vm_soft_fault: va 0x20202020 not covered by area in address space
vm_page_fault: vm_soft_fault returned error 'Bad address' on fault at 0x20202020, ip 0x80714e0f, write 0, user 0, thread 0xbb
CPU 1 halted!
PANIC: vm_page_fault: unhandled page fault in kernel space at 0x20202020, ip 0x80714e0f

Welcome to Kernel Debugging Land...
Running on CPU 0
kdebug> where
stack trace for thread 187 "moz-thread"
    kernel stack: 0x92fc1000 to 0x92fc5000
      user stack: 0x70041000 to 0x70081000
frame            caller     <image>:function + offset
92fc4408 (+  52) 8008cbdb   <kernel>:invoke_debugger_command + 0x00cf
92fc443c (+  64) 8008d97c   <kernel>:_ParseCommand__16ExpressionParserRi + 0x01f8
92fc447c (+  48) 8008d36e   <kernel>:EvaluateCommand__16ExpressionParserPCcRi + 0x01de
92fc44ac (+ 228) 8008ea90   <kernel>:evaluate_debug_command + 0x0088
92fc4590 (+  64) 8008b71e   <kernel>:kernel_debugger_loop__Fv + 0x017a
92fc45d0 (+  48) 8008c3c9   <kernel>:kernel_debugger + 0x010d
92fc4600 (+ 192) 8008c2b1   <kernel>:panic + 0x0029
92fc46c0 (+  64) 80062fcb   <kernel>:vm_page_fault + 0x00ab
92fc4700 (+  64) 8009af41   <kernel>:page_fault_exception + 0x00b1
92fc4740 (+  12) 8009e61d   <kernel>:int_bottom + 0x001d (nearest)
iframe at 0x92fc474c (end = 0x92fc47a4)
 eax 0x20202020     ebx 0x80718c28      ecx 0x1          edx 0x246
 esi 0x0            edi 0xe0            ebp 0x92fc47b4   esp 0x92fc4780
 eip 0x80714e0f  eflags 0x10286
 vector: 0xe, error code: 0x0
92fc474c (+ 104) 80714e0f   </boot/beos/system/add-ons/kernel/drivers/dev/net/rtl8139>:m_free + 0x0017
92fc47b4 (+  48) 80714d71   </boot/beos/system/add-ons/kernel/drivers/dev/net/rtl8139>:m_freem + 0x0025
92fc47e4 (+  64) 80712980   </boot/beos/system/add-ons/kernel/drivers/dev/net/rtl8139>:m_defrag + 0x0134
92fc4824 (+  48) 8070ca86   </boot/beos/system/add-ons/kernel/drivers/dev/net/rtl8139>:rl_encap + 0x0026
92fc4854 (+  64) 8070cd11   </boot/beos/system/add-ons/kernel/drivers/dev/net/rtl8139>:rl_start_locked + 0x0195
92fc4894 (+  48) 8070cb3d   </boot/beos/system/add-ons/kernel/drivers/dev/net/rtl8139>:rl_start + 0x0055
92fc48c4 (+  48) 807143ca   </boot/beos/system/add-ons/kernel/drivers/dev/net/rtl8139>:if_start + 0x0022
92fc48f4 (+  64) 8071489f   </boot/beos/system/add-ons/kernel/drivers/dev/net/rtl8139>:ether_output + 0x011b
92fc4934 (+  64) 8070f9ef   </boot/beos/system/add-ons/kernel/drivers/dev/net/rtl8139>:compat_write + 0x006b
92fc4974 (+ 128) 80043440   <kernel>:devfs_write__FP9fs_volumeP8fs_vnodePvxPCvPUl + 0x0178
92fc49f4 (+  64) 800548f2   <kernel>:file_write__FP15file_descriptorxPCvPUl + 0x0036
92fc4a34 (+  96) 80046431   <kernel>:_kern_write + 0x0125
92fc4a94 (+  64) 800a6d4f   <kernel>:write + 0x001f
92fc4ad4 (+  96) 8052c621   </boot/beos/system/add-ons/kernel/network/devices/ethernet>:ethernet_send_data__FP10net_deviceP10net_buffer + 0x0105
92fc4b34 (+  64) 802e1040   </boot/beos/system/add-ons/kernel/network/stack>:interface_protocol_send_data__FP21net_datalink_protocolP10net_buffer + 0x0
06c
92fc4b74 (+  80) 80525bb4   </boot/beos/system/add-ons/kernel/network/datalink_protocols/ethernet_frame>:ethernet_frame_send_data__FP21net_datalink_pro
tocolP10net_buffer + 0x0120
92fc4bc4 (+  96) 805232fd   </boot/beos/system/add-ons/kernel/network/datalink_protocols/arp>:arp_send_data__FP21net_datalink_protocolP10net_buffer + 0
x0225
92fc4c24 (+  48) 805276d8   </boot/beos/system/add-ons/kernel/network/datalink_protocols/ipv4_datagram>:ipv4_datalink_send_data__FP21net_datalink_proto
colP10net_buffer + 0x0028
92fc4c54 (+  48) 802e0c38   </boot/beos/system/add-ons/kernel/network/stack>:datalink_send_data__FP9net_routeP10net_buffer + 0x0084
92fc4c84 (+ 112) 805051f4   </boot/beos/system/add-ons/kernel/network/protocols/ipv4>:ipv4_send_routed_data__FP12net_protocolP9net_routeP10net_buffer +
 0x03a4
92fc4cf4 (+ 128) 8051089c   </boot/beos/system/add-ons/kernel/network/protocols/tcp>:_SendQueued__11TCPEndpointbUl + 0x052c
92fc4d74 (+  48) 80510367   </boot/beos/system/add-ons/kernel/network/protocols/tcp>:_SendQueued__11TCPEndpointb + 0x002b
92fc4da4 (+  64) 8050f22a   </boot/beos/system/add-ons/kernel/network/protocols/tcp>:SendData__11TCPEndpointP10net_buffer + 0x023a
92fc4de4 (+  48) 8050db47   </boot/beos/system/add-ons/kernel/network/protocols/tcp>:tcp_send_data__FP12net_protocolP10net_buffer + 0x0023
92fc4e14 (+ 112) 802e72d8   </boot/beos/system/add-ons/kernel/network/stack>:socket_send__FP10net_socketP6msghdrPCvUli + 0x0338
92fc4e84 (+  64) 802ec9bc   </boot/beos/system/add-ons/kernel/network/stack>:stack_interface_send__FP10net_socketPCvUli + 0x0038
92fc4ec4 (+  48) 8004c70a   <kernel>:common_send__FiPCvUlib + 0x004a
92fc4ef4 (+  80) 8004de5d   <kernel>:_user_send + 0x0045
92fc4f44 (+ 100) 8009e792   <kernel>:pre_syscall_debug_done + 0x0002 (nearest)
iframe at 0x92fc4fa8 (end = 0x92fc5000)
 eax 0x88           ebx 0x1d32b18       ecx 0x189b64c0   edx 0xbee
 esi 0x2b           edi 0x18023460      ebp 0x700808fc   esp 0x92fc4fdc
 eip 0xffff0102  eflags 0x206
 vector: 0x63, error code: 0x0
92fc4fa8 (+   0) ffff0102
700808fc (+  64) 01640c4e   <libnspr4.so>:_MD_send + 0x00be
7008093c (+  64) 0163b8e6   <libnspr4.so>:PR_GetConnectStatus + 0x04fa (nearest)
7008097c (+  64) 0163b95f   <libnspr4.so>:PR_GetConnectStatus + 0x0573 (nearest)
700809bc (+  48) 01626c0e   <libnspr4.so>:PR_Write + 0x002a
700809ec (+  80) 007f7bd1   <firefox-bin>:Write__20nsSocketOutputStreamPCcUiPUi + 0x0101
70080a3c (+  48) 0080f387   <firefox-bin>:OnReadSegment__16nsHttpConnectionPCcUiPUi + 0x0047
70080a6c (+  48) 0080a681   <firefox-bin>:ReadRequestSegment__17nsHttpTransactionP14nsIInputStreamPvPCcUiUiPUi + 0x0035
70080a9c (+  64) 015ab109   <libxpcom_core.so>:ReadSegCb__22nsMultiplexInputStreamP14nsIInputStreamPvPCcUiUiPUi + 0x0039
70080adc (+  64) 00782b1f   <firefox-bin>:ReadSegCb__17nsMIMEInputStreamP14nsIInputStreamPvPCcUiUiPUi + 0x0037
70080b1c (+  64) 015ab109   <libxpcom_core.so>:ReadSegCb__22nsMultiplexInputStreamP14nsIInputStreamPvPCcUiUiPUi + 0x0039
70080b5c (+  64) 015ab109   <libxpcom_core.so>:ReadSegCb__22nsMultiplexInputStreamP14nsIInputStreamPvPCcUiUiPUi + 0x0039
70080b9c (+  64) 00775b95   <firefox-bin>:ReadSegments__21nsBufferedInputStreamPFP14nsIInputStreamPvPCcUiUiPUi_UiPvUiPUi + 0x005d
70080bdc (+ 128) 015ab040   <libxpcom_core.so>:ReadSegments__22nsMultiplexInputStreamPFP14nsIInputStreamPvPCcUiUiPUi_UiPvUiPUi + 0x00d0
70080c5c (+ 128) 015ab040   <libxpcom_core.so>:ReadSegments__22nsMultiplexInputStreamPFP14nsIInputStreamPvPCcUiUiPUi_UiPvUiPUi + 0x00d0
70080cdc (+  80) 00782adf   <firefox-bin>:ReadSegments__17nsMIMEInputStreamPFP14nsIInputStreamPvPCcUiUiPUi_UiPvUiPUi + 0x005f
70080d2c (+ 128) 015ab040   <libxpcom_core.so>:ReadSegments__22nsMultiplexInputStreamPFP14nsIInputStreamPvPCcUiUiPUi_UiPvUiPUi + 0x00d0
70080dac (+  80) 0080a743   <firefox-bin>:ReadSegments__17nsHttpTransactionP20nsAHttpSegmentReaderUiPUi + 0x00a7
70080dfc (+  64) 0080f48b   <firefox-bin>:OnSocketWritable__16nsHttpConnection + 0x00d7
70080e3c (+  48) 0080fda9   <firefox-bin>:OnOutputStreamReady__16nsHttpConnectionP20nsIAsyncOutputStream + 0x0049
70080e6c (+  64) 007f78f9   <firefox-bin>:OnSocketReady__20nsSocketOutputStreamUi + 0x00d1
70080eac (+  48) 007f9c9e   <firefox-bin>:OnSocketReady__17nsSocketTransportP10PRFileDescs + 0x00a6
70080edc (+ 112) 00793db7   <firefox-bin>:Run__24nsSocketTransportService + 0x0317
70080f4c (+  48) 015d16e8   <libxpcom_core.so>:Main__8nsThreadPv + 0x0044
70080f7c (+  48) 01641d4d   <libnspr4.so>:_bt_mapNativeToNSPRPriority + 0x01e1 (nearest)
70080fac (+  48) 018abcd0   <libroot.so>:_get_next_team_info + 0x005c (nearest)
70080fdc (+   0) 70080fec   1842:moz-thread_187_stack@0x70041000 + 0x3ffec
kdebug> thread 187
THREAD: 0x90da0800
id:                 187 (0xbb)
name:               "moz-thread"
all_next:           0x90e60800
team_next:          0x90dd1000
q_next:             0x90d98000
priority:           10 (next 10)
state:              running
next_state:         ready
cpu:                0x800f2d40 (0)
sig_pending:        0x0 (blocked: 0x0)
in_kernel:          1
  sem.blocking:     110629
  sem.count:        0
  sem.acquire_status: 0x0
  sem.flags:        0x0
condition variables:
fault_handler:      0x8008cbf0
args:               0x01641d18 0x18023460
entry:              0x018abcb0
team:               0x90ebba80, "firefox-bin"
  exit.sem:         6741
  exit.status:      0x0 (No error)
  exit.reason:      0x0
  exit.signal:      0x0
  exit.waiters:
kernel_stack_area:  1841
kernel_stack_base:  0x92fc1000
user_stack_area:    1842
user_stack_base:    0x70041000
user_local_storage: 0x70081000
kernel_errno:       0x0 (No error)
kernel_time:        27566239
user_time:          265938
flags:              0x0
architecture dependant section:
        esp: 0x92fc44e8
        ss: 0x92fc0010
        fpu_state at 0x90da0b60
kdebug>