-mesh/Kernel_debugging_with_kgdb.textile index 104bdec..c689d9a 100644 --- a/open-mesh/Kernel_debugging_with_kgdb.textile +++ b/open-mesh/Kernel_debugging_with_kgdb.textile @@ -2,7 +2,7 @@ h1. OpenWrt KGDB The [[Emulation Debug]] documentation explains how to start multiple virtual Linux kernels+userspace, connect them and connect various helpers to test/debug a whole linux system. But some problems might only be reproducible on actual hardware. It is therefore sometimes necessary to debug a whole system. -In best case, the system can be "debugged using JTAG":https://openwrt.org/docs/techref/hardware/port.jtag. But this is often not possible and an in-kernel gdb remote stub like "KGDB":https://www.kernel.org/doc/html/latest/dev-tools/kgdb.html has to be used. The only requirement it has on the actual board is a simple serial console. +In best case, the system can be "debugged using JTAG":https://openwrt.org/docs/techref/hardware/port.jtag. But this is often not possible and an in-kernel gdb remote stub like "KGDB":https://www.kernel.org/doc/html/latest/dev-tools/kgdb.html has to be used. The only requirement it has on the actual board is a simple serial console with <code>poll_{get,put}_char()</code> support. h2. Preparing OpenWrt @@ -165,9 +165,9 @@ h3. Connecting gdb I would use following folder in my x86-64 build environment: -* LINUX_DIR=${OPENWRT_DIR}/build_dir/target-x86_64_musl/linux-x86_64/linux-4.14.148/ -* GDB=${OPENWRT_DIR}/staging_dir/toolchain-x86_64_gcc-7.4.0_musl/bin/x86_64-openwrt-linux-gdb -* BATADV_DIR=${OPENWRT_DIR}/build_dir/target-x86_64_musl/linux-x86_64/batman-adv-2019.2/ +* <code>LINUX_DIR=${OPENWRT_DIR}/build_dir/target-x86_64_musl/linux-x86_64/linux-4.14.148/</code> +* <code>GDB=${OPENWRT_DIR}/staging_dir/toolchain-x86_64_gcc-7.4.0_musl/bin/x86_64-openwrt-linux-gdb</code> +* <code>BATADV_DIR=${OPENWRT_DIR}/build_dir/target-x86_64_musl/linux-x86_64/batman-adv-2019.2/</code> When kgdb is activated using sysrq, we can configure gdb to connect via a serial adapter to the device. But we should first load the vmlinux with our target specific gdb. We must change to the LINUX_DIR first and can then start our GDB before we will connect to the remote device.

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[doc] backup-redmine/2019-11-07, master: doc: open-mesh/Kernel_hacking_Debian_image: document way to connect simulated mesh with freifunk-gluon over vxlan (b435ef8)
by postmaster＠open-mesh.org 16 Nov '19

16 Nov '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-11-07,master >--------------------------------------------------------------- commit b435ef83d3cb7a12fd996a6244514645fa6bd2f8 Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun Oct 13 21:27:52 2019 +0000 doc: open-mesh/Kernel_hacking_Debian_image: document way to connect simulated mesh with freifunk-gluon over vxlan >--------------------------------------------------------------- b435ef83d3cb7a12fd996a6244514645fa6bd2f8 open-mesh/Kernel_hacking_Debian_image.textile | 43 +++++++++++++++++++++++++++ open-mesh/hub-gluon.sh | 43 --------------------------- 2 files changed, 43 insertions(+), 43 deletions(-) diff --git a/open-mesh/Kernel_hacking_Debian_image.textile b/open-mesh/Kernel_hacking_Debian_image.textile index 4febac8..861d1e3 100644 --- a/open-mesh/Kernel_hacking_Debian_image.textile +++ b/open-mesh/Kernel_hacking_Debian_image.textile @@ -388,6 +388,49 @@ ssh root(a)192.168.251.51 'tcpdump -i enp3s0 -s 0 -U -n -w - "port not 22"' > remo wireshark -k -i remote-dump </pre> +h2. Connect to gluon VXLAN + +Gluon supports meshing over VXLAN. The gluon node just has to enable Mesh-on-WAN or Mesh-on-LAN and then it is possible to connect our virtual machine with the WAN/LAN port of the machine. Let us assume that the host running the Qemu instances is using interface <code>enp8s0</code> for this connection and that the qemu instances are all connected to bridge <code>br-qemu</code. + +The first information we have to get from from the gluon node is the VXLAN id. It can be queried on the gluon node via: <pre>lua -e 'print(tonumber(require("gluon.util").domain_seed_bytes("gluon-mesh-vxlan", 3), 16))'</pre> + +We must then create a vxlan interface on top of our normal ethernet interface, make sure that the ethernet interface is using a EUI64 based IPv6 link local address and insert the new interface in our bridge + +<pre> +#! /bin/sh + +BRIDGE=br-qemu +ETH=enp8s0 +VXLAN=vx_mesh_lan +# calculated on gluon node +VXLAN_ID=12094920 + +xor2() { + echo -n "${1:0:1}" + echo -n "${1:1:1}" | tr '0123456789abcdef' '23016745ab89efcd' +} + +interface_linklocal() { + local macaddr="$(cat /sys/class/net/"${ETH}"/address)" + local oldIFS="$IFS"; IFS=':'; set -- $macaddr; IFS="$oldIFS" + + echo "fe80::$(xor2 "$1")$2:$3ff:fe$4:$5$6" +} + +sudo ip addr add "$(interface_linklocal)"/64 dev "$ETH" +sudo ip link del "${VXLAN}" +sudo ip -6 link add "${VXLAN}" type vxlan \ + id "${VXLAN_ID}" \ + dstport 4789 \ + local "$(interface_linklocal)" \ + group ff02::15c \ + dev "${ETH}" \ + udp6zerocsumtx udp6zerocsumrx \ + ttl 1 + +sudo ip link set "${VXLAN}" up master "${BRIDGE}" +</pre> + h2. Using GDB The instances are listening on 127.0.0.1 TCP port <code>23000 + instance_no</code>. We will use in the following example instance 1. The gdb debugger can be started from the linux source directory and all <code>lx-*</code> helpers will automatically be loaded. diff --git a/open-mesh/hub-gluon.sh b/open-mesh/hub-gluon.sh deleted file mode 100644 index 4bc00ee..0000000 --- a/open-mesh/hub-gluon.sh +++ /dev/null @@ -1,43 +0,0 @@ -#! /bin/sh -USER="$(whoami)" -BRIDGE=br0 -ETH=enp8s0 -VXLAN=vx_mesh_lan -# calculated on gluon node via: lua -lgluon.util -e 'print(tonumber(gluon.util.domain_seed_bytes("gluon-mesh-vxlan", 3), 16))' -VXLAN_ID=12094920 - - -xor2() { - echo -n "${1:0:1}" - echo -n "${1:1:1}" | tr '0123456789abcdef' '23016745ab89efcd' -} - -interface_linklocal() { - local macaddr="$(cat /sys/class/net/"${ETH}"/address)" - local oldIFS="$IFS"; IFS=':'; set -- $macaddr; IFS="$oldIFS" - - echo "fe80::$(xor2 "$1")$2:$3ff:fe$4:$5$6" -} - -sudo ip link add "${BRIDGE}" type bridge -for i in `seq 1 5`; do - sudo ip tuntap add dev tap$i mode tap user "$USER" - sudo ip link set tap$i up - sudo ip link set tap$i master "${BRIDGE}" -done - -sudo ip link set "${BRIDGE}" up - -sudo ip addr add "$(interface_linklocal)"/64 dev "$ETH" -sudo ip link del "${VXLAN}" -sudo ip -6 link add "${VXLAN}" type vxlan \ - id "${VXLAN_ID}" \ - dstport 4789 \ - local "$(interface_linklocal)" \ - group ff02::15c \ - dev "${ETH}" \ - udp6zerocsumtx udp6zerocsumrx \ - ttl 1 - -sudo ip link set "${VXLAN}" up master "${BRIDGE}" -sudo ip addr replace 192.168.2.1/24 dev "${BRIDGE}"

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[doc] backup-redmine/2019-11-07, master: doc: open-mesh/Kernel_debugging_with_kgdb (97b3f53)
by postmaster＠open-mesh.org 16 Nov '19

16 Nov '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-11-07,master >--------------------------------------------------------------- commit 97b3f5369b8e904a2dbd362ca79195cbad5efcfb Author: Sven Eckelmann <sven(a)narfation.org> Date: Mon Oct 14 10:31:23 2019 +0000 doc: open-mesh/Kernel_debugging_with_kgdb >--------------------------------------------------------------- 97b3f5369b8e904a2dbd362ca79195cbad5efcfb open-mesh/Kernel_debugging_with_kgdb.textile | 102 +++++++++++++++++++++++++++ 1 file changed, 102 insertions(+) diff --git a/open-mesh/Kernel_debugging_with_kgdb.textile b/open-mesh/Kernel_debugging_with_kgdb.textile index c689d9a..3ecbb45 100644 --- a/open-mesh/Kernel_debugging_with_kgdb.textile +++ b/open-mesh/Kernel_debugging_with_kgdb.textile @@ -107,6 +107,108 @@ index 84a3d88a7f..c8a017f970 100644 USE_ATKBD = generic 64 </pre> +For ar71xx (GL.inet AR750 in my case), it would look like: + +<pre> +diff --git a/target/linux/ar71xx/config-4.14 b/target/linux/ar71xx/config-4.14 +index 4bc84792b6..8bd7c8b299 100644 +--- a/target/linux/ar71xx/config-4.14 ++++ b/target/linux/ar71xx/config-4.14 +@@ -290,7 +290,7 @@ CONFIG_ATH79=y + # CONFIG_ATH79_NVRAM is not set + # CONFIG_ATH79_PCI_ATH9K_FIXUP is not set + # CONFIG_ATH79_ROUTERBOOT is not set +-CONFIG_ATH79_WDT=y ++# CONFIG_ATH79_WDT is not set + CONFIG_CEVT_R4K=y + CONFIG_CLKDEV_LOOKUP=y + CONFIG_CLONE_BACKWARDS=y +@@ -299,6 +299,8 @@ CONFIG_CMDLINE_BOOL=y + # CONFIG_CMDLINE_OVERRIDE is not set + CONFIG_COMMON_CLK=y + # CONFIG_COMMON_CLK_BOSTON is not set ++CONFIG_CONSOLE_POLL=y ++CONFIG_CONSOLE_TRANSLATIONS=y + CONFIG_CPU_BIG_ENDIAN=y + CONFIG_CPU_GENERIC_DUMP_TLB=y + CONFIG_CPU_HAS_PREFETCH=y +@@ -316,10 +318,15 @@ CONFIG_CPU_SUPPORTS_MSA=y + CONFIG_CRYPTO_RNG2=y + CONFIG_CRYPTO_WORKQUEUE=y + CONFIG_CSRC_R4K=y ++CONFIG_DEBUG_INFO=y ++CONFIG_DEBUG_INFO_DWARF4=y ++# CONFIG_DEBUG_INFO_REDUCED is not set + CONFIG_DMA_NONCOHERENT=y ++CONFIG_DUMMY_CONSOLE=y + CONFIG_EARLY_PRINTK=y + CONFIG_ETHERNET_PACKET_MANGLE=y + CONFIG_FIXED_PHY=y ++CONFIG_GDB_SCRIPTS=y + CONFIG_GENERIC_ATOMIC64=y + CONFIG_GENERIC_CLOCKEVENTS=y + CONFIG_GENERIC_CMOS_UPDATE=y +@@ -385,6 +392,7 @@ CONFIG_HAVE_PERF_EVENTS=y + CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y + CONFIG_HAVE_SYSCALL_TRACEPOINTS=y + CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y ++CONFIG_HW_CONSOLE=y + CONFIG_HZ_PERIODIC=y + CONFIG_I2C=y + CONFIG_I2C_ALGOBIT=y +@@ -395,13 +403,20 @@ CONFIG_INITRAMFS_COMPRESSION="" + CONFIG_INITRAMFS_ROOT_GID=0 + CONFIG_INITRAMFS_ROOT_UID=0 + CONFIG_INITRAMFS_SOURCE="../../root" ++CONFIG_INPUT=y + CONFIG_INTEL_XWAY_PHY=y + CONFIG_IP17XX_PHY=y + CONFIG_IRQ_DOMAIN=y + CONFIG_IRQ_FORCED_THREADING=y + CONFIG_IRQ_MIPS_CPU=y + CONFIG_IRQ_WORK=y ++CONFIG_KGDB=y ++# CONFIG_KGDB_KDB is not set ++# CONFIG_KGDB_LOW_LEVEL_TRAP is not set ++CONFIG_KGDB_SERIAL_CONSOLE=y ++# CONFIG_KGDB_TESTS is not set + CONFIG_LEDS_GPIO=y ++CONFIG_MAGIC_SYSRQ=y + CONFIG_MARVELL_PHY=y + CONFIG_MDIO_BITBANG=y + CONFIG_MDIO_BUS=y +@@ -472,6 +487,7 @@ CONFIG_RTL8367_PHY=y + # CONFIG_SERIAL_8250_FSL is not set + CONFIG_SERIAL_8250_NR_UARTS=1 + CONFIG_SERIAL_8250_RUNTIME_UARTS=1 ++# CONFIG_SERIAL_KGDB_NMI is not set + # CONFIG_SOC_AR71XX is not set + # CONFIG_SOC_AR724X is not set + # CONFIG_SOC_AR913X is not set +@@ -503,3 +519,8 @@ CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM=y + CONFIG_TICK_CPU_ACCOUNTING=y + CONFIG_TINY_SRCU=y + CONFIG_USB_SUPPORT=y ++# CONFIG_VGACON_SOFT_SCROLLBACK is not set ++CONFIG_VGA_CONSOLE=y ++CONFIG_VT=y ++CONFIG_VT_CONSOLE=y ++# CONFIG_VT_HW_CONSOLE_BINDING is not set +diff --git a/target/linux/ar71xx/image/Makefile b/target/linux/ar71xx/image/Makefile +index 804532b55c..c485389f56 100644 +--- a/target/linux/ar71xx/image/Makefile ++++ b/target/linux/ar71xx/image/Makefile +@@ -58,7 +58,7 @@ define Device/Default + PROFILES = Default Minimal $$(DEVICE_PROFILE) + MTDPARTS := + BLOCKSIZE := 64k +- CONSOLE := ttyS0,115200 ++ CONSOLE := ttyS0,115200 nokaslr + CMDLINE = $$(if $$(BOARDNAME),board=$$(BOARDNAME)) $$(if $$(MTDPARTS),mtdparts=$$(MTDPARTS)) $$(if $$(CONSOLE),console=$$(CONSOLE)) + KERNEL := kernel-bin | patch-cmdline | lzma | uImage lzma + COMPILE := +</pre> + h3. Enabling python support for gdb OpenWrt will build a gdb when <code>CONFIG_GDB=y</code> is set in .config. But this version is missing python support. But it can be enabled with following patch:

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[doc] backup-redmine/2019-11-07, master: doc: open-mesh/Kernel_hacking_Debian_image (9f685c4)
by postmaster＠open-mesh.org 16 Nov '19

16 Nov '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-11-07,master >--------------------------------------------------------------- commit 9f685c4b5bd8c987b5d82128963b8dc648943f61 Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun Oct 13 20:48:55 2019 +0000 doc: open-mesh/Kernel_hacking_Debian_image >--------------------------------------------------------------- 9f685c4b5bd8c987b5d82128963b8dc648943f61 open-mesh/Kernel_hacking_Debian_image.textile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/open-mesh/Kernel_hacking_Debian_image.textile b/open-mesh/Kernel_hacking_Debian_image.textile index 681c035..4febac8 100644 --- a/open-mesh/Kernel_hacking_Debian_image.textile +++ b/open-mesh/Kernel_hacking_Debian_image.textile @@ -300,7 +300,7 @@ The @SHARED_PATH@ in run.sh has to be changed to a valid path which is used to s cat > run.sh << "EOF" #! /bin/sh -if [ "${LINKS_XTERM}" != "screen" ]; then +if [ -z "${STY}" ]; then echo "must be started inside a screen session" >&2 exit 1 fi

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[doc] backup-redmine/2019-11-07, master: doc: open-mesh/Kernel_debugging_with_kgdb (f809bcd)
by postmaster＠open-mesh.org 16 Nov '19

16 Nov '19

Repository : ssh://git@open-mesh.org/doc On branches: backup-redmine/2019-11-07,master >--------------------------------------------------------------- commit f809bcd64efee8f54b0a03e0472b3fe3631f4859 Author: Sven Eckelmann <sven(a)narfation.org> Date: Sun Oct 13 13:47:36 2019 +0000 doc: open-mesh/Kernel_debugging_with_kgdb >--------------------------------------------------------------- f809bcd64efee8f54b0a03e0472b3fe3631f4859 open-mesh/{OpenWrt_KGDB.textile => Kernel_debugging_with_kgdb.textile} | 2 +- .../{Emulation_Debug.textile => Kernel_hacking_Debian_image.textile} | 0 open-mesh/{Emulation.textile => Vde_switch_virtual_network.textile} | 0 3 files changed, 1 insertion(+), 1 deletion(-) diff --git a/open-mesh/OpenWrt_KGDB.textile b/open-mesh/Kernel_debugging_with_kgdb.textile similarity index 96% rename from open-mesh/OpenWrt_KGDB.textile rename to open-mesh/Kernel_debugging_with_kgdb.textile index ca27377..104bdec 100644 --- a/open-mesh/OpenWrt_KGDB.textile +++ b/open-mesh/Kernel_debugging_with_kgdb.textile @@ -195,7 +195,7 @@ lx-symbols ../batman-adv-2019.2/.pkgdir/ ../backports-4.19.66-1/.pkgdir/ ../butt The rest of the usage now works similar to debugging using gdbserver. Just set some additional breakpoints and let the kernel run again. kgdb will then inform gdb whenever a breakpoints was hit. Just keep in mind that it is not possible to interrupt the kernel from gdb (without a Oops or an already existing breakpoint) - use sysrq from linux for that. -Some other ideas are documented in [[Emulation_Debug#Using-GDB]]. This document also contains important hints about [[Emulation_Debug#Building-the-batman-adv-module|increasing the chance of getting debugable modules]] which didn't had all information optimized away. THe relevant flags could be set directly in the routing feed like this: +Some other ideas are documented in [[Emulation_Debug#Using-GDB]]. This document also contains important hints about [[Emulation_Debug#Building-the-batman-adv-module|increasing the chance of getting debugable modules]] which didn't had all information optimized away. The relevant flags could be set directly in the routing feed like this: <pre> diff --git a/batman-adv/Makefile b/batman-adv/Makefile diff --git a/open-mesh/Emulation_Debug.textile b/open-mesh/Kernel_hacking_Debian_image.textile similarity index 100% rename from open-mesh/Emulation_Debug.textile rename to open-mesh/Kernel_hacking_Debian_image.textile diff --git a/open-mesh/Emulation.textile b/open-mesh/Vde_switch_virtual_network.textile similarity index 100% rename from open-mesh/Emulation.textile rename to open-mesh/Vde_switch_virtual_network.textile

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[linux-merge]linux integration; annotated tag, batadv-next-for-davem-20191105, deleted. v5.4-rc5-330-g5759af0682b3
by postmaster＠open-mesh.org 14 Nov '19

14 Nov '19

The annotated tag, batadv-next-for-davem-20191105 has been deleted was 9acf6bc4aaa214f3c70a6ad56d501ec5d07fa4e9 ----------------------------------------------------------------------- tag batadv-next-for-davem-20191105 This feature/cleanup patchset includes the following patches: - bump version strings, by Simon Wunderlich - Simplify batadv_v_ogm_aggr_list_free using skb_queue_purge, by Christophe Jaillet - Replace aggr_list_lock with lock free skb handlers, by Christophe Jaillet - explicitly mark fallthrough cases, by Sven Eckelmann - Drop lockdep.h include from soft-interface.c, by Sven Eckelmann -----BEGIN PGP SIGNATURE----- iQJKBAABCgA0FiEE1ilQI7G+y+fdhnrfoSvjmEKSnqEFAl3BQgwWHHN3QHNpbW9u d3VuZGVybGljaC5kZQAKCRChK+OYQpKeoYaMD/93QapwlEvS+C/BQXk7B8nmrOUM a/Q2E/Pgp4VX8EjJ031urkWNsqtOOdgi3fx0iUassTDU8ei0bK6vkPN+XYrNoAPO G3Y4kBcyh2gViKC8ClNM2eUkrOpMJD31n7QiVmCPgyxwcK3pNoxvHSLVPgXx65BQ kE+ZEKwfQTe2wATzzYZQbFl8tSj245euBjGKqrV8uVhXIu1EvNsyHKDWZWKZs1v/ igMDKssIn9JBO/AHqxcVqykps6uR8SD2ZPa3n72nDcJcUz5SMgFXuDU2b/QouvUj bjlUxzGfD2V+J6ZcJyQmY3XNq4Ugs1xrqLWkvHlCeisyG3E98pWt1vF2fDl73jyd jjamv6tjdvePYH4xALcxRD5PW+INaIrOjIse3j7gezZPdnVTeUiwpgrixV/eQoeH Ku4RjFiE2eGTFpBHeWvDbtz6KU9f/p0RDlgxBr5ZU+cWvMR2Mqd7ZW6ICvx4UVB8 I/1GwKMsjJcO2FlsVbDXrFvOGHBirzk2BWG8/hLnrQe+E8QAvUaA7pJoqs1YFnSj KnU2pVS1TV8PQTrxIe3CIwBL9uLPD9DjJ1wS7zdvswVQoZxXPof3Ebwe31v+xjsX GmZMeC2nfVxmPojPcXCKf40Ffa8D1PP9YoAQfbhcuEgkeo98uybcfGqBWB7pWQhu 8t7HjEAS8VMx7btLfA== =h5/d -----END PGP SIGNATURE----- 5759af0682b3395e64cf615e062d6ecad01428dc batman-adv: Drop lockdep.h include for soft-interface.c ----------------------------------------------------------------------- -- linux integration

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[linux-merge]linux integration; annotated tag, v5.4-rc7, created. v5.4-rc7
by postmaster＠open-mesh.org 11 Nov '19

11 Nov '19

The annotated tag, v5.4-rc7 has been created at 368e906473dfe965c421677be67b4b1297eed6c9 (tag) tagging 31f4f5b495a62c9a8b15b1c3581acd5efeb9af8c (commit) replaces v5.4-rc6 tagged by Linus Torvalds on Sun Nov 10 16:17:24 2019 -0800 - Shortlog ------------------------------------------------------------ Linux 5.4-rc7 -----BEGIN PGP SIGNATURE----- iQFSBAABCAA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAl3IqJQeHHRvcnZhbGRz QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiGOiUH+gOEDwid5OODaFAd CggXugdFIlBZefKqGVNW5sjgX8pxFWHXuEMC8iNb6QXtQZdFrI6LFf9hhUDmzQtm 6y1LPxxEiTZjObMEsBNylb7tyzgujFHcAlp0Zro3w/HLCqmYTSP3FF46i2u6KZfL XhkpM4X7R7qxlfpdhlfESv/ElRGocZe6SwXfC7pcPo5flFcmkdu9ijqhNd/6CZ/h Nf9rTsD/wEDVUelFbgVN+LJzlaB0tsyc4Zbof07n8OsFZjhdEOop8gfM/kTBLcyY 6bh66SfDScdsNnC/l8csbPjSZRx+i+nQs67DyhGNnsSAFgHBZdC4Tb/2mDCwhCLR dUvuYZc= =1N6F -----END PGP SIGNATURE----- ----------------------------------------------------------------------- -- linux integration

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