Hi all.

I recently acquired another device. Upon creating simple access point my machine starts to dump core:


KDB: stack backtrace:
#0 0x83586132 at kdb_backtrace+0x52
#1 0x835551fc at panic+0x1bc
#2 0x89ba96a2 at ieee80211_pwrsave+0x252
#3 0x89ba44fe at ieee80211_start+0x40e
#4 0x8360a019 at if_transmit+0x129
#5 0x8360bb47 at ether_output+0x5e7
#6 0x836314e0 at ip_output+0xd70
#7 0x8362e807 at ip_forward+0x3b7
#8 0x8362e107 at ip_input+0x5d7
#9 0x83610fd7 at netisr_dispatch_src+0xa7
#10 0x83611370 at netisr_dispatch+0x20
#11 0x8360c373 at ether_demux+0x133
#12 0x8360c1e9 at ether_nh_input+0x329
#13 0x83610fd7 at netisr_dispatch_src+0xa7
#14 0x83611370 at netisr_dispatch+0x20
#15 0x8360c5d1 at ether_input+0x21
#16 0x896e6335 at ste_rxeof+0xe5
#17 0x896e706e at ste_intr+0xae
Uptime: 54m35s
Physical memory: 1011 MB

#0  doadump (textdump=-202975232) at pcpu.h:249
249     pcpu.h: No such file or directory.
        in pcpu.h
(kgdb) #0  doadump (textdump=-202975232) at pcpu.h:249
#1  0x83554dd1 in kern_reboot (howto=Variable "howto" is not available.
)
    at /usr/src/sys/kern/kern_shutdown.c:448
#2  0x83555248 in panic (fmt=Unhandled dwarf expression opcode 0xfb
) at /usr/src/sys/kern/kern_shutdown.c:636
#3  0x89ba96a2 in ieee80211_pwrsave (ni=Cannot access memory at address 0x1
)
    at /usr/src/sys/modules/wlan/../../net80211/ieee80211_power.c:387
#4  0x89ba44fe in ieee80211_start (ifp=Variable "ifp" is not available.
)
    at /usr/src/sys/modules/wlan/../../net80211/ieee80211_output.c:284
#5  0x8360a019 in if_transmit (ifp=Variable "ifp" is not available.
) at /usr/src/sys/net/if.c:3354
#6  0x8360bb47 in ether_output (ifp=
Abort trap (core dumped)

Relevant output from messages:

ugen0.2: <Ralink> at usbus0

rum0: <Ralink 54M.USB......., class 0/0, rev 2.00/0.01, addr 2> on usbus0
rum0: MAC/BBP RT2573 (rev 0x2573a), RF RT2528

ieee80211_load_module: load the wlan_amrr module by hand for now.
wlan0: Ethernet address: 00:e0:4c:54:2b:5c
rum0: need to implement rum_update_mcast
Starting Network: rum0.
rum0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 2290
        ether 00:e0:4c:54:2b:5c
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        media: IEEE 802.11 Wireless Ethernet autoselect mode 11g <hostap>
        status: running

lock order reversal:
1st 0x89c4e6c0 rum0_node_lock (rum0_node_lock) @ /usr/src/sys/modules/wlan/../../net80211/ieee80211_node.c:1940 2nd 0x89c4d014 rum0_com_lock (rum0_com_lock) @ /usr/src/sys/modules/wlan/../../net80211/ieee80211_power.c:295
KDB: stack backtrace:
#0 0x83586132 at kdb_backtrace+0x52
#1 0x8359a34e at witness_checkorder+0xc1e
#2 0x835411da at _mtx_lock_flags+0x7a
#3 0x89ba8f06 at ieee80211_set_tim+0x76
#4 0x89ba0061 at node_age+0x61
#5 0x89b9faf0 at ieee80211_node_timeout+0x1b0
#6 0x8356955e at softclock+0x25e
#7 0x83528655 at intr_event_execute_handlers+0xc5
#8 0x83528a32 at ithread_loop+0xe2
#9 0x83525f4c at fork_exit+0x7c
#10 0x83783634 at fork_trampoline+0x8

rum0: device timeout
rum0: device timeout
rum0: at uhub0, port 1, addr 2 (disconnected)

rum0: could not multi read MAC register: USB_ERR_TIMEOUT
Dec 8 23:03:53 limbo dhcpd: receive_packet failed on wlan0: Device not configured

rum0: could not multi read MAC register: USB_ERR_TIMEOUT

lock order reversal:
1st 0x87da6e28 if_addr_mtx (if_addr_mtx) @ /usr/src/sys/netinet/igmp.c:1710
 2nd 0x83a25318 ifnet_rw (ifnet_rw) @ /usr/src/sys/net/if.c:238
KDB: stack backtrace:
#0 0x83586132 at kdb_backtrace+0x52
#1 0x8359a34e at witness_checkorder+0xc1e
#2 0x83553415 at _rw_rlock+0x75
#3 0x83603e53 at ifnet_byindex+0x23
#4 0x8361b5fe at igmp_intr+0x1e
#5 0x83610fd7 at netisr_dispatch_src+0xa7
#6 0x83611370 at netisr_dispatch+0x20
#7 0x8361e4f0 at igmp_v1v2_queue_report+0x190
#8 0x8361d6a9 at igmp_fasttimo+0x549
#9 0x835b4840 at pffasttimo+0x30
#10 0x8356955e at softclock+0x25e
#11 0x83528655 at intr_event_execute_handlers+0xc5
#12 0x83528a32 at ithread_loop+0xe2
#13 0x83525f4c at fork_exit+0x7c
#14 0x83783634 at fork_trampoline+0x8
lock order reversal:
1st 0x87da6e28 if_addr_mtx (if_addr_mtx) @ /usr/src/sys/netinet/igmp.c:1710 2nd 0x83a257dc PFil hook read/write mutex (PFil hook read/write mutex) @ /usr/src/sys/net/pfil.c:77
KDB: stack backtrace:
#0 0x83586132 at kdb_backtrace+0x52
#1 0x8359a34e at witness_checkorder+0xc1e
#2 0x83552885 at _rm_rlock_debug+0x85
#3 0x836120ba at pfil_run_hooks+0x4a
#4 0x83630fc1 at ip_output+0x851
#5 0x8361b8b8 at igmp_intr+0x2d8
#6 0x83610fd7 at netisr_dispatch_src+0xa7
#7 0x83611370 at netisr_dispatch+0x20
#8 0x8361e4f0 at igmp_v1v2_queue_report+0x190
#9 0x8361d6a9 at igmp_fasttimo+0x549
#10 0x835b4840 at pffasttimo+0x30
#11 0x8356955e at softclock+0x25e
#12 0x83528655 at intr_event_execute_handlers+0xc5
#13 0x83528a32 at ithread_loop+0xe2
#14 0x83525f4c at fork_exit+0x7c
#15 0x83783634 at fork_trampoline+0x8
lock order reversal:
1st 0x87da6e28 if_addr_mtx (if_addr_mtx) @ /usr/src/sys/netinet/igmp.c:1710 2nd 0x8965f2e8 ste0 (network driver) @ /usr/src/sys/modules/ste/../../dev/ste/if_ste.c:1881
KDB: stack backtrace:
#0 0x83586132 at kdb_backtrace+0x52
#1 0x8359a34e at witness_checkorder+0xc1e
#2 0x835411da at _mtx_lock_flags+0x7a
#3 0x896e6f23 at ste_start+0x33
#4 0x8360a019 at if_transmit+0x129
#5 0x8360bb47 at ether_output+0x5e7
#6 0x836314e0 at ip_output+0xd70
#7 0x8361b8b8 at igmp_intr+0x2d8
#8 0x83610fd7 at netisr_dispatch_src+0xa7
#9 0x83611370 at netisr_dispatch+0x20
#10 0x8361e4f0 at igmp_v1v2_queue_report+0x190
#11 0x8361d6a9 at igmp_fasttimo+0x549
#12 0x835b4840 at pffasttimo+0x30
#13 0x8356955e at softclock+0x25e
#14 0x83528655 at intr_event_execute_handlers+0xc5
#15 0x83528a32 at ithread_loop+0xe2
#16 0x83525f4c at fork_exit+0x7c
#17 0x83783634 at fork_trampoline+0x8

rum0: could not multi write MAC register: USB_ERR_TIMEOUT

rum0: <Ralink 54M.USB......., class 0/0, rev 2.00/0.01, addr 2> on usbus0
rum0: MAC/BBP RT2573 (rev 0x2573a), RF RT2528
ieee80211_load_module: load the wlan_amrr module by hand for now.
wlan0: Ethernet address: 00:e0:4c:54:2b:5c

lock order reversal:
1st 0x887d1778 rum0_scan_lock (rum0_scan_lock) @ /usr/src/sys/modules/wlan/../../net80211/ieee80211_node.c:1937 2nd 0x887d0014 rum0_com_lock (rum0_com_lock) @ /usr/src/sys/modules/wlan/../../net80211/ieee80211_node.c:2510
KDB: stack backtrace:
#0 0x83586132 at kdb_backtrace+0x52
#1 0x8359a34e at witness_checkorder+0xc1e
#2 0x835411da at _mtx_lock_flags+0x7a
#3 0x89ba1cd8 at ieee80211_node_leave+0x98
#4 0x89b9f9b8 at ieee80211_node_timeout+0x78
#5 0x8356955e at softclock+0x25e
#6 0x83528655 at intr_event_execute_handlers+0xc5
#7 0x83528a32 at ithread_loop+0xe2
#8 0x83525f4c at fork_exit+0x7c
#9 0x83783634 at fork_trampoline+0x8

panic: age -1
cpuid = 0
KDB: stack backtrace:
#0 0x83586132 at kdb_backtrace+0x52
#1 0x835551fc at panic+0x1bc
#2 0x89ba96a2 at ieee80211_pwrsave+0x252
#3 0x89ba44fe at ieee80211_start+0x40e
#4 0x8360a019 at if_transmit+0x129
#5 0x8360bb47 at ether_output+0x5e7
#6 0x836314e0 at ip_output+0xd70
#7 0x8362e807 at ip_forward+0x3b7
#8 0x8362e107 at ip_input+0x5d7
#9 0x83610fd7 at netisr_dispatch_src+0xa7
#10 0x83611370 at netisr_dispatch+0x20
#11 0x8360c373 at ether_demux+0x133
#12 0x8360c1e9 at ether_nh_input+0x329
#13 0x83610fd7 at netisr_dispatch_src+0xa7
#14 0x83611370 at netisr_dispatch+0x20
#15 0x8360c5d1 at ether_input+0x21
#16 0x896e6335 at ste_rxeof+0xe5
#17 0x896e706e at ste_intr+0xae

> uname -a
FreeBSD limbo.xim.bz 9.1-PRERELEASE FreeBSD 9.1-PRERELEASE #1 r243673M: Fri Dec 7 21:57:21 EET 2012 arc...@limbo.xim.bz:/usr/obj/usr/src/sys/MINIMALx32 i386

Kernel source has tmpfs-nrbtree.1.patch, world is built with clang.

--
Sphinx of black quartz judge my vow.
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