open("/dev/video1", O_RDWR)             = 11
ioctl(11, VIDIOC_QUERYCAP or VT_OPENQRY, 0xbee1e7c0) = 0
ioctl(11, VIDIOC_G_FMT or VIDIOC_SUBDEV_G_FMT or VT_SENDSIG, 0xbee1e828) = 0
ioctl(11, VIDIOC_G_CTRL, 0xbee1e7b8)    = 0
mmap2(NULL, 8388608, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x40598000
mprotect(0x40598000, 4096, PROT_NONE)   = 0
clone(child_stack=0x40d96f38, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x40d97468, tls=0x40d978c0, child_tidptr=0x40d97468) = 2534
writev(7, [{"\3", 1}, {"hwcomposer\0", 11}, {"int hwc_device_open(const hw_mod"..., 79}], 3) = 91
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0} ---
+++ killed by SIGSEGV +++
Segmentation fault