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Accessing the console on many devices is difficult. netconsole eases debugging on devices that crash after the network is up. Reference to the netconsole documentation in upstream Linux: <https://www.kernel.org/doc/html/latest/networking/netconsole.html> | |netconsole=[+][src-port]@[src-ip]/[<dev>],[tgt-port]@<tgt-ip>/[tgt-macaddr] | | where | + if present, enable extended console support | src-port source for UDP packets (defaults to 6665) | src-ip source IP to use (interface address) | dev network interface (eth0) | tgt-port port for logging agent (6666) | tgt-ip IP address for logging agent | tgt-macaddr ethernet MAC address for logging agent (broadcast) OpenWrt specific notes: OpenWrt's device userspace scripts are attaching the network interface (i.e. eth0) to a (virtual) bridge (br-lan) device. This will cause netconsole to report: |network logging stopped on interface eth0 as it is joining a master device (and unfortunately the traffic/logs to stop at this point) As a workaround, the netconsole module can be manually loaded again after the bridge has been setup with: insmod netconsole netconsole=@/br-lan,@192.168.1.x/MA:C... One way of catching errors before the handoff, try to append the /etc/modules.conf file with the following extra line: options netconsole netconsole=@/eth0,@192.168.1.x/MA:C... and install the kmod-netconsole (=y) into the base image. Signed-off-by: Catalin Toda <catalinii@yahoo.com> (Added commit message from PR, added links to documentation) Signed-off-by: Christian Lamparter <chunkeey@gmail.com> |
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| boot | ||
| devel | ||
| firmware | ||
| kernel | ||
| lean | ||
| libs | ||
| network | ||
| qat | ||
| qca | ||
| system | ||
| utils | ||
| Makefile | ||