Reading symbols from [32m./netbsd.gdb[m...
(gdb) target kvm netbsd.1.core
[34m0xc012d6ed[m in [33mmaybe_dump[m ([36mhowto[m=260) at [32m/home/disciple/netbsd-10/src/sys/arch/i386/i386/machdep.c[m:725
725	/home/disciple/netbsd-10/src/sys/arch/i386/i386/machdep.c: No such file or directory.
(gdb) bt
#0  [34m0xc012d6ed[m in [33mmaybe_dump[m ([36mhowto[m=260) at [32m/home/disciple/netbsd-10/src/sys/arch/i386/i386/machdep.c[m:725
#1  [33mcpu_reboot[m ([36mhowto=howto@entry[m=260, [36mbootstr=bootstr@entry[m=0x0)[m
   [m at [32m/home/disciple/netbsd-10/src/sys/arch/i386/i386/machdep.c[m:746
#2  [34m0xc0c85ca7[m in [33mkern_reboot[m ([36mhowto=howto@entry[m=260, [36mbootstr=bootstr@entry[m=0x0)[m
   [m at [32m/home/disciple/netbsd-10/src/sys/kern/kern_reboot.c[m:73
#3  [34m0xc0cbc868[m in [33mvpanic[m ([36mfmt=fmt@entry[m=0xc1186d7c "trap", [36map[m=0xdaf78dc0 "\210\216\367\332\210\216\367\332\315")[m
   [m at [32m/home/disciple/netbsd-10/src/sys/kern/subr_prf.c[m:291
#4  [34m0xc0cbc921[m in [33mpanic[m ([36mfmt=fmt@entry[m=0xc1186d7c "trap") at [32m/home/disciple/netbsd-10/src/sys/kern/subr_prf.c[m:208
#5  [34m0xc012fed8[m in [33mtrap[m ([36mframe[m=0xdaf78e88) at [32m/home/disciple/netbsd-10/src/sys/arch/i386/i386/trap.c[m:358
#6  [34m0xc012529b[m in [33malltraps[m ()
#7  [34m0xdaf78e88[m in [33m??[m ()
#8  [34m0xc049813a[m in [33mpmap_page_remove[m ([36mpg[m=0x1030101) at [32m/home/disciple/netbsd-10/src/sys/arch/x86/x86/pmap.c[m:4612
#9  [34m0xc06cd11e[m in [33mpmap_page_protect[m ([36mprot[m=0, [36mpg[m=<optimized out>) at [32m./x86/pmap.h[m:151
#10 [33mi915_gem_object_release_mmap_offset[m ([36mobj[m=<optimized out>)[m
   [m at [32m/home/disciple/netbsd-10/src/sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_mman.c[m:683
#11 [33mi915_gem_object_release_mmap_offset[m ([36mobj[m=0xc303dac0)[m
   [m at [32m/home/disciple/netbsd-10/src/sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_mman.c[m:669
#12 [34m0xc06cd604[m in [33m__i915_gem_free_objects[m ([36mi915[m=0xc2b49004, [36mfreed[m=<optimized out>)[m
   [m at [32m/home/disciple/netbsd-10/src/sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_object.c[m:228
#13 [34m0xc0aef545[m in [33mlinux_workqueue_thread[m ([36mcookie[m=0xc2f80e40)[m
   [m at [32m/home/disciple/netbsd-10/src/sys/external/bsd/common/linux/linux_work.c[m:455
#14 [34m0xc0102011[m in [33mlwp_trampoline[m ()
(gdb) fram 11
#11 [33mi915_gem_object_release_mmap_offset[m ([36mobj[m=0xc303dac0)[m
   [m at [32m/home/disciple/netbsd-10/src/sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_mman.c[m:669
669	/home/disciple/netbsd-10/src/sys/external/bsd/drm2/dist/drm/i915/gem/i915_gem_mman.c: No such file or directory.
(gdb) info locals
[36mpage[m = <optimized out>
[36mvm_page[m = <optimized out>
[36mi[m = <optimized out>
(gdb) print *obj
$1 = {base = {refcount = {kr_count = 0}, handle_count = 0, dev = [34m0xc2b49004[m, filp = [34m0xc36f5680[m, gemo_uvmobj = {[m
      [mvmobjlock = [34m0xc452f1c0[m, pgops = [34m0xc1086780[m <[33mi915_gem_uvm_ops[m>, uo_npages = 0, uo_refs = 1, uo_pages = {t_root = [34m0x0[m, [m
        [mt_height = 0}, uo_ubc = {lh_first = [34m0x0[m}}, vma_node = {von_lock = {rw_owner = 0}, von_startpage = 0, von_npages = 0, [m
      [mvon_files = {rbt_root = [34m0x0[m, rbt_ops = [34m0xc11480cc[m <[33mdrm_vma_file_rb_ops[m>, rbt_minmax = {[34m0xc303daf8[m, [34m0xc303daf8[m}}, [m
      [mvon_rb_node = {rb_nodes = {[34m0x0[m, [34m0x0[m}, rb_info = 0}, readonly = false}, size = 16384, name = 0, dma_buf = [34m0x0[m, [m
    [mimport_attach = [34m0x0[m, resv = [34m0xc303db2c[m, _resv = {lock = {wwm_state = 0 '\000', wwm_debug = false, wwm_u = {owner = [34m0x0[m, [m
          [mctx = [34m0x0[m}, wwm_lock = {u = {mtxa_owner = 1537, s = {mtxs_dummy = 1 '\001', mtxs_ipl = {_ipl = 6 '\006'}, [m
              [mmtxs_lock = 0 '\000', mtxs_unused = 0 '\000'}}}, wwm_class = [34m0xc14d2cc0[m <[33mlinux_reservation_ww_class[m>, [m
        [mwwm_waiters = {rbt_root = [34m0x0[m, rbt_ops = [34m0xc117b2d0[m <[33mww_acquire_ctx_rb_ops[m>, rbt_minmax = {[34m0x0[m, [34m0x0[m}}, wwm_cv = {[m
          [mcv_opaque = {[34m0x0[m, [34m0xc1277d30[m}}}, seq = {sqc_gen = 0}, fence_excl = [34m0x0[m, fence = [34m0x0[m, robj_prealloc = [34m0x0[m}, [m
    [mfuncs = [34m0x0[m}, ops = [34m0xc10867c0[m <[33mi915_gem_phys_ops[m>, vma = {lock = {sl_lock = {u = {mtxa_owner = 1537, s = {[m
            [mmtxs_dummy = 1 '\001', mtxs_ipl = {_ipl = 6 '\006'}, mtxs_lock = 0 '\000', mtxs_unused = 0 '\000'}}}}, list = {[m
      [mprev = [34m0xc303db70[m, next = [34m0xc303db70[m}, tree = {rbr_tree = {rbt_root = [34m0x0[m, rbt_ops = [34m0xc10903dc[m <[33mvma_tree_rb_ops[m>, [m
        [mrbt_minmax = {[34m0xc303db78[m, [34m0xc303db78[m}}}}, lut_list = {prev = [34m0xc303db88[m, next = [34m0xc303db88[m}, stolen = [34m0x0[m, {rcu = {[m
      [mrcuh_u = {callback = [34m0xc303d9d4[m, obj = [34m0xc303d9d4[m}, rcuh_next = [34m0x0[m}, freed = {next = [34m0xc303d9d4[m}}, userfault_count = 0, [m
  [muserfault_link = {prev = [34m0x0[m, next = [34m0x0[m}, mmo = {lock = {sl_lock = {u = {mtxa_owner = 1537, s = {mtxs_dummy = 1 '\001', [m
            [mmtxs_ipl = {_ipl = 6 '\006'}, mtxs_lock = 0 '\000', mtxs_unused = 0 '\000'}}}}, offsets = {[34m0x0[m, [34m0x0[m, [34m0x0[m, [34m0x0[m}}, [m
  [mflags = 0, cache_level = 0, cache_coherent = 0, cache_dirty = 0, read_domains = 1, write_domain = 0, frontbuffer = [34m0x0[m, [m
  [mtiling_and_stride = 0, bind_count = {a_u = {au_int = 0, au_uint = 0}}, mm = {lock = {mtx_lock = {u = {mtxa_owner = 0, s = {[m
            [mmtxs_dummy = 0 '\000', mtxs_ipl = {_ipl = 0 '\000'}, mtxs_lock = 0 '\000', mtxs_unused = 0 '\000'}}}}, [m
    [mpages_pin_count = {a_u = {au_int = 1, au_uint = 1}}, shrink_pin = {a_u = {au_int = 2, au_uint = 2}}, region = [34m0xc300e704[m, [m
    [mblocks = {prev = [34m0xc303dbe4[m, next = [34m0xc303dbe4[m}, region_link = {prev = [34m0x2[m, next = [34m0x1[m}, u = {internal = {[m
        [msegs = [34m0xa2bc000[m, nsegs = 16384, rsegs = -605319168}, phys = {seg = {ds_addr = 170639360, ds_len = 16384}, [m
        [mkva = [34m0xdbeb9000[m}}, pages = [34m0xc3b38e04[m, mapping = [34m0x0[m, page_sizes = {phys = 16384, sg = 4096, gtt = 0}, get_page = {[m
      [msg_pos = [34m0x0[m, sg_idx = 0, radix = {rtr_tree = {t_root = [34m0x0[m, t_height = 0}, rtr_lock = 0 '\000'}, lock = {mtx_lock = {[m
          [mu = {mtxa_owner = 0, s = {mtxs_dummy = 0 '\000', mtxs_ipl = {_ipl = 0 '\000'}, mtxs_lock = 0 '\000', [m
              [mmtxs_unused = 0 '\000'}}}}}, link = {prev = [34m0xc303dc2c[m, next = [34m0xc303dc2c[m}, madv = 0, dirty = false, [m
    [mquirked = false}, bit_17 = [34m0x0[m, {userptr = {ptr = 0, mm = [34m0x0[m, mmu_object = [34m0x0[m, work = [34m0x0[m}, scratch = 0, gvt_info = [34m0x0[m}}
(gdb) print *obj->mm.pages
$2 = {sgl = {{sg_pgs = [34m0xc456f5c4[m, sg_npgs = 1, sg_dmat = [34m0xc147e8c0[m <[33mpci_bus_dma_tag[m>, sg_dmamap = [34m0xc455a704[m}}, nents = 1}
(gdb) print obj->mm.pages->sgl->sg_pgs[0]
$3 = (struct page *) [34m0x0[m