Package: kdump-tools Version: 1:1.6.4-3 Severity: important kdump-tools does not create any core when I attempt to trigger a panic. I see the hd lights flashing, probably because the kernel is being loaded, but then, I never find anything in /var/crash.
root@mozart:/var/crash# kdump-config test USE_KDUMP: 1 KDUMP_SYSCTL: kernel.panic_on_oops=1 KDUMP_COREDIR: /var/crash crashkernel addr: 0x24000000 kdump kernel addr: kdump kernel: /var/lib/kdump/vmlinuz: symbolic link to /boot/vmlinuz-4.18.0-2-amd64 kdump initrd: /var/lib/kdump/initrd.img: symbolic link to /var/lib/kdump/initrd.img-4.18.0-2-amd64 kexec command to be used: /sbin/kexec -p --command-line="BOOT_IMAGE=/boot/vmlinuz-4.18.0-2-amd64 root=UUID=25ddc407-30ce-4dc1-8e68-11b7d4316955 ro quiet nr_cpus=1 systemd.unit=kdump-tools.service irqpoll nousb ata_piix.prefer_ms_hyperv=0" --initrd=/var/lib/kdump/initrd.img /var/lib/kdump/vmlinuz root@mozart:/var/crash# kdump-config status current state : ready to kdump df -h /var/crash/ Filesystem Size Used Avail Use% Mounted on /dev/sda5 30G 24G 4.3G 85% / Many thanks Fulvio Ciriaco -- System Information: Debian Release: buster/sid APT prefers testing APT policy: (500, 'testing') Architecture: amd64 (x86_64) Kernel: Linux 4.18.0-2-amd64 (SMP w/4 CPU cores) Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages kdump-tools depends on: ii bsdmainutils 11.1.2+b1 ii debconf [debconf-2.0] 1.5.69 ii file 1:5.34-2 ii kexec-tools 1:2.0.16-1 ii linux-base 4.5 ii lsb-base 9.20170808 ii makedumpfile 1:1.6.4-3 ii ucf 3.0038 Versions of packages kdump-tools recommends: ii initramfs-tools-core 0.132 kdump-tools suggests no packages. -- Configuration Files: /etc/default/grub.d/kdump-tools.cfg changed: GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT crashkernel=256M" -- debconf-show failed
