Re: [Crash-utility] [PATH v4 1/2] arm64: fix kernel memory map handling for kaslr-enabled kernel

2016-06-03 Thread Dave Anderson
- Original Message - > > The VMCOREINFO is primarily there for the user-space kdump and makedumpfile > > facilities. Crash does check it occasionally, but can't depend upon it, > > because there are too many other dumpfile formats. > > That is the reason that I insist on minimizing the

Re: [Crash-utility] arm64: odd backtrace?

2016-06-03 Thread Dave Anderson
- Original Message - > > But I'm not sure what happens when an arm64 IRQ exception occurs when > > the task is running in user space. Does it lay an exception frame down on > > the > > process stack and then make the transition? (and therefore the user-space > > frame > > above is

Re: [Crash-utility] arm64: odd backtrace?

2016-06-03 Thread AKASHI Takahiro
On Thu, Jun 02, 2016 at 10:52:28AM -0400, Dave Anderson wrote: > > - Original Message - > > Dave, > > > > When I ran "bt" against a process running in a user mode, I got > > an odd backtrace result: > > ===8<=== > > crash> ps > >... > > > 1324 1223 2 80002018be80 RU 0.0