FreeBSD 10.0-RELEASE-p7 instruction pointer = 0x20:0xc0f923e5 current process = 2505 (Xorg) You can repite it: # kldload radeonkms nm -n /boot/kernel/kernel | grep 0x c04b9630 t cam_compat_handle_0x17 c06a5600 T ed_probe_RTL80x9 c06a5880 t ed_rtl80x9_media_ioctl c06a7750 t ed_pccard_dl100xx_mii_readbits c06a7800 t ed_pccard_dl100xx_mii_writebits c09a1110 t xl_txeof_90xB c09a13a0 t xl_start_90xB_locked c0f14a20 T ed_probe_WD80x3_generic c0f153a0 T ed_probe_WD80x3 c0f80750 T Xint0x80_syscall c0f8bf00 t topo_probe_0x4 c136a5c8 d ed_probe_WD80x3.intr_vals
core.txt.52 FreeBSD 10.0-RELEASE-p7 instruction pointer = 0x20:0xc0f923e5 current process = 2505 (Xorg) core.txt.54 FreeBSD 10.0-RELEASE-p7 instruction pointer = 0x20:0xc0f8f9c5 current process = 1684 (Xorg)
*** This bug has been marked as a duplicate of bug 193380 ***