Hi On Thu, Oct 16, 2014 at 4:57 AM, Leonidas Spyropoulos <artafinde@xxxxxxxxx> wrote: > Hello list, > > I'm experiencing an issue while compiling big projects (i.e. linux > kernel but not limited to that). The issue seems to be related to > CPUFREQ and I'm trying to track it down. > > While compiling the linux-ck kernel the kernel panics and produce a core > dumps. When you say "produce a core dumps" what exactly you see. How do you know it produces the kernel dump? > I'm trying to get the core dump but I'm not able to access it after > hard reset. I tried enabling journalctl Storage=Auto to write to disk without > luck. After the crash happens kernel cannot write anything to disk nor send via network. Dealing with disk/network/... requires valid kernel data structures and you don't have them anymore. Once kernel crashed it has only one option - reboot. > > My FS is btrfs and the CPU is AMD FX-8120. The CPU is not overclocked > [1] and the Cool And Quiet is enabled alond with other power saving > options in BIOS (like C6 State). > > How can I access the kernel core dump after crash? Check kdump https://wiki.archlinux.org/index.php/Kdump - it is probably what you are looking for.
