Package: initramfs-tools-core Version: 0.130 Severity: normal Tags: patch In stable/stretch if there are no interfaces yet and ip-config doesn't configure anything we get a panic.
I am using this patch in production with good results, it waits for network interfaces to show and avoids sourcing an inexistent file, avoiding the panic. This happens with a USB network card but it could happen with other cards too. Maybe it is too much for stable/stretch, but unstable/sid version 0.132 seems to have the same problem so can be applied there. Here it is, hope you find it useful: --- functions.old 2017-03-06 19:42:55.000000000 -0300 +++ functions 2018-10-23 19:20:26.726994846 -0300 @@ -182,6 +182,15 @@ configure_networking() { + for device_wait_try in 5 4 3 2 1; do + for device in /sys/class/net/*; do + [ $device = /sys/class/net/lo ] && continue + break 2 + done + sleep 1 + done + [ $device_wait_try = 1 ] && log_warning_msg "No network device found" + if [ -n "${BOOTIF}" ]; then # pxelinux sets BOOTIF to a value based on the mac address of the # network card used to PXE boot, so use this value for DEVICE rather @@ -269,10 +278,12 @@ if [ -n "${DEVICE}" ]; then # source specific bootdevice . /run/net-${DEVICE}.conf - else + elif [ -e /run/net-*.conf ]; then # source any interface... # ipconfig should have quit after first response . /run/net-*.conf + else + log_warning_msg "Network configuration failed, maybe driver/module not loaded/initialized yet or cable/network problem" fi } Thanks a lot!!! -- System Information: Debian Release: 9.5 APT prefers stable-updates APT policy: (500, 'stable-updates'), (500, 'stable') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.9.0-8-amd64 (SMP w/2 CPU cores) Locale: LANG=es_UY.UTF-8, LC_CTYPE=es_UY.UTF-8 (charmap=UTF-8), LANGUAGE=es_UY.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages initramfs-tools-core depends on: ii cpio 2.11+dfsg-6 ii klibc-utils 2.0.4-9 ii kmod 23-2 ii udev 232-25+deb9u4 Versions of packages initramfs-tools-core recommends: ii busybox 1:1.22.0-19+b3 Versions of packages initramfs-tools-core suggests: ii bash-completion 1:2.1-4.3 -- Configuration Files: /etc/initramfs-tools/initramfs.conf changed: MODULES=netboot BUSYBOX=auto KEYMAP=n COMPRESS=xz DEVICE= NFSROOT=auto BOOT=nfs -- no debconf information -- debsums errors found: debsums: changed file /usr/share/initramfs-tools/scripts/functions (from initramfs-tools-core package)