On Thu, May 26, 2011 at 11:53 AM, <takuo.koguchi.sw@xxxxxxxxxxx> wrote: > Hi Mika, > >>Please check your platforms >>arch/arm/mach-<yourmach>/include/mach/memory.h and set both >>_SECTION_SIZE_BITS and _MAX_PHYSMEM_BITS to be the same as defined in >>the header. If crash works with the correct values, we just need to > Both SECTION_SIZE_BITS 28 and MAX_PHYSMEM_BITS 32 are defined correctly in the kernel header and defs.h. > Although, still I got >>> crash: invalid kernel virtual address: f67f000 type: "page table" Do you happen to have CONFIG_HIGHPTE enabled? > > It might come form my vmcore file's incorrectness. > Currently my vmcore contains the following, > Program Headers: > Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align > NOTE 0x000074 0x00000000 0x00000000 0x00000 0x00000 0 > LOAD 0x000074 0xc0000000 0x00000000 0x20000000 0x20000000 RWE 0 > > But actual mapping is, > Virtual 0xc0000000-0xcfffffff corresponds Physical 0x00000000-0x0fffffff > and > Virtual 0xd0000000-0xdfffffff corresponds Physical 0x40000000-0x4fffffff > > Then I tried to prepend the following header instead, > Program Headers: > Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align > NOTE 0x000094 0x00000000 0x00000000 0x00000 0x00000 0 > LOAD 0x000094 0xc0000000 0x00000000 0x10000000 0x10000000 RWE 0 > LOAD 0x10000094 0xd0000000 0x40000000 0x10000000 0x10000000 RWE 0 > > This time crash does not recognize the vmcore file. > > Perhaps I have to change VTOP/PTOV macros accordingly? It should be enough if you have machdep->machspec->phys_base set to correct value, which is 0 in your case. You can see this by running 'crash -d1 ...'. Also if possible, can you post the full output here so that we can analyze it further. -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility
