Hi Vipul, On Fri, Nov 29, 2013 at 5:58 AM, Vipul Jain <vipulsj@xxxxxxxxx> wrote: > Hi Kernel alias, > > I am a newbie and I am trying to figure out ways where in I can recover the > Linux in below two scenarios: > 1. my specific process hangs. > 2. kernel gets hung partially or completely. > > I have done some reading and seems like there is softlockup and hardlockup > mechanisms in Linux source base that I can use but not sure, if yes I have > below questions: > 1. Which kernel version is minimum required for this? > 2. How do I know that soft and hard lockup are enabled in my kernel? > 3. How can I customize the behavior of default action that been taken? > 4. Can I use these two lockup mechanism to find out if my process is hung > or not? > 5. Any pointers to any docs that can help will be appreciated. > > I will greatly appreciate any help here. What about crashing the system using sysrq and analysing the ramdump using crash utility? May be the following link give you some pointers, https://wiki.ubuntu.com/Kernel/CrashdumpRecipe Thanks, Arun > > > Regards, > Vipul. > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies