----- Original Message ----- > > Is there method to know or print kaslr & phy_base in a running Linux > > system? > > Got it. > > crash> p vmcoreinfo_data+1600 > $12 = (unsigned char *) 0xffff90ff7cdc3640 > "poison)=22\nNUMBER(PG_head_mask)=32768\nNUMBER(PAGE_BUDDY_MAPCOUNT_VALUE)=-128\nNUMBER(HUGETLB_PAGE_DTOR)=2\nNUMBER(phys_base)=-499122176\nSYMBOL(init_top_pgt)=ffffffffa200a000\nSYMBOL(node_data)=ffffffffa225d780\nLENGTH(node_data)=1024\nKERNELOFFSET=1fc00000\nNUMB"... Right -- that's easier than my first suggestion. And on more recent kernels, the VMCOREINFO data has also been added to /proc/kcore, so you could also get it by entering "help -D". Dave -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility