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Date:      Mon, 30 May 2016 23:15:55 +0200
From:      "Ronald Klop" <ronald-lists@klop.ws>
To:        "Adrian Chadd" <adrian.chadd@gmail.com>
Cc:        freebsd-current <freebsd-current@freebsd.org>
Subject:   Re: if_iwn dhcp troubles
Message-ID:  <op.yian0twbkndu52@53555a16.cm-6-6b.dynamic.ziggo.nl>
In-Reply-To: <CAJ-VmonnqrR2t8J5ytD_oHU%2B1pTC91qZfAv56-o2=zjGqgYyqQ@mail.gmail.com>
References:  <op.yh75shomkndu52@53555a16.cm-6-6b.dynamic.ziggo.nl> <CAJ-VmonR5bW4B_AvBHXO3Tm8wbvyYJcs26V8pKSQYPXCR1vyGg@mail.gmail.com> <op.yh8tv0gwkndu52@ronaldradial.radialsg.local> <CAJ-VmonnqrR2t8J5ytD_oHU%2B1pTC91qZfAv56-o2=zjGqgYyqQ@mail.gmail.com>

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On Mon, 30 May 2016 03:01:10 +0200, Adrian Chadd <adrian.chadd@gmail.com>  
wrote:

> ok, so there seem to be more lingering 802.11n issues. can you tell me
> mrore about the environment there, so I can try to duplicate it?
>
> I'd like to fix whatever 11n issues there are in iwn!
>
> Thanks!
>
>
> -a

Hi Adrian,

I don't know what you want to know, but it is just my laptop at home. I  
installed an Intel WiFi card, because the Broadcom it had didn't have  
support in FreeBSD. I normally have if_lagg configured, but disabled it to  
debug this.
I connect with WiFi to a Ubiquiti Unifi AP AC Lite  
(https://www.ubnt.com/unifi/unifi-ap-ac-lite/).
Other (non-freebsd) devices, like a phone, connect happily with the WiFi.


pciconf -vl:
...
iwn0@pci0:4:0:0:	class=0x028000 card=0x40608086 chip=0x088e8086 rev=0x24  
hdr=0x00
     vendor     = 'Intel Corporation'
     device     = 'Centrino Advanced-N 6235'
     class      = network
...
=================
cat /etc/wpa_supplicant.conf (really plain)
network={
	ssid="xxxxxxxxx"
	psk="yyyyyyyy"
}
=================
cat /etc/rc.conf:
# Kernel
zfs_enable="YES"
saver="green"
accounting_enable="YES"
powerd_enable="YES"
devfs_system_ruleset="system"
background_fsck="NO"
dumpdev="AUTO"
kld_list="coretemp ichsmb radeonkms fuse if_lagg vboxdrv cuse"
keymap="/etc/keymap.test"
# if_bwn bwn_v4_lp_ucode"

# Networking
hostname="sjakie.klop.ws"
#wpa_supplicant_flags="$wpa_supplicant_flags -d"
wlans_iwn0="wlan0"
create_args_wlan0="wlanaddr 00:26:b9:12:40:a4 country NL"
ifconfig_wlan0="-ht WPA"
#ifconfig_bge0="up"
#cloned_interfaces="lagg0"
#ifconfig_lagg0="laggproto failover laggport bge0 laggport wlan0 SYNCDHCP"

ifconfig_wlan0="$ifconfig_wlan0 DHCP"

#ifconfig_DEFAULT="SYNCDHCP"
#ifconfig_em0_alias0="inet 192.168.1.36 netmask 0xffffffff"
firewall_enable="YES"
firewall_type="/etc/ipfw.sjakie"
#local_unbound_enable="YES"

# Daemons
ntpdate_enable="YES"
ntpd_enable="YES"
sshd_enable="YES"
inetd_enable="YES"
syslogd_flags=""
sendmail_enable="NO"
sendmail_submit_enable="NO"
sendmail_outbound_enable="NO"
sendmail_msp_queue_enable="NO"

# Bluetooth
#hcsecd_enable="YES"
#sdpd_enable="YES"
#bthidd_enable="YES"

# Ports
bsdstats_enable="YES"
#postfix_enable="YES"
#smtpd_enable="YES"
#smtpd_flags="-v"
cupsd_enable="YES"
dbus_enable="YES"
polkitd_enable="YES"
#hald_enable="YES"
smartd_enable="YES"
#mdnsd_enable="YES"
avahi_daemon_enable="YES"
bruteblockd_enable="YES"
bruteblockd_table="1"
bruteblockd_flags="-s 5"
#collectd_enable="YES"

rpcbind_enable="YES"
#nfs_client_enable="YES"
mountd_enable="YES"
nfs_server_enable="YES"

panicmail_enable="YES"
slim_enable="YES"

webcamd_enable="YES"
webcamd_flags="-m v4l2-dev.v4l_hflip=1"


=============
dmesg:
Copyright (c) 1992-2016 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 is a registered trademark of The FreeBSD Foundation.
FreeBSD 11.0-ALPHA1 #7 r300901M: Sat May 28 16:54:00 CEST 2016
     root@sjakie.klop.ws:/usr/obj/usr/src/sys/GENERIC-NODEBUG amd64
FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on LLVM  
3.8.0)
can't re-use a leaf (ixl_rx_miss_bufs)!
VT(vga): resolution 640x480
CPU: Pentium(R) Dual-Core CPU       T4300  @ 2.10GHz (2094.80-MHz K8-class  
CPU)
   Origin="GenuineIntel"  Id=0x1067a  Family=0x6  Model=0x17  Stepping=10
   Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
   Features2=0xc00e39d<SSE3,DTES64,MON,DS_CPL,EST,TM2,SSSE3,CX16,xTPR,PDCM,XSAVE,OSXSAVE>
   AMD Features=0x20100800<SYSCALL,NX,LM>
   AMD Features2=0x1<LAHF>
   TSC: P-state invariant, performance statistics
real memory  = 4294967296 (4096 MB)
avail memory = 4047171584 (3859 MB)
Event timer "LAPIC" quality 400
ACPI APIC Table: <PTLTD  	 APIC  >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
FreeBSD/SMP: 1 package(s) x 2 core(s)
random: unblocking device.
ioapic0 <Version 2.0> irqs 0-23 on motherboard
random: entropy device external interface
kbd1 at kbdmux0
netmap: loaded module
module_register_init: MOD_LOAD (vesa, 0xffffffff80fe16e0, 0) error 19
vtvga0: <VT VGA driver> on motherboard
cryptosoft0: <software crypto> on motherboard
acpi0: <DELL QA09   > on motherboard
acpi0: Power Button (fixed)
Timecounter "HPET" frequency 14318180 Hz quality 950
Event timer "HPET" frequency 14318180 Hz quality 450
Event timer "HPET1" frequency 14318180 Hz quality 440
Event timer "HPET2" frequency 14318180 Hz quality 440
Event timer "HPET3" frequency 14318180 Hz quality 440
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
atrtc0: <AT realtime clock> port 0x70-0x77 irq 8 on acpi0
atrtc0: Warning: Couldn't map I/O.
Event timer "RTC" frequency 32768 Hz quality 0
attimer0: <AT timer> port 0x40-0x43,0x50-0x53 irq 0 on acpi0
Timecounter "i8254" frequency 1193182 Hz quality 0
Event timer "i8254" frequency 1193182 Hz quality 100
Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
acpi_ec0: <Embedded Controller: GPE 0x1c> port 0x62,0x66 on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> irq 16 at device 1.0 on pci0
pcib1: [GIANT-LOCKED]
pci1: <ACPI PCI bus> on pcib1
vgapci0: <VGA-compatible display> port 0x2000-0x20ff mem  
0xd0000000-0xdfffffff,0xfc000000-0xfc00ffff irq 16 at device 0.0 on pci1
vgapci0: Boot video device
hdac0: <ATI RV730 HDA Controller> mem 0xfc010000-0xfc013fff irq 17 at  
device 0.1 on pci1
uhci0: <Intel 82801I (ICH9) USB controller> port 0x1800-0x181f irq 16 at  
device 26.0 on pci0
usbus0 on uhci0
uhci1: <Intel 82801I (ICH9) USB controller> port 0x1820-0x183f irq 21 at  
device 26.1 on pci0
usbus1 on uhci1
uhci2: <Intel 82801I (ICH9) USB controller> port 0x1840-0x185f irq 19 at  
device 26.2 on pci0
usbus2 on uhci2
ehci0: <Intel 82801I (ICH9) USB 2.0 controller> mem 0xfc504800-0xfc504bff  
irq 19 at device 26.7 on pci0
usbus3: EHCI version 1.0
usbus3 on ehci0
hdac1: <Intel 82801I HDA Controller> mem 0xfc500000-0xfc503fff irq 22 at  
device 27.0 on pci0
pcib2: <ACPI PCI-PCI bridge> irq 17 at device 28.0 on pci0
pcib2: [GIANT-LOCKED]
pcib3: <ACPI PCI-PCI bridge> irq 16 at device 28.1 on pci0
pcib3: [GIANT-LOCKED]
pci2: <ACPI PCI bus> on pcib3
iwn0: <Intel Centrino Advanced 6235> mem 0xf8000000-0xf8001fff irq 17 at  
device 0.0 on pci2
pcib4: <ACPI PCI-PCI bridge> irq 19 at device 28.3 on pci0
pcib4: [GIANT-LOCKED]
pcib5: <ACPI PCI-PCI bridge> irq 16 at device 28.5 on pci0
pcib5: [GIANT-LOCKED]
pci3: <ACPI PCI bus> on pcib5
bge0: <Broadcom NetLink Gigabit Ethernet Controller    , ASIC rev.  
0x5784100> mem 0xfc100000-0xfc10ffff irq 17 at device 0.0 on pci3
bge0: CHIP ID 0x05784100; ASIC REV 0x5784; CHIP REV 0x57841; PCI-E
miibus0: <MII bus> on bge0
brgphy0: <BCM5784 10/100/1000baseT PHY> PHY 1 on miibus0
brgphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,  
1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto, auto-flow
bge0: Using defaults for TSO: 65518/35/2048
bge0: Ethernet address: 00:26:b9:12:40:a4
uhci3: <Intel 82801I (ICH9) USB controller> port 0x1860-0x187f irq 23 at  
device 29.0 on pci0
usbus4 on uhci3
uhci4: <Intel 82801I (ICH9) USB controller> port 0x1880-0x189f irq 19 at  
device 29.1 on pci0
usbus5 on uhci4
uhci5: <Intel 82801I (ICH9) USB controller> port 0x18a0-0x18bf irq 18 at  
device 29.2 on pci0
usbus6 on uhci5
ehci1: <Intel 82801I (ICH9) USB 2.0 controller> mem 0xfc504c00-0xfc504fff  
irq 23 at device 29.7 on pci0
usbus7: EHCI version 1.0
usbus7 on ehci1
pcib6: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci4: <ACPI PCI bus> on pcib6
pci4: <serial bus, FireWire> at device 1.0 (no driver attached)
sdhci_pci0: <RICOH R5C822 SD> mem 0xfc200800-0xfc2008ff irq 18 at device  
1.1 on pci4
sdhci_pci0: 1 slot(s) allocated
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
ahci0: <Intel ICH9M AHCI SATA controller> port  
0x18f0-0x18f7,0x18e4-0x18e7,0x18e8-0x18ef,0x18e0-0x18e3,0x18c0-0x18df mem  
0xfc504000-0xfc5047ff irq 19 at device 31.2 on pci0
ahci0: AHCI v1.20 with 4 3Gbps ports, Port Multiplier supported
ahcich0: <AHCI channel> at channel 0 on ahci0
ahcich1: <AHCI channel> at channel 1 on ahci0
ahcich5: <AHCI channel> at channel 5 on ahci0
acpi_button0: <Power Button> on acpi0
acpi_button1: <Sleep Button> on acpi0
acpi_lid0: <Control Method Lid Switch> on acpi0
acpi_acad0: <AC Adapter> on acpi0
battery0: <ACPI Control Method Battery> on acpi0
acpi_tz0: <Thermal Zone> on acpi0
acpi_tz1: <Thermal Zone> on acpi0
acpi_tz2: <Thermal Zone> 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]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model Generic PS/2 mouse, device ID 0
ppc0: cannot reserve I/O port range
est0: <Enhanced SpeedStep Frequency Control> on cpu0
est1: <Enhanced SpeedStep Frequency Control> on cpu1
ZFS NOTICE: Prefetch is disabled by default if less than 4GB of RAM is  
present;
             to enable, add "vfs.zfs.prefetch_disable=0" to  
/boot/loader.conf.
ZFS filesystem version: 5
ZFS storage pool version: features support (5000)
Timecounters tick every 1.000 msec
hdacc0: <ATI R6xx HDA CODEC> at cad 0 on hdac0
hdaa0: <ATI R6xx Audio Function Group> at nid 1 on hdacc0
pcm0: <ATI R6xx (HDMI)> at nid 3 on hdaa0
hdacc1: <IDT 92HD73C1 HDA CODEC> at cad 0 on hdac1
hdaa1: <IDT 92HD73C1 Audio Function Group> at nid 1 on hdacc1
pcm1: <IDT 92HD73C1 (Analog 2.0+HP/2.0)> at nid 13,10 and 14 on hdaa1
pcm2: <IDT 92HD73C1 (Analog)> at nid 15 and 19 on hdaa1
usbus0: 12Mbps Full Speed USB v1.0
usbus1: 12Mbps Full Speed USB v1.0
usbus2: 12Mbps Full Speed USB v1.0
usbus3: 480Mbps High Speed USB v2.0
ugen0.1: <Intel> at usbus0
uhub0: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
ugen1.1: <Intel> at usbus1
uhub1: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
ugen2.1: <Intel> at usbus2
uhub2: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2
ugen3.1: <Intel> at usbus3
uhub3: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus3
usbus4: 12Mbps Full Speed USB v1.0
usbus5: 12Mbps Full Speed USB v1.0
usbus6: 12Mbps Full Speed USB v1.0
usbus7: 480Mbps High Speed USB v2.0
ugen4.1: <Intel> at usbus4
uhub4: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus4
ugen5.1: <Intel> at usbus5
uhub5: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus5
ugen6.1: <Intel> at usbus6
uhub6: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus6
ugen7.1: <Intel> at usbus7
uhub7: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus7
ada0 at ahcich0 bus 0 scbus0 target 0 lun 0
ada0: <Samsung SSD 840 EVO 500GB EXT0BB0Q> ACS-2 ATA SATA 3.x device
ada0: Serial Number S1DHNSAD914271K
ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada0: Command Queueing enabled
ada0: 476940MB (976773168 512 byte sectors)
ada0: quirks=0x3<4K,NCQ_TRIM_BROKEN>
cd0 at ahcich1 bus 0 scbus1 target 0 lun 0
cd0: <HL-DT-ST DVD+-RW GA11N A102> Removable CD-ROM SCSI device
cd0: Serial Number KZZ9B7E2004
cd0: 150.000MB/s transfers (SATA 1.x, UDMA6, ATAPI 12bytes, PIO 8192bytes)
cd0: Attempt to query device size failed: NOT READY, Medium not present -  
tray open
SMP: AP CPU #1 Launched!
Timecounter "TSC" frequency 2094797271 Hz quality 1000
Trying to mount root from zfs:zroot/root []...
Root mount waiting for: usbus7 usbus6 usbus5 usbus4 usbus3 usbus2 usbus1  
usbus0
uhub0: 2 ports with 2 removable, self powered
uhub1: 2 ports with 2 removable, self powered
uhub2: 2 ports with 2 removable, self powered
uhub5: 2 ports with 2 removable, self powered
uhub4: 2 ports with 2 removable, self powered
uhub6: 2 ports with 2 removable, self powered
Root mount waiting for: usbus7 usbus3
Root mount waiting for: usbus7 usbus3
uhub3: 6 ports with 6 removable, self powered
uhub7: 6 ports with 6 removable, self powered
Root mount waiting for: usbus3
ugen6.2: <vendor 0x8087> at usbus6
ugen0.2: <Broadcom> at usbus0
uhub8: <Broadcom BCM2046B1, class 9/0, rev 2.00/1.00, addr 2> on usbus0
Root mount waiting for: usbus3
uhub8: 3 ports with 0 removable, self powered
ugen3.2: <CN0K143J724879B805FS> at usbus3
ugen0.3: <vendor 0x413c> at usbus0
ukbd0: <vendor 0x413c product 0x8157, class 0/0, rev 2.00/1.00, addr 3> on  
usbus0
kbd2 at ukbd0
GEOM_ELI: Device gpt/swap0.eli created.
GEOM_ELI: Encryption: AES-XTS 128
GEOM_ELI:     Crypto: software
ugen0.4: <vendor 0x413c> at usbus0
coretemp0: <CPU On-Die Thermal Sensors> on cpu0
coretemp1: <CPU On-Die Thermal Sensors> on cpu1
ichsmb0: <Intel 82801I (ICH9) SMBus controller> port 0x1c00-0x1c1f irq 19  
at device 31.3 on pci0
smbus0: <System Management Bus> on ichsmb0
info: [drm] Initialized drm 1.1.0 20060810
drmn0: <ATI Mobility Radeon 4500 Series> on vgapci0
info: [drm] RADEON_IS_PCIE
info: [drm] initializing kernel modesetting (RV710 0x1002:0x9553  
0x1028:0x02BE).
info: [drm] register mmio base: 0xFC000000
info: [drm] register mmio size: 65536
info: [drm] radeon_atrm_get_bios: ===> Try ATRM...
info: [drm] radeon_atrm_get_bios: pci_find_class() found: 0:1:0:0,  
vendor=1002, device=9553
info: [drm] radeon_atrm_get_bios: Get ACPI device handle
info: [drm] radeon_atrm_get_bios: Get ACPI handle for "ATRM"
info: [drm] radeon_atrm_get_bios: Failed to get "ATRM" handle: AE_NOT_FOUND
info: [drm] radeon_acpi_vfct_bios: ===> Try VFCT...
info: [drm] radeon_acpi_vfct_bios: Get "VFCT" ACPI table
info: [drm] radeon_acpi_vfct_bios: Failed to get "VFCT" table: AE_NOT_FOUND
info: [drm] igp_read_bios_from_vram: ===> Try IGP's VRAM...
info: [drm] igp_read_bios_from_vram: VRAM base address: 0xd0000000
info: [drm] igp_read_bios_from_vram: Map address: 0xfffff800d0000000  
(262144 bytes)
info: [drm] igp_read_bios_from_vram: Incorrect BIOS signature: 0x0000
info: [drm] radeon_read_bios: ===> Try PCI Expansion ROM...
info: [drm] radeon_read_bios: Map address: 0xfffff800000c0000 (131072  
bytes)
info: [drm] ATOM BIOS: BR32787
drmn0: info: VRAM: 512M 0x0000000000000000 - 0x000000001FFFFFFF (512M used)
drmn0: info: GTT: 512M 0x0000000020000000 - 0x000000003FFFFFFF
info: [drm] Detected VRAM RAM=512M, BAR=256M
info: [drm] RAM width 64bits DDR
[TTM] Zone  kernel: Available graphics memory: 2059256 kiB
[TTM] Initializing pool allocator
info: [drm] radeon: 512M of VRAM memory ready
info: [drm] radeon: 512M of GTT memory ready.
info: [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
info: [drm] Driver supports precise vblank timestamp query.
info: [drm] MSI enabled 1 message(s)
drmn0: info: radeon: using MSI.
info: [drm] radeon: irq initialized.
info: [drm] GART: num cpu pages 131072, num gpu pages 131072
info: [drm] probing gen 2 caps for device 8086:2a41 = 1/0
info: [drm] Loading RV710 Microcode
info: [drm] PCIE GART of 512M enabled (table at 0x0000000000040000).
drmn0: info: WB enabled
drmn0: info: fence driver on ring 0 use gpu addr 0x0000000020000c00 and  
cpu addr 0x0xfffff80014286c00
drmn0: info: fence driver on ring 3 use gpu addr 0x0000000020000c0c and  
cpu addr 0x0xfffff80014286c0c
info: [drm] ring test on 0 succeeded in 1 usecs
info: [drm] ring test on 3 succeeded in 1 usecs
info: [drm] ib test on ring 0 succeeded in 0 usecs
info: [drm] ib test on ring 3 succeeded in 0 usecs
info: [drm] radeon_device_init: Taking over the fictitious range  
0xd0000000-0xe0000000
iicbus0: <Philips I2C bus> on iicbb0 addr 0xff
iic0: <I2C generic I/O> on iicbus0
iicbus1: <Philips I2C bus> on iicbb1 addr 0x0
iic1: <I2C generic I/O> on iicbus1
iicbus2: <Philips I2C bus> on iicbb2 addr 0x0
iic2: <I2C generic I/O> on iicbus2
iicbus3: <Philips I2C bus> on iicbb3 addr 0x0
iic3: <I2C generic I/O> on iicbus3
iicbus4: <Philips I2C bus> on iicbb4 addr 0x0
iic4: <I2C generic I/O> on iicbus4
iicbus5: <Philips I2C bus> on iicbb5 addr 0x0
iic5: <I2C generic I/O> on iicbus5
iicbus6: <Philips I2C bus> on iicbb6 addr 0x0
iic6: <I2C generic I/O> on iicbus6
info: [drm] Radeon Display Connectors
info: [drm] Connector 0:
info: [drm]   VGA-1
info: [drm]   DDC: 0x7fa0 0x7fa0 0x7fa4 0x7fa4 0x7fa8 0x7fa8 0x7fac 0x7fac
info: [drm]   Encoders:
info: [drm]     CRT1: INTERNAL_KLDSCP_DAC1
info: [drm] Connector 1:
info: [drm]   HDMI-A-1
info: [drm]   HPD1
info: [drm]   DDC: 0x7e50 0x7e50 0x7e54 0x7e54 0x7e58 0x7e58 0x7e5c 0x7e5c
info: [drm]   Encoders:
info: [drm]     DFP1: INTERNAL_UNIPHY
info: [drm] Connector 2:
info: [drm]   LVDS-1
info: [drm]   DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c
info: [drm]   Encoders:
info: [drm]     LCD1: INTERNAL_UNIPHY2
info: [drm] Internal thermal controller with fan control
info: [drm] radeon: power management initialized
info: [drm] Connector VGA-1: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.VGA-1
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector HDMI-A-1: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.HDMI-A-1
info: [drm]   - kern.vt.fb.default_mode
info: [drm] Connector LVDS-1: get mode from tunables:
info: [drm]   - kern.vt.fb.modes.LVDS-1
info: [drm]   - kern.vt.fb.default_mode
info: [drm] fb mappable at 0xD0142000
info: [drm] vram apper at 0xD0000000
info: [drm] size 8294400
info: [drm] fb depth is 24
info: [drm]    pitch is 7680
fbd0 on drmn0
VT: Replacing driver "vga" with new "fb".
info: [drm] Initialized radeon 2.29.0 20080528 for drmn0 on minor 0
fuse-freebsd: version 0.4.4, FUSE ABI 7.8
vboxdrv: fAsync=0 offMin=0x2a0 offMax=0xc05
Cuse v0.1.34 @ /dev/cuse
wlan0: Ethernet address: 00:26:b9:12:40:a4
iwn0: iwn_read_firmware: ucode rev=0x12a80601
ubt0: <vendor 0x8087 product 0x07da, class 224/1, rev 2.00/78.69, addr 2>  
on usbus6
ums0: <vendor 0x413c product 0x8158, class 0/0, rev 2.00/1.00, addr 4> on  
usbus0
ums0: 3 buttons and [XY] coordinates ID=2
wlan0: link state changed to UP
WARNING: attempt to domain_add(bluetooth) after domainfinalize()
WARNING: attempt to domain_add(netgraph) after domainfinalize()
ipfw2 (+ipv6) initialized, divert loadable, nat loadable, default to deny,  
logging disabled
Accounting enabled


I hope this will give a hint. If anything else is needed, please tell. I  
can also start wpa_supplicant in debug mode or other things which might  
give info.

Regards,
Ronald.



>
>
> On 29 May 2016 at 14:27, Ronald Klop <ronald-lists@klop.ws> wrote:
>> On Sun, 29 May 2016 19:59:05 +0200, Adrian Chadd  
>> <adrian.chadd@gmail.com>
>> wrote:
>>
>>> hi,
>>>
>>> Do ifconfig wlan0 -ht (ie, disable 11n)
>>>
>>> see if that helps
>>
>>
>> Hi,
>>
>> This does make the errors go away and startup more smoothly.
>>
>> Regards,
>> Ronald.
>>
>>
>>
>>>
>>>
>>> -a
>>>
>>>
>>> On 29 May 2016 at 05:46, Ronald Klop <ronald-lists@klop.ws> wrote:
>>>>
>>>> Hello,
>>>>
>>>> My laptop has troubles obtaining an ip address on the wlan0 (if_iwn).  
>>>> The
>>>> interface has trouble staying up during dhcp resolving. Below some
>>>> information from logs. *If* it obtains an IP address it seems quite
>>>> stable
>>>> afterwards.
>>>> Before https://svnweb.freebsd.org/base?view=revision&revision=300732 I
>>>> had
>>>> to reboot a couple of times before it would happen to get an IP  
>>>> address.
>>>>
>>>> If I need to supply more information please tell. I'm willing to test
>>>> patches also.
>>>>
>>>> Regards,
>>>> Ronald.
>>>>
>>>>
>>>> From uname -a:
>>>> FreeBSD sjakie.klop.ws 11.0-ALPHA1 FreeBSD 11.0-ALPHA1 #7 r300901M:  
>>>> Sat
>>>> May
>>>> 28 16:54:00 CEST 2016
>>>> root@sjakie.klop.ws:/usr/obj/usr/src/sys/GENERIC-NODEBUG  amd64
>>>>
>>>> From dmesg:
>>>> iwn0: <Intel Centrino Advanced 6235> mem 0xf8000000-0xf8001fff irq 17  
>>>> at
>>>> device 0.0 on pci2
>>>>
>>>> From /etc/rc.conf.
>>>> wlans_iwn0="wlan0"
>>>> create_args_wlan0="wlanaddr 00:26:b9:12:40:a4 country NL"
>>>> ifconfig_wlan0="WPA"
>>>> ifconfig_wlan0="$ifconfig_wlan0 SYNCDHCP"
>>>>
>>>> From console.log:
>>>> May 29 13:34:45 sjakie kernel: Created wlan(4) interfaces: wlan0.
>>>> May 29 13:34:45 sjakie kernel: Starting wpa_supplicant.
>>>> May 29 13:34:45 sjakie kernel: Starting dhclient.
>>>> May 29 13:34:45 sjakie kernel: wlan0: no link ...
>>>> May 29 13:34:45 sjakie kernel: ..
>>>> May 29 13:34:45 sjakie kernel: ...
>>>> May 29 13:34:45 sjakie kernel: got link
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: wlan0 link state up -> down
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: wlan0 link state down -> up
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: wlan0 link state up -> down
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to  
>>>> 255.255.255.255
>>>> port
>>>> 67 interval 6
>>>> May 29 13:34:45 sjakie kernel: wlan0 link state down -> up
>>>> May 29 13:34:45 sjakie kernel:
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: wlan0 link state up -> down
>>>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to  
>>>> 255.255.255.255
>>>> port
>>>> 67 interval 15
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: wlan0 link state down -> up
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: wlan0 link state up -> down
>>>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to  
>>>> 255.255.255.255
>>>> port
>>>> 67 interval 4
>>>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to  
>>>> 255.255.255.255
>>>> port
>>>> 67 interval 9
>>>> May 29 13:34:45 sjakie kernel: wlan0 link state down -> up
>>>> May 29 13:34:45 sjakie kernel:
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: wlan0 link state up -> down
>>>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to  
>>>> 255.255.255.255
>>>> port
>>>> 67 interval 16
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: wlan0 link state down -> up
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: wlan0 link state up -> down
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to  
>>>> 255.255.255.255
>>>> port
>>>> 67 interval 5
>>>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to  
>>>> 255.255.255.255
>>>> port
>>>> 67 interval 5
>>>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to  
>>>> 255.255.255.255
>>>> port
>>>> 67 interval 11
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: wlan0 link state down -> up
>>>> May 29 13:34:45 sjakie kernel: DHCPREQUEST on wlan0 to 255.255.255.255
>>>> port
>>>> 67
>>>> May 29 13:34:45 sjakie kernel: DHCPDISCOVER on wlan0 to  
>>>> 255.255.255.255
>>>> port
>>>> 67 interval 12
>>>> May 29 13:34:45 sjakie kernel: DHCPACK from 192.168.1.1
>>>> May 29 13:34:45 sjakie kernel: bound to 192.168.1.109 -- renewal in
>>>> 2147483647 seconds.
>>>>
>>>> From messages:
>>>> May 29 13:34:45 sjakie kernel: wlan0: Ethernet address:  
>>>> 00:26:b9:12:40:a4
>>>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode
>>>> rev=0x12a80601
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>>>> May 29 13:34:45 sjakie kernel: iwn0: iwn_intr: fatal firmware error
>>>> May 29 13:34:45 sjakie kernel: firmware error log:
>>>> May 29 13:34:45 sjakie kernel: error type      = "UNKNOWN"  
>>>> (0x00000038)
>>>> May 29 13:34:45 sjakie kernel: program counter = 0x00009F64
>>>> May 29 13:34:45 sjakie kernel: source line     = 0x000003C4
>>>> May 29 13:34:45 sjakie kernel: error data      = 0x0000000000000000
>>>> May 29 13:34:45 sjakie kernel: branch link     = 0x00009F6000009F60
>>>> May 29 13:34:45 sjakie kernel: interrupt link  = 0x0000DBEA00000000
>>>> May 29 13:34:45 sjakie kernel: time            = 54908
>>>> May 29 13:34:45 sjakie kernel: driver status:
>>>> May 29 13:34:45 sjakie kernel: tx ring  0: qid=0  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  1: qid=1  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  2: qid=2  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  3: qid=3  cur=2   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  4: qid=4  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  5: qid=5  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  6: qid=6  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  7: qid=7  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  8: qid=8  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  9: qid=9  cur=81  queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 10: qid=10 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 11: qid=11 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 12: qid=12 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 13: qid=13 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 14: qid=14 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 15: qid=15 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 16: qid=16 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 17: qid=17 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 18: qid=18 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 19: qid=19 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: rx ring: cur=39
>>>> May 29 13:34:45 sjakie kernel: iwn0: iwn_panicked: controller  
>>>> panicked,
>>>> iv_state = 5; restarting
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to DOWN
>>>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode
>>>> rev=0x12a80601
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to DOWN
>>>> May 29 13:34:45 sjakie kernel: iwn0: scan timeout
>>>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode
>>>> rev=0x12a80601
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to DOWN
>>>> May 29 13:34:45 sjakie kernel: iwn0: scan timeout
>>>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode
>>>> rev=0x12a80601
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>>>> May 29 13:34:45 sjakie kernel: iwn0: iwn_intr: fatal firmware error
>>>> May 29 13:34:45 sjakie kernel: firmware error log:
>>>> May 29 13:34:45 sjakie kernel: error type      = "UNKNOWN"  
>>>> (0x00000038)
>>>> May 29 13:34:45 sjakie kernel: program counter = 0x00009F64
>>>> May 29 13:34:45 sjakie kernel: source line     = 0x000003C4
>>>> May 29 13:34:45 sjakie kernel: error data      = 0x0000000000000000
>>>> May 29 13:34:45 sjakie kernel: branch link     = 0x00009F6000009F60
>>>> May 29 13:34:45 sjakie kernel: interrupt link  = 0x0000DBEA00000000
>>>> May 29 13:34:45 sjakie kernel: time            = 7464
>>>> May 29 13:34:45 sjakie kernel: driver status:
>>>> May 29 13:34:45 sjakie kernel: tx ring  0: qid=0  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  1: qid=1  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  2: qid=2  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  3: qid=3  cur=2   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  4: qid=4  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  5: qid=5  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  6: qid=6  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  7: qid=7  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  8: qid=8  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  9: qid=9  cur=81  queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 10: qid=10 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 11: qid=11 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 12: qid=12 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 13: qid=13 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 14: qid=14 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 15: qid=15 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 16: qid=16 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 17: qid=17 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 18: qid=18 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 19: qid=19 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: rx ring: cur=63
>>>> May 29 13:34:45 sjakie kernel: iwn0: iwn_panicked: controller  
>>>> panicked,
>>>> iv_state = 5; restarting
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to DOWN
>>>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode
>>>> rev=0x12a80601
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to DOWN
>>>> May 29 13:34:45 sjakie kernel: iwn0: scan timeout
>>>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode
>>>> rev=0x12a80601
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>>>> May 29 13:34:45 sjakie kernel: iwn0: iwn_intr: fatal firmware error
>>>> May 29 13:34:45 sjakie kernel: firmware error log:
>>>> May 29 13:34:45 sjakie kernel: error type      = "UNKNOWN"  
>>>> (0x00000038)
>>>> May 29 13:34:45 sjakie kernel: program counter = 0x00009F64
>>>> May 29 13:34:45 sjakie kernel: source line     = 0x000003C4
>>>> May 29 13:34:45 sjakie kernel: error data      = 0x0000000000000000
>>>> May 29 13:34:45 sjakie kernel: branch link     = 0x00009F6000009F60
>>>> May 29 13:34:45 sjakie kernel: interrupt link  = 0x0000DBEA00000000
>>>> May 29 13:34:45 sjakie kernel: time            = 69923
>>>> May 29 13:34:45 sjakie kernel: driver status:
>>>> May 29 13:34:45 sjakie kernel: tx ring  0: qid=0  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  1: qid=1  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  2: qid=2  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  3: qid=3  cur=2   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  4: qid=4  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  5: qid=5  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  6: qid=6  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  7: qid=7  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  8: qid=8  cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring  9: qid=9  cur=81  queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 10: qid=10 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 11: qid=11 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 12: qid=12 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 13: qid=13 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 14: qid=14 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 15: qid=15 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 16: qid=16 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 17: qid=17 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 18: qid=18 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: tx ring 19: qid=19 cur=0   queued=0
>>>> May 29 13:34:45 sjakie kernel: rx ring: cur=61
>>>> May 29 13:34:45 sjakie kernel: iwn0: iwn_panicked: controller  
>>>> panicked,
>>>> iv_state = 5; restarting
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to DOWN
>>>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode
>>>> rev=0x12a80601
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to DOWN
>>>> May 29 13:34:45 sjakie kernel: iwn0: scan timeout
>>>> May 29 13:34:45 sjakie kernel: iwn0: iwn_read_firmware: ucode
>>>> rev=0x12a80601
>>>> May 29 13:34:45 sjakie kernel: wlan0: link state changed to UP
>>>> _______________________________________________
>>>> freebsd-current@freebsd.org mailing list
>>>> https://lists.freebsd.org/mailman/listinfo/freebsd-current
>>>> To unsubscribe, send any mail to
>>>> "freebsd-current-unsubscribe@freebsd.org"



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