kern/145826: Unable to configure adhoc mode on ath0/wlan0

Lystopad Olexandr laa at laa.zp.ua
Mon Apr 19 07:40:05 UTC 2010 

>Number:         145826
>Category:       kern
>Synopsis:       Unable to configure adhoc mode on ath0/wlan0
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Apr 19 07:40:01 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator:     Lystopad Olexandr
>Release:        FreeBSD 8.0-STABLE i386
>Organization:
>Environment:
System: FreeBSD 8.0-STABLE #0: Wed Apr 14 07:45:45 MSD 2010 root at serv01:/usr/obj/usr/src/sys/serv01 i386



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FreeBSD 8.0-STABLE #0: Wed Apr 14 07:45:45 MSD 2010
    root at serv01:/usr/obj/usr/src/sys/serv01 i386
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ (2194.76-MHz 686-class CPU)
  Origin = "AuthenticAMD"  Id = 0x40fb2  Family = f  Model = 4b  Stepping = 2
  Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
  Features2=0x2001<SSE3,CX16>
  AMD Features=0xea500800<SYSCALL,NX,MMX+,FFXSR,RDTSCP,LM,3DNow!+,3DNow!>
  AMD Features2=0x1f<LAHF,CMP,SVM,ExtAPIC,CR8>
real memory  = 536870912 (512 MB)
avail memory = 449187840 (428 MB)
ACPI APIC Table: <050407 APIC1334>
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
FreeBSD/SMP: 1 package(s) x 2 core(s)
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  1
ioapic0 <Version 2.1> irqs 0-23 on motherboard
kbd1 at kbdmux0
acpi0: <050407 RSDT1334> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of fee00000, 1000 (3) failed
acpi0: reservation of ffb80000, 80000 (3) failed
acpi0: reservation of fff80000, 80000 (3) failed
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, 1bf00000 (3) failed
ACPI HPET table warning: Sequence is non-zero (2)
Timecounter "ACPI-safe" frequency 3579545 Hz quality 850
acpi_timer0: <32-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
Timecounter "HPET" frequency 14318180 Hz quality 900
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
vgapci0: <VGA-compatible display> port 0xc000-0xc0ff mem 0xf8000000-0xfbffffff,0xfe7f0000-0xfe7fffff,0xfe600000-0xfe6fffff irq 18 at device 5.0 on pci1
pcib2: <ACPI PCI-PCI bridge> at device 7.0 on pci0
pci2: <ACPI PCI bus> on pcib2
re0: <RealTek 8101E/8102E/8102EL/8103E PCIe 10/100baseTX> port 0xd800-0xd8ff mem 0xfe8ff000-0xfe8fffff irq 19 at device 0.0 on pci2
re0: Using 1 MSI messages
re0: Chip rev. 0x34000000
re0: MAC rev. 0x00000000
miibus0: <MII bus> on re0
rlphy0: <RTL8201L 10/100 media interface> PHY 1 on miibus0
rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
re0: Ethernet address: 00:19:db:65:31:df
re0: [FILTER]
atapci0: <ATI IXP600 SATA300 controller> port 0xb000-0xb007,0xa000-0xa003,0x9000-0x9007,0x8000-0x8003,0x7000-0x700f mem 0xfe5ff800-0xfe5ffbff irq 22 at device 1
8.0 on pci0
atapci0: [ITHREAD]
atapci0: AHCI v1.10 controller with 4 3Gbps ports, PM supported
ata2: <ATA channel 0> on atapci0
ata2: port is not ready (timeout 0ms) tfd = 000001d0
ata2: software reset clear timeout
ata2: [ITHREAD]
ata3: <ATA channel 1> on atapci0
ata3: [ITHREAD]
ata4: <ATA channel 2> on atapci0
ata4: [ITHREAD]
ata5: <ATA channel 3> on atapci0
ata5: [ITHREAD]
ohci0: <OHCI (generic) USB controller> mem 0xfe5fe000-0xfe5fefff irq 16 at device 19.0 on pci0
ohci0: [ITHREAD]
usbus0: <OHCI (generic) USB controller> on ohci0
ohci1: <OHCI (generic) USB controller> mem 0xfe5fd000-0xfe5fdfff irq 17 at device 19.1 on pci0
ohci1: [ITHREAD]
usbus1: <OHCI (generic) USB controller> on ohci1
ohci2: <OHCI (generic) USB controller> mem 0xfe5fc000-0xfe5fcfff irq 18 at device 19.2 on pci0
ohci2: [ITHREAD]
usbus2: <OHCI (generic) USB controller> on ohci2
ohci3: <OHCI (generic) USB controller> mem 0xfe5fb000-0xfe5fbfff irq 17 at device 19.3 on pci0
ohci3: [ITHREAD]
usbus3: <OHCI (generic) USB controller> on ohci3
ohci4: <OHCI (generic) USB controller> mem 0xfe5fa000-0xfe5fafff irq 18 at device 19.4 on pci0
ohci4: [ITHREAD]
usbus4: <OHCI (generic) USB controller> on ohci4
ehci0: <EHCI (generic) USB 2.0 controller> mem 0xfe5ff000-0xfe5ff0ff irq 19 at device 19.5 on pci0
ehci0: [ITHREAD]
ehci0: AMD SB600/700 quirk applied
usbus5: EHCI version 1.0
usbus5: <EHCI (generic) USB 2.0 controller> on ehci0
pci0: <serial bus, SMBus> at device 20.0 (no driver attached)
atapci1: <ATI IXP600 UDMA133 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xff00-0xff0f at device 20.1 on pci0
ata0: <ATA channel 0> on atapci1
ata0: [ITHREAD]
pci0: <multimedia, HDA> at device 20.2 (no driver attached)
isab0: <PCI-ISA bridge> at device 20.3 on pci0
isa0: <ISA bus> on isab0
pcib3: <ACPI PCI-PCI bridge> at device 20.4 on pci0
pci3: <ACPI PCI bus> on pcib3
fxp0: <Intel 82558 Pro/100 Ethernet> port 0xe800-0xe81f mem 0xfdfff000-0xfdffffff,0xfeb00000-0xfebfffff irq 22 at device 2.0 on pci3
fxp0: Enabling Rx lock-up workaround
miibus1: <MII bus> on fxp0
inphy0: <i82555 10/100 media interface> PHY 1 on miibus1
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp0: Ethernet address: 00:08:c7:c9:55:38
fxp0: [ITHREAD]
ath0: <Atheros 5212> mem 0xfe9f0000-0xfe9fffff irq 21 at device 3.0 on pci3
ath0: [ITHREAD]
ath0: AR5212 mac 5.9 RF5112 phy 4.3
acpi_button0: <Power Button> on acpi0
atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbd0: [ITHREAD]
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xcd800-0xce7ff,0xce800-0xcefff pnpid ORM0000 on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
acpi_throttle0: <ACPI CPU Throttling> on cpu0
acpi_throttle0: CLK_VAL field overlaps THT_EN bit
device_attach: acpi_throttle0 attach returned 6
powernow0: <PowerNow! K8> on cpu0
device_attach: powernow0 attach returned 6
powernow1: <PowerNow! K8> on cpu1
device_attach: powernow1 attach returned 6
Timecounters tick every 1.000 msec
ipfw2 initialized, divert loadable, nat enabled, rule-based forwarding enabled, default to accept, logging disabled
load_dn_sched dn_sched FIFO loaded
load_dn_sched dn_sched PRIO loaded
load_dn_sched dn_sched QFQ loaded
load_dn_sched dn_sched RR loaded
load_dn_sched dn_sched WF2Q+ loaded
usbus0: 12Mbps Full Speed USB v1.0
usbus1: 12Mbps Full Speed USB v1.0
usbus2: 12Mbps Full Speed USB v1.0
usbus3: 12Mbps Full Speed USB v1.0
usbus4: 12Mbps Full Speed USB v1.0
usbus5: 480Mbps High Speed USB v2.0
ugen0.1: <ATI> at usbus0
uhub0: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
ugen1.1: <ATI> at usbus1
uhub1: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
ugen2.1: <ATI> at usbus2
uhub2: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2
ugen3.1: <ATI> at usbus3
uhub3: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus3
ugen4.1: <ATI> at usbus4
uhub4: <ATI OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus4
ugen5.1: <ATI> at usbus5
uhub5: <ATI EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus5
acd0: CDRW <TOSHIBA ODD-DVD SD-R1512/1010> at ata0-slave UDMA33
ad4: 76318MB <Seagate ST380215AS 3.AAC> at ata2-master UDMA100 SATA 1.5Gb/s
SMP: AP CPU #1 Launched!
uhub0: 2 ports with 2 removable, self powered
uhub1: 2 ports with 2 removable, self powered
uhub2: 2 ports with 2 removable, self powered
uhub3: 2 ports with 2 removable, self powered
uhub4: 2 ports with 2 removable, self powered
Root mount waiting for: usbus5
Root mount waiting for: usbus5
uhub5: 10 ports with 10 removable, self powered
Trying to mount root from ufs:/dev/ad4s1a
WARNING: / was not properly dismounted
wlan0: Ethernet address: 00:40:96:a9:97:8f

My wireless card is:
ath0 at pci0:3:3:0:        class=0x020000 card=0xcc2114b9 chip=0x0013168c rev=0x01 hdr=0x00
    vendor     = 'Atheros Communications Inc.'
    device     = '802.11a/b/g Wireless Adapter (AR5212)'
    class      = network
    subclass   = ethernet
    cap 01[44] = powerspec 2  supports D0 D3  current D0


>Description:

when I do:
# ifconfig wlan0 create wlandev ath0 wlanmode adhoc

server reboot with kernel panic:

Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address   = 0xffff
fault code              = supervisor read, page not present
instruction pointer     = 0x20:0xc0791612
stack pointer           = 0x28:0xd2f42ba4
frame pointer           = 0x28:0xd2f42bac
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 0 (ath0 taskq)
trap number             = 12
panic: page fault
cpuid = 1
Uptime: 3m35s
Physical memory: 439 MB
Dumping 80 MB: 65 49 33panic: bufwrite: buffer is not busy???
cpuid = 1
 17 1

#0  doadump () at pcpu.h:246
246     pcpu.h: No such file or directory.
        in pcpu.h
(kgdb) #0  doadump () at pcpu.h:246
#1  0xc06b3497 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:416
#2  0xc06b3789 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:579
#3  0xc08b63bc in trap_fatal (frame=0xd2f42b64, eva=65535)
    at /usr/src/sys/i386/i386/trap.c:938
#4  0xc08b6620 in trap_pfault (frame=0xd2f42b64, usermode=0, eva=65535)
    at /usr/src/sys/i386/i386/trap.c:851
#5  0xc08b6f39 in trap (frame=0xd2f42b64) at /usr/src/sys/i386/i386/trap.c:533
#6  0xc0899b3b in calltrap () at /usr/src/sys/i386/i386/exception.s:165
#7  0xc0791612 in ieee80211_getcapinfo (vap=0xc2d5f000, chan=0xffff)
    at /usr/src/sys/net80211/ieee80211_output.c:1836
#8  0xc0793d17 in ieee80211_beacon_construct (m=0xc2edca00,
    frm=0xc2f0516e "", bo=0xc2d5f884, ni=0xc2ceb000)
    at /usr/src/sys/net80211/ieee80211_output.c:2559
#9  0xc07946db in ieee80211_beacon_alloc (ni=0xc2ceb000, bo=0xc2d5f884)
    at /usr/src/sys/net80211/ieee80211_output.c:2756
#10 0xc050eaea in ath_newstate (vap=0xc2d5f000, nstate=IEEE80211_S_RUN,
    arg=-1) at /usr/src/sys/dev/ath/if_ath.c:2641
#11 0xc0798db1 in ieee80211_newstate_cb (xvap=0xc2d5f000, npending=3)
    at /usr/src/sys/net80211/ieee80211_proto.c:1654
#12 0xc06ebf92 in taskqueue_run (queue=0xc2a84c80)
    at /usr/src/sys/kern/subr_taskqueue.c:239
#13 0xc06ec19d in taskqueue_thread_loop (arg=0xc2ada074)
    at /usr/src/sys/kern/subr_taskqueue.c:360
#14 0xc068a331 in fork_exit (callout=0xc06ec0e0 <taskqueue_thread_loop>,
    arg=0xc2ada074, frame=0xd2f42d38) at /usr/src/sys/kern/kern_fork.c:843
#15 0xc0899bb0 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:270
(kgdb)


>How-To-Repeat:

	ifconfig wlan0 create wlandev ath0 wlanmode adhoc

>Fix:
	Don't know.


>Release-Note:
>Audit-Trail:
>Unformatted:

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