Using FIFO channel 2 Detaching after fork from child process 8883. map 0 from 0xadb76000 to 0xadc76000 size 0x100000 (physical 0xc0114000) => AGP map 1 from 0xadc76000 to 0xadc77000 size 0x1000 (physical 0x1cc92000) => registers map 2 from 0xadc77000 to 0xadc78000 size 0x1000 (physical 0xd7cf9000) => registers map 3 from 0xadc78000 to 0xadc7c000 size 0x4000 (physical 0xfe89000) => registers map 4 from 0xadc7c000 to 0xadd7e000 size 0x102000 (physical 0xc0011000) => fifo map 5 from 0xade22000 to 0xae5c0000 size 0x79e000 (physical 0xd0000000) => no dump map 6 from 0xae5d7000 to 0xae6d9000 size 0x102000 (physical 0xc0001000) => fifo and so on -------- in gdb i get: rogram received signal SIGSEGV, Segmentation fault. [Switching to Thread -1208473408 (LWP 8870)] 0x0804aa7e in dump_after (dump_startup=0) at re.c:631 631 memcpy(mappings[i].after,mappings[i].start,mappings[i].size); (gdb) print mappings[i].start $1 = (unsigned int *) 0xadb76000 (gdb) print i $2 = 0 (gdb)