On Mon, Aug 20, 2018 at 03:05:49PM +0530, Vignesh Raman wrote: > Hi, > > I'm seeing a kernel freeze (and systemd reboots after few seconds) > when docker running kubernetes with debian 4.9 RT kernel > (4.9.0-6-rt-amd64). > This was tested with 4.14 -rt kernel and the issue was still seen. > kdump is not capturing the coredump in this case so I'm unable to > check the crash logs. > The system crash logs are not available in /sys/fs/pstore. [..] > I'm unable to root cause the reason for freeze/crash because crash > logs are not available. > Is there any other way to capture the crashdump? Any pointers will be > helpful. Thanks. Serial console is really the best way to go, especially if the higher level tools (crash, pstore, etc.) aren't functioning properly. With the hopes that you can get an oops or panic message... Julia
