vmcore
-
Jump into vmcore analysis – Step 3
Now we are ready to deep dive into vmcore analysis to confirm what went wrong in the system. In general, first thing I’m checking is the system’s log. crash> log …. …. end_request: I/O error, dev sdajm, sector 0 end_request: I/O error, dev sdajm, sector 8 end_request: I/O error, dev sdajm, sector 0 NMI Watchdog… Continue reading
-
Jump into a vmcore analysis – Step 2
As I had mentioned in the previous article, you can launch crash analysis by running the below command $ crash vmcore vmlinux The order of the file doesn’t matter as far as the file exist there. But, there’s a time that crash command fails as a vmcore is highly incomplete. In that case, you can… Continue reading
About Me
A software engineer who loves any technologies that makes life easier. That’s why I love Linux and Mac at the same time.
Recent Posts
- How to find the actual memory usage by each process
- How to check memory usage in Linux – part 1.2 – Per-process level memory usage check
- How to check memory usage in Linux – part 1.1 – System level memory usage check
- How to check memory usage in Linux – part 1. User space
- How to track SLAB usage using slub_debug=U