On Tue, Sep 2, 2014 at 4:44 PM, John Whitmore <arigead@xxxxxxxxx> wrote: > I'm not even sure that this is the correct home for this question but sure > it's worth a punt. I'm running OpenSUSE on a netbook and use it to compile and > install the latest kernel from Linus's git repo. This has always been a simple > operation pulling the latest, updating the config file, make and install. > > A few versions ago I hit a snag in that once installed the new kernel would > show up in the grub2 menu but once selected for boot the machine would just go > to a blank screen and hang. I'd have to do a hard reset. I can't be specific > on which version this started happening on as the problem is intermittent. It > seems to be a race condition sometimes a kernel will boot and sometimes it > won't. > > I thought I could investigate this issue but I can't find any debug info for > this problem at all. grub2 is happy as it's handed control over to the kernel > but there's no evidence of any kernel activity in the logs at all for the > requested boot. > > So the reason for this post is to ask if anybody could suggest how to debug > this issue. I think it came in about 3.14 but like I say it's intermittent. while in the grub menu choose the entry which shows recovery mode . It will give you some debugging information on the screen. thanks sudip > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies