Physical address regions above the System RAM size doesn't have associated page descriptors. In such cases we shouldn't invoke dump_mem_map().
After the patch : crash> vtop d1002000 VIRTUAL PHYSICAL d1002000 20ec00000 PAGE DIRECTORY: c0578000 PGD: c0579a20 => c784b000 PMD: c784b000 => c784b010 PTE: c784b010 => 20ec0051b PAGE: 20ec00000 PTE PHYSICAL FLAGS 20ec0051b 20ec00000 (PRESENT|USER|GUARDED|COHERENT|ACCESSED) crash> Signed-off-by: Dave Anderson <[email protected]> Signed-off-by: Suzuki K. Poulose <[email protected]> --- memory.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/memory.c b/memory.c index 55a184b..84ae1b5 100755 --- a/memory.c +++ b/memory.c @@ -2796,7 +2796,7 @@ void do_vtop(ulong vaddr, struct task_context *tc, ulong vtop_flags) { physaddr_t paddr; - ulong vma; + ulong vma, page; int page_exists; struct meminfo meminfo; char buf1[BUFSIZE]; @@ -2930,7 +2930,7 @@ do_vtop(ulong vaddr, struct task_context *tc, ulong vtop_flags) fprintf(fp, "\n"); - if (page_exists) { + if (page_exists && phys_to_page(paddr, &page)) { if ((pc->flags & DEVMEM) && (paddr >= VTOP(vt->high_memory))) return; BZERO(&meminfo, sizeof(struct meminfo)); -- Crash-utility mailing list [email protected] https://www.redhat.com/mailman/listinfo/crash-utility
