########################################
root@bu-lab62v2-oob:~# kdump-config show
DUMP_MODE: kdump
USE_KDUMP: 1
KDUMP_COREDIR: /var/crash
crashkernel addr: 0xdd000000
/var/lib/kdump/vmlinuz: symbolic link to /boot/vmlinuz-5.15.0-1040-bluefield
kdump initrd:
/var/lib/kdump/initrd.img: symbolic link to /var/lib/kdump/initrd.img-5.15.0-1040-bluefield
current state: ready to kdump
Verification
####### ####### ####### ####### ##### lab62v2- oob:~# bfver :4.7.0- 17-g55e782a
root@bu-
--/dev/mmcblk0boot0
BlueField ATF version: v2.2(release)
BlueField UEFI version: 4.7.0-30-g91cad60
BlueField BSP version: 4.7.0.13101
OS Release Version: bf-bundle- 2.7.0-11_ 24.04_ubuntu- 22.04_dev lab62v2- oob:~#
root@bu-
####### ####### ####### ####### ####### ###### lab62v2- oob:~# ifconfig oob_net0 UP,BROADCAST, RUNNING, MULTICAST> mtu 1500 c2ff:fe0e: 865a prefixlen 64 scopeid 0x20<link>
root@bu-
oob_net0: flags=4163<
inet 10.15.1.66 netmask 255.255.255.0 broadcast 10.15.1.255
inet6 fe80::a288:
ether a0:88:c2:0e:86:5a txqueuelen 1000 (Ethernet)
RX packets 202 bytes 22026 (22.0 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 65 bytes 5360 (5.3 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
root@bu- lab62v2- oob:~#
####### ####### ####### ####### ####### ##### lab62v2- oob:~# kdump-config show lib/kdump/ vmlinuz: symbolic link to /boot/vmlinuz- 5.15.0- 1040-bluefield lib/kdump/ initrd. img: symbolic link to /var/lib/ kdump/initrd. img-5.15. 0-1040- bluefield
root@bu-
DUMP_MODE: kdump
USE_KDUMP: 1
KDUMP_COREDIR: /var/crash
crashkernel addr: 0xdd000000
/var/
kdump initrd:
/var/
current state: ready to kdump
kexec command: line="BOOT_ IMAGE=/ boot/vmlinuz- 5.15.0- 1040-bluefield root=UUID= 0790b0b1- 2540-4819- aed6-0e26caf975 f5 ro console=hvc0 console=ttyAMA0 earlycon= pl011,0x1301000 0 fixrtc net.ifnames=0 biosdevname=0 iommu.passthrough=1 isolcpus=6,7 reset_devices systemd. unit=kdump- tools-dump. service nr_cpus=1" --initrd= /var/lib/ kdump/initrd. img /var/lib/ kdump/vmlinuz lab62v2- oob:~#
/sbin/kexec -p --command-
root@bu-
####### ####### ####### ####### ####### ####### ## lab62v2- oob:~# echo c > /proc/sysrq-trigger 1040-bluefield #42-Ubuntu /www.mellanox. com BlueField SoC/BlueField SoC, BIOS 4.7.0.13101 Apr 5 2024 0x0/0x200 0x20/0x2c lvl+0x68/ 0x84 0x18/0x34 seq_param_ set+0x0/ 0x9c sysrq+0xc4/ 0x250 trigger+ 0xbc/0x1a0 write+0xb0/ 0x10c 0xf8/0x2c4 0x70/0x100 sys_write+ 0x24/0x30 syscall+ 0x78/0x100 common. constprop. 0+0x54/ 0x184 svc+0x30/ 0xac sync_handler+ 0xa4/0x12c sync+0x1a4/ 0x1a8
root@bu-
[ 443.856844] sysrq: Trigger a crash
[ 443.861063] Kernel panic - not syncing: sysrq triggered crash
[ 443.866799] CPU: 0 PID: 10859 Comm: bash Kdump: loaded Tainted: G OE 5.15.0-
[ 443.877215] Hardware name: https:/
[ 443.887109] Call trace:
[ 443.889540] dump_backtrace+
[ 443.893194] show_stack+
[ 443.896494] dump_stack_
[ 443.900145] dump_stack+
[ 443.903444] panic+0x1b0/0x3a0
[ 443.906486] sysrq_reset_
[ 443.911003] __handle_
[ 443.914737] write_sysrq_
[ 443.918905] proc_reg_
[ 443.922640] vfs_write+
[ 443.925941] ksys_write+
[ 443.929328] __arm64_
[ 443.933235] invoke_
[ 443.936971] el0_svc_
[ 443.941747] do_el0_
[ 443.945046] el0_svc+0x48/0x160
[ 443.948175] el0t_64_
[ 443.952430] el0t_64_
[ 443.956082] SMP: stopping secondary CPUs
[ 443.960307] Starting crashdump kernel...
[ 443.964217] Bye!