------- Comment From indira.pr...@in.ibm.com 2018-05-09 12:56 EDT------- (In reply to comment #17) > (In reply to comment #16) > > HI Luciano, > > > > Bug is set to NEEDINFO state, may i know the pending item from my end. > > > > Regards, > > Indira > > Hi Indira, > > Yes, please confirm that the workaround Hari provided indeed allows kdump to > generate a vmcore successfully. We have a couple of other bugs this is > dependent on working to pursue gathering data for crashes reported. > > echo c > /proc/sysrq-trigger > > should tell us.
Hi, Have tried the workaround 1. root@boslcp3g4:~#/etc/kernel/postinst.d/kdump-tools 4.4.0-122-generic root@boslcp3g4:~# systemctl restart kdump-tools.service [ 216.964332] kdump-tools[8867]: Stopping kdump-tools: * unloaded kdump kernel [ 217.271290] kdump-tools[8895]: Starting kdump-tools: Modified cmdline:BOOT_IMAGE=/boot/vmlinux-4.4.0-122-generic root=UUID=8be749b1-a5a8-4ab8-986c-ee4fcc61165e ro ro splash quiet xmon=on irqpoll noirqdistrib nr_cpus=1 nousb systemd.unit=kdump-tools.service elfcorehdr=156800K [ 218.122135] kdump-tools[8895]: * loaded kdump kernel 2. root@boslcp3g4:~# kdump-config show DUMP_MODE: kdump USE_KDUMP: 1 KDUMP_SYSCTL: kernel.panic_on_oops=1 KDUMP_COREDIR: /var/crash crashkernel addr: /var/lib/kdump/vmlinuz: symbolic link to /boot/vmlinux-4.4.0-122-generic kdump initrd: /var/lib/kdump/initrd.img: symbolic link to /var/lib/kdump/initrd.img-4.4.0-122-generic current state: ready to kdump kexec command: /sbin/kexec -p --command-line="BOOT_IMAGE=/boot/vmlinux-4.4.0-122-generic root=UUID=8be749b1-a5a8-4ab8-986c-ee4fcc61165e ro ro splash quiet xmon=on irqpoll noirqdistrib nr_cpus=1 nousb systemd.unit=kdump-tools.service" --initrd=/var/lib/kdump/initrd.img /var/lib/kdump/vmlinuz 3. root@boslcp3g4:~# kdump-config status current state : ready to kdump root@boslcp3g4:~# cat /proc/cmdline BOOT_IMAGE=/boot/vmlinux-4.4.0-122-generic root=UUID=8be749b1-a5a8-4ab8-986c-ee4fcc61165e ro ro splash quiet crashkernel=512M crashkernel=4096M 4. Triggered crash & it logged crash logs root@boslcp3g4:~# ls -lr /var/crash total 364 -rw-r----- 1 root root 345515 May 7 06:19 _usr_bin_rsync.0.crash -rw-r----- 1 root root 13690 May 9 12:45 linux-image-4.4.0-122-generic-201805091244.crash -rw-r--r-- 1 root root 269 May 9 12:45 kexec_cmd drwxr-xr-x 2 root root 4096 May 9 12:44 201805091244 root@boslcp3g4:~# date Wed May 9 12:46:40 EDT 2018 Regards, Indira -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1769927 Title: ISST-LTE:KVM:Ubuntu1804:BostonLC:boslcp3g4:ubuntu1604:'kdump-config show' shows Not ready to kdump even after doing kdump setup. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-power-systems/+bug/1769927/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
