Kdump only generates vmcore-dmesg.txt file into the dump target directory
Issue
-
The console logs will show the following output (kdump: saving vmcore complete). However, after the boot only the file
vmcore-dmesg.txtis available under the dump target directory.Starting Kdump Vmcore Save Service... kdump: dump target is /dev/mapper/vsnap-data1 kdump: saving to /kdumproot/opt/vsnap-data//crash/HOSTNAME-DATE-HOUR/ kdump: saving vmcore-dmesg.txt kdump: saving vmcore-dmesg.txt complete kdump: saving vmcore Copying data : [100.0 %] - eta: 0s kdump: saving vmcore complete -
The following messages are printed in
/var/log/messagesafter testing Kdump.Jun 2 15:34:20 HOSTNAME startup_pre: Removing kernel crash dumps from location: DUMP_LOCATION
Environment
- Red Hat Enterprise Linux (RHEL) 7.9
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.