Date: Fri, 9 Jun 2006 14:22:24 -0500 From: Paul Dokas <dokas@oitsec.umn.edu> To: Sam Leffler <sam@errno.com> Cc: freebsd-mobile@freebsd.org Subject: ath and problems with wlan scanning Message-ID: <20060609142224.4b79ca93.dokas@oitsec.umn.edu> In-Reply-To: <4489B6BF.1090301@errno.com> References: <200606091328.k59DSThD012167@nic-naa.net> <4489836D.6020302@centtech.com> <20060609101508.40307089.dokas@oitsec.umn.edu> <4489B6BF.1090301@errno.com>
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[-- Attachment #1 --]
On Fri, 09 Jun 2006 10:58:23 -0700 Sam Leffler <sam@errno.com> wrote:
> This is an issue with iwi not ath. iwi does scanning in firmware so it
> is totally different. If you have a scanning issue please post your
> problem under a different subject.
Sure thing. Here's a quick summary of the problem that I'm seeing.
+ I've got one of these atheros based A/B/G cards:
http://www.netgate.com/product_info.php?products_id=130
It works great in a co-workers laptop running 6.1
+ Setting up ath0 to config via DHCP results in ath0 never getting an
IP address. Furthermore, while scanning, it appears to associate
for only a brief moment and then moves on to other channels.
+ Manually doing `ifconfig ath0 up` results in it associating just fine.
I've tried booting with ACPI disabled and obtained the same results.
The attached files are the output from dmesg and annotated snippets from the console
logs after turning on wlan debugging with this: `sysctl net.wlan.0.debug=0x00200000`
I've marked the places in the logs where I typed various commands.
I'd be happy to gather more data if that would help.
Paul
--
Paul Dokas dokas at oitsec.umn.edu
======================================================================
Don Juan Matus: "an enigma wrapped in mystery wrapped in a tortilla."
[-- Attachment #2 --]
Copyright (c) 1992-2006 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 6.1-RELEASE-p1 #2: Mon Jun 5 21:24:29 CDT 2006
root@my_host.place.umn.edu:/usr/obj/usr/src/sys/MY_HOST-SMP
ACPI APIC Table: <DELL M07 >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Genuine Intel(R) CPU T2500 @ 2.00GHz (1995.01-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0x6e8 Stepping = 8
Features=0xbfe9fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=0xc1a9<SSE3,MON,VMX,EST,TM2,<b14>,<b15>>
AMD Features=0x100000<NX>
Cores per package: 2
real memory = 2145980416 (2046 MB)
avail memory = 2090700800 (1993 MB)
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
ioapic0: Changing APIC ID to 2
ioapic0 <Version 2.0> irqs 0-23 on motherboard
kbd1 at kbdmux0
ath_hal: 0.9.16.16 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
acpi0: <DELL M07 > on motherboard
Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_throttle0: <ACPI CPU Throttling> on cpu0
cpu1: <ACPI CPU> on acpi0
acpi_throttle1: <ACPI CPU Throttling> on cpu1
acpi_throttle1: failed to attach P_CNT
device_attach: acpi_throttle1 attach returned 6
acpi_acad0: <AC Adapter> on acpi0
battery0: <ACPI Control Method Battery> on acpi0
battery1: <ACPI Control Method Battery> on acpi0
acpi_lid0: <Control Method Lid Switch> on acpi0
acpi_button0: <Power Button> on acpi0
acpi_button1: <Sleep Button> on acpi0
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
nvidia0: <GeForce Go 7400> mem 0xdd000000-0xddffffff,0xc0000000-0xcfffffff,0xde000000-0xdeffffff irq 16 at device 0.0 on pci1
nvidia0: [GIANT-LOCKED]
pci0: <multimedia> at device 27.0 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> at device 28.0 on pci0
pci11: <ACPI PCI bus> on pcib2
pcib3: <ACPI PCI-PCI bridge> at device 28.1 on pci0
pci12: <ACPI PCI bus> on pcib3
pci12: <network> at device 0.0 (no driver attached)
pcib4: <ACPI PCI-PCI bridge> at device 28.2 on pci0
pci9: <ACPI PCI bus> on pcib4
bge0: <Broadcom BCM5752 Gigabit Ethernet, ASIC rev. 0x6002> mem 0xdcef0000-0xdcefffff irq 18 at device 0.0 on pci9
bge0: firmware handshake timed out
miibus0: <MII bus> on bge0
ukphy0: <Generic IEEE 802.3u media interface> on miibus0
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-FDX, auto
bge0: Ethernet address: 00:15:c5:09:e1:e1
pcib5: <ACPI PCI-PCI bridge> at device 28.3 on pci0
pci13: <ACPI PCI bus> on pcib5
uhci0: <UHCI (generic) USB controller> port 0xbf80-0xbf9f irq 20 at device 29.0 on pci0
uhci0: [GIANT-LOCKED]
usb0: <UHCI (generic) USB controller> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1: <UHCI (generic) USB controller> port 0xbf60-0xbf7f irq 21 at device 29.1 on pci0
uhci1: [GIANT-LOCKED]
usb1: <UHCI (generic) USB controller> on uhci1
usb1: USB revision 1.0
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
uhci2: <UHCI (generic) USB controller> port 0xbf40-0xbf5f irq 22 at device 29.2 on pci0
uhci2: [GIANT-LOCKED]
usb2: <UHCI (generic) USB controller> on uhci2
usb2: USB revision 1.0
uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 2 ports with 2 removable, self powered
uhci3: <UHCI (generic) USB controller> port 0xbf20-0xbf3f irq 23 at device 29.3 on pci0
uhci3: [GIANT-LOCKED]
usb3: <UHCI (generic) USB controller> on uhci3
usb3: USB revision 1.0
uhub3: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub3: 2 ports with 2 removable, self powered
ehci0: <Intel 82801GB/R (ICH7) USB 2.0 controller> mem 0xffa80000-0xffa803ff irq 20 at device 29.7 on pci0
ehci0: [GIANT-LOCKED]
usb4: EHCI version 1.0
usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3
usb4: <Intel 82801GB/R (ICH7) USB 2.0 controller> on ehci0
usb4: USB revision 2.0
uhub4: Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub4: 8 ports with 8 removable, self powered
uhub5: vendor 0x413c product 0xa005, class 9/0, rev 2.00/50.18, addr 2
uhub5: multiple transaction translators
uhub5: 4 ports with 1 removable, self powered
ubt0: vendor 0x413c product 0x8103, rev 2.00/24.22, addr 3
ubt0: vendor 0x413c product 0x8103, rev 2.00/24.22, addr 3
ubt0: Interface 0 endpoints: interrupt=0x81, bulk-in=0x82, bulk-out=0x2
ubt0: Interface 1 (alt.config 5) endpoints: isoc-in=0x83, isoc-out=0x3; wMaxPacketSize=49; nframes=6, buffer size=294
pcib6: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci3: <ACPI PCI bus> on pcib6
cbb0: <PCI-CardBus Bridge> at device 1.0 on pci3
cardbus0: <CardBus bus> on cbb0
pccard0: <16-bit PCCard bus> on cbb0
fwohci0: <1394 Open Host Controller Interface> mem 0xdcbff000-0xdcbfffff,0xdcbfe800-0xdcbfefff irq 19 at device 1.4 on pci3
fwohci0: OHCI version 1.10 (ROM=0)
fwohci0: No. of Isochronous channels is 8.
fwohci0: EUI64 33:4f:c0:00:1e:d5:09:41
fwohci0: Phy 1394a available S400, 2 ports.
fwohci0: Link S400, max_rec 2048 bytes.
firewire0: <IEEE1394(FireWire) bus> on fwohci0
fwe0: <Ethernet over FireWire> on firewire0
if_fwe0: Fake Ethernet address: 32:4f:c0:d5:09:41
fwe0: Ethernet address: 32:4f:c0:d5:09:41
fwe0: if_start running deferred for Giant
sbp0: <SBP-2/SCSI over FireWire> on firewire0
fwohci0: Initiate bus reset
fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
firewire0: bus manager 0 (me)
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <GENERIC ATA controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xbfa0-0xbfaf irq 17 at device 31.2 on pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
acpi_tz0: <Thermal Zone> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64,0x62,0x66 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model GlidePoint, device ID 0
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
sio0: type 16550A
pmtimer0 on isa0
orm0: <ISA Option ROM> at iomem 0xc0000-0xcffff on isa0
ppc0: parallel port not found.
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
uhub6: vendor 0x0b97 product 0x7761, class 9/0, rev 1.10/1.10, addr 2
uhub6: 3 ports with 2 removable, bus powered
ugen0: STMicroelectronics Biometric Coprocessor, rev 1.00/0.01, addr 3
ugen1: O2 O2Micro CCID SC Reader, rev 1.10/1.10, addr 4
ums0: Dell Dell USB Mouse, rev 1.10/29.10, addr 2, iclass 3/1
ums0: 3 buttons and Z dir.
Timecounters tick every 1.000 msec
ad0: 76319MB <Seagate ST980825AS 8.02> at ata0-master UDMA33
acd0: DVDR <NEC DVD+/-RW ND-6650A/102C> at ata1-master UDMA33
SMP: AP CPU #1 Launched!
Trying to mount root from ufs:/dev/ad0s2a
GEOM_ELI: Device ad0s2f.eli created.
GEOM_ELI: Cipher: AES
GEOM_ELI: Key length: 128
GEOM_ELI: Crypto: software
GEOM_ELI: Device ad0s2b.eli created.
GEOM_ELI: Cipher: AES
GEOM_ELI: Key length: 256
GEOM_ELI: Crypto: software
bge0: firmware handshake timed out
ath0: <Atheros 5212> mem 0xdcb10000-0xdcb1ffff irq 19 at device 0.0 on cardbus0
ath0: Ethernet address: 00:0b:6b:20:3a:44
ath0: mac 5.9 phy 4.3 radio 3.6
[-- Attachment #3 --]
ifconfig ath0
Jun 6 23:31:32 my_host kernel: ath0: begin active scan in 11g mode, scangen 190
Jun 6 23:31:32 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 6
Jun 6 23:31:32 my_host kernel: ath0: ieee80211_next_scan: chan 6->7
Jun 6 23:31:32 my_host kernel: ath0: ieee80211_next_scan: chan 7->8
Jun 6 23:31:32 my_host kernel: ath0: ieee80211_next_scan: chan 8->9
Jun 6 23:31:33 my_host kernel: ath0: ieee80211_next_scan: chan 9->10
Jun 6 23:31:33 my_host kernel: ath0: ieee80211_next_scan: chan 10->11
Jun 6 23:31:33 my_host kernel: ath0: ieee80211_next_scan: chan 11->36
Jun 6 23:31:33 my_host kernel: ath0: ieee80211_next_scan: chan 36->40
Jun 6 23:31:33 my_host kernel: ath0: ieee80211_next_scan: chan 40->44
Jun 6 23:31:34 my_host kernel: ath0: ieee80211_next_scan: chan 44->48
Jun 6 23:31:34 my_host kernel: ath0: ieee80211_next_scan: chan 48->52
Jun 6 23:31:34 my_host kernel: ath0: ieee80211_next_scan: chan 52->56
Jun 6 23:31:34 my_host kernel: ath0: ieee80211_next_scan: chan 56->60
Jun 6 23:31:34 my_host kernel: ath0: ieee80211_next_scan: chan 60->64
Jun 6 23:31:35 my_host kernel: ath0: ieee80211_next_scan: chan 64->149
Jun 6 23:31:35 my_host kernel: ath0: ieee80211_next_scan: chan 149->153
Jun 6 23:31:35 my_host kernel: ath0: ieee80211_next_scan: chan 153->157
Jun 6 23:31:35 my_host kernel: ath0: ieee80211_next_scan: chan 157->161
Jun 6 23:31:35 my_host kernel: ath0: ieee80211_next_scan: chan 161->165
Jun 6 23:31:36 my_host kernel: ath0: ieee80211_next_scan: chan 165->1
Jun 6 23:31:36 my_host kernel: ath0: ieee80211_next_scan: chan 1->2
Jun 6 23:31:36 my_host kernel: ath0: ieee80211_next_scan: chan 2->3
Jun 6 23:31:36 my_host kernel: ath0: ieee80211_next_scan: chan 3->4
Jun 6 23:31:36 my_host kernel: ath0: ieee80211_next_scan: chan 4->5
Jun 6 23:31:37 my_host kernel: ath0: ieee80211_next_scan: chan 5->6
Jun 6 23:31:37 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:31:37 my_host kernel: ath0: ath0: notify scan done
Jun 6 23:31:37 my_host kernel: ath0: macaddr bssid chan rssi rate flag wep essid
Jun 6 23:31:37 my_host kernel: ath0: link state changed to UP
ifconfig ath0 down
dhclient ath0
Jun 6 23:31:52 my_host kernel: ath0: link state changed to DOWN
Jun 6 23:32:02 my_host kernel: ath0: begin active scan in 11g mode, scangen 191
Jun 6 23:32:02 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 6
Jun 6 23:32:02 my_host kernel: ath0: ieee80211_next_scan: chan 6->7
Jun 6 23:32:02 my_host kernel: ath0: ieee80211_next_scan: chan 7->8
Jun 6 23:32:02 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:02 my_host kernel: ath0: begin active scan in 11g mode, scangen 192
Jun 6 23:32:02 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 8
Jun 6 23:32:02 my_host kernel: ath0: ieee80211_next_scan: chan 8->9
Jun 6 23:32:02 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:02 my_host kernel: ath0: begin active scan in 11g mode, scangen 193
Jun 6 23:32:02 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 9
Jun 6 23:32:02 my_host kernel: ath0: ieee80211_next_scan: chan 9->10
Jun 6 23:32:02 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:02 my_host kernel: ath0: begin active scan in 11g mode, scangen 194
Jun 6 23:32:02 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 10
Jun 6 23:32:02 my_host kernel: ath0: ieee80211_next_scan: chan 10->11
Jun 6 23:32:02 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:02 my_host kernel: ath0: begin active scan in 11g mode, scangen 195
Jun 6 23:32:02 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 11
Jun 6 23:32:02 my_host kernel: ath0: ieee80211_next_scan: chan 11->36
Jun 6 23:32:02 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:02 my_host kernel: ath0: begin active scan in 11g mode, scangen 196
Jun 6 23:32:02 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 36
Jun 6 23:32:02 my_host kernel: ath0: ieee80211_next_scan: chan 36->40
Jun 6 23:32:02 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:02 my_host kernel: ath0: begin active scan in 11g mode, scangen 197
Jun 6 23:32:02 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 40
I stopped dhclient at this point
Jun 6 23:32:02 my_host kernel: ath0: ieee80211_next_scan: chan 40->44
Jun 6 23:32:03 my_host kernel: ath0: ieee80211_next_scan: chan 44->48
Jun 6 23:32:03 my_host kernel: ath0: ieee80211_next_scan: chan 48->52
Jun 6 23:32:03 my_host kernel: ath0: ieee80211_next_scan: chan 52->56
Jun 6 23:32:03 my_host kernel: ath0: ieee80211_next_scan: chan 56->60
Jun 6 23:32:04 my_host kernel: ath0: ieee80211_next_scan: chan 60->64
Jun 6 23:32:04 my_host kernel: ath0: ieee80211_next_scan: chan 64->149
Jun 6 23:32:04 my_host kernel: ath0: ieee80211_next_scan: chan 149->153
Jun 6 23:32:04 my_host kernel: ath0: ieee80211_next_scan: chan 153->157
Jun 6 23:32:04 my_host kernel: ath0: ieee80211_next_scan: chan 157->161
Jun 6 23:32:05 my_host kernel: ath0: ieee80211_next_scan: chan 161->165
Jun 6 23:32:05 my_host kernel: ath0: ieee80211_next_scan: chan 165->1
Jun 6 23:32:05 my_host kernel: ath0: ieee80211_next_scan: chan 1->2
Jun 6 23:32:05 my_host kernel: ath0: ieee80211_next_scan: chan 2->3
Jun 6 23:32:05 my_host kernel: ath0: ieee80211_next_scan: chan 3->4
Jun 6 23:32:06 my_host kernel: ath0: ieee80211_next_scan: chan 4->5
Jun 6 23:32:06 my_host kernel: ath0: ieee80211_next_scan: chan 5->6
Jun 6 23:32:06 my_host kernel: ath0: ieee80211_next_scan: chan 6->7
Jun 6 23:32:06 my_host kernel: ath0: ieee80211_next_scan: chan 7->8
Jun 6 23:32:06 my_host kernel: ath0: ieee80211_next_scan: chan 8->9
Jun 6 23:32:07 my_host kernel: ath0: ieee80211_next_scan: chan 9->10
Jun 6 23:32:07 my_host kernel: ath0: ieee80211_next_scan: chan 10->11
Jun 6 23:32:07 my_host kernel: ath0: ieee80211_next_scan: chan 11->36
Jun 6 23:32:07 my_host kernel: ath0: ieee80211_next_scan: chan 36->40
Jun 6 23:32:07 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:07 my_host kernel: ath0: ath0: notify scan done
Jun 6 23:32:07 my_host kernel: ath0: macaddr bssid chan rssi rate flag wep essid
Jun 6 23:32:07 my_host kernel: ath0: link state changed to UP
ifconfig ath0 down
dhclient ath0
Jun 6 23:32:07 my_host kernel: ath0: link state changed to DOWN
Jun 6 23:32:07 my_host kernel: ath0: begin active scan in 11g mode, scangen 198
Jun 6 23:32:07 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 6
Jun 6 23:32:07 my_host kernel: ath0: ieee80211_next_scan: chan 6->7
Jun 6 23:32:07 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:08 my_host kernel: ath0: begin active scan in 11g mode, scangen 199
Jun 6 23:32:08 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 7
Jun 6 23:32:08 my_host kernel: ath0: ieee80211_next_scan: chan 7->8
Jun 6 23:32:08 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:08 my_host kernel: ath0: begin active scan in 11g mode, scangen 200
Jun 6 23:32:08 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 8
Jun 6 23:32:08 my_host kernel: ath0: ieee80211_next_scan: chan 8->9
Jun 6 23:32:08 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:08 my_host kernel: ath0: begin active scan in 11g mode, scangen 201
Jun 6 23:32:08 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 9
Jun 6 23:32:08 my_host kernel: ath0: ieee80211_next_scan: chan 9->10
Jun 6 23:32:08 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:08 my_host kernel: ath0: begin active scan in 11g mode, scangen 202
Jun 6 23:32:08 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 10
Jun 6 23:32:08 my_host kernel: ath0: ieee80211_next_scan: chan 10->11
Jun 6 23:32:08 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:08 my_host kernel: ath0: begin active scan in 11g mode, scangen 203
Jun 6 23:32:08 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 11
Jun 6 23:32:08 my_host kernel: ath0: ieee80211_next_scan: chan 11->36
Jun 6 23:32:08 my_host kernel: ath0: ieee80211_next_scan: chan 36->40
Jun 6 23:32:08 my_host kernel: ath0: ieee80211_next_scan: chan 40->44
Jun 6 23:32:08 my_host kernel: ath0: ieee80211_next_scan: chan 44->48
Jun 6 23:32:08 my_host kernel: ath0: ieee80211_next_scan: chan 48->52
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_next_scan: chan 52->56
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:09 my_host kernel: ath0: begin active scan in 11g mode, scangen 204
Jun 6 23:32:09 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 56
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_next_scan: chan 56->60
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:09 my_host kernel: ath0: begin active scan in 11g mode, scangen 205
Jun 6 23:32:09 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 60
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_next_scan: chan 60->64
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:09 my_host kernel: ath0: begin active scan in 11g mode, scangen 206
Jun 6 23:32:09 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 64
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_next_scan: chan 64->149
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:09 my_host kernel: ath0: begin active scan in 11g mode, scangen 207
Jun 6 23:32:09 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 149
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_next_scan: chan 149->153
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:09 my_host kernel: ath0: begin active scan in 11g mode, scangen 208
Jun 6 23:32:09 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 153
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_next_scan: chan 153->157
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:09 my_host kernel: ath0: begin active scan in 11g mode, scangen 209
Jun 6 23:32:09 my_host kernel: ieee80211_reset_scan: scan set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165 start chan 157
Again, I stopped dhclient here
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_next_scan: chan 157->161
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_next_scan: chan 161->165
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_next_scan: chan 165->1
Jun 6 23:32:09 my_host kernel: ath0: ieee80211_next_scan: chan 1->2
Jun 6 23:32:10 my_host kernel: ath0: ieee80211_next_scan: chan 2->3
Jun 6 23:32:10 my_host kernel: ath0: ieee80211_next_scan: chan 3->4
Jun 6 23:32:10 my_host kernel: ath0: ieee80211_next_scan: chan 4->5
Jun 6 23:32:10 my_host kernel: ath0: ieee80211_next_scan: chan 5->6
Jun 6 23:32:10 my_host kernel: ath0: ieee80211_next_scan: chan 6->7
Jun 6 23:32:11 my_host kernel: ath0: ieee80211_next_scan: chan 7->8
Jun 6 23:32:11 my_host kernel: ath0: ieee80211_next_scan: chan 8->9
Jun 6 23:32:11 my_host kernel: ath0: ieee80211_next_scan: chan 9->10
Jun 6 23:32:11 my_host kernel: ath0: ieee80211_next_scan: chan 10->11
Jun 6 23:32:11 my_host kernel: ath0: ieee80211_next_scan: chan 11->36
Jun 6 23:32:12 my_host kernel: ath0: ieee80211_next_scan: chan 36->40
Jun 6 23:32:12 my_host kernel: ath0: ieee80211_next_scan: chan 40->44
Jun 6 23:32:12 my_host kernel: ath0: ieee80211_next_scan: chan 44->48
Jun 6 23:32:12 my_host kernel: ath0: ieee80211_next_scan: chan 48->52
Jun 6 23:32:12 my_host kernel: ath0: ieee80211_next_scan: chan 52->56
Jun 6 23:32:13 my_host kernel: ath0: ieee80211_next_scan: chan 56->60
Jun 6 23:32:13 my_host kernel: ath0: ieee80211_next_scan: chan 60->64
Jun 6 23:32:13 my_host kernel: ath0: ieee80211_next_scan: chan 64->149
Jun 6 23:32:13 my_host kernel: ath0: ieee80211_next_scan: chan 149->153
Jun 6 23:32:13 my_host kernel: ath0: ieee80211_next_scan: chan 153->157
Jun 6 23:32:14 my_host kernel: ath0: ieee80211_cancel_scan: end active scan
Jun 6 23:32:14 my_host kernel: ath0: ath0: notify scan done
Jun 6 23:32:14 my_host kernel: ath0: macaddr bssid chan rssi rate flag wep essid
Jun 6 23:32:14 my_host kernel: ath0: link state changed to UP
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