Re: [Crash-utility] [PATCH v3 0/9] teach crash to work with "live" ramdump

n 05/04, Dave Anderson wrote: > > Hi Oleg, > > The v3 patchset has been queued for crash-7.1.6: > > https://github.com/crash-utility/crash/commit/89ed9d0a7f7da4578294a492c1a... > > I added some documentation in help.c for "crash -h", and in the crash.8 man > page. > Also, I changed ACTIVE() to LOCAL_ACTIVE() in the x86_64_calc_phys_base() > function, > so phys_base will default to 0 instead of being based upon the host > kernel's. Great, thanks! > So the next stage should be support for creation of a permanent ELF vmcore > from > one of these QEMU ramdumps with "crash -o". AFAICT, it should simply be a > matter > of adding this to ramdump_to_elf(): > > --- crash-7.1.5/ramdump.c.orig > +++ crash-7.1.5/ramdump.c > @@ -186,6 +186,8 @@ char *ramdump_to_elf(void) > e_machine = EM_AARCH64; > else if (machine_type("MIPS")) > e_machine = EM_MIPS; > + else if (machine_type("X86_64")) > + e_machine = EM_X86_64; > else > error(FATAL, "ramdump: unsupported machine type: %s\n", > MACHINE_TYPE); Works for me ;) Tested with and without the "-o" option. $ ./crash ../VMLINUX /tmp/MEM@0 ... $ ./crash ../VMLINUX /tmp/MEM@0 -o /tmp/dump ... $ ./crash ../VMLINUX /tmp/dump everything seems to work. > It would be best if it were with a crashed guest > image. yes, search-for-panicked-task works too. > but I will need a pointer to a ramdump image that > I can work with. so everything seems to work, but if you want to play with my ramdump too you can find the following files in http://people.redhat.com/onestero/for_dave/ VMLINUX # well, vmlinux ;) MEM # RAM dump before panic MEM_AFTER_CRASH # RAM dump after init (bash with pid==1) exits Oleg.