Message-ID: <4ABBD170.6060702@gmail.com>
Date:	Thu, 24 Sep 2009 13:07:12 -0700
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	Stefan Lippers-Hollmann <s.L-H@....de>
CC:	linux-wireless@...r.kernel.org,
	Kristoffer Ericson <kristoffer.ericson@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Disassociating atheros wlan with 2.6.31

Stefan Lippers-Hollmann wrote:
> Hi
>
> CCing linux-wireless@...r.kernel.org, as it's not very likely to get
> noticed here by wireless developers.
>
> On Thursday 24 September 2009, Justin P. Mattock wrote:
>    
>> Kristoffer Ericson wrote:
>>      
>>> Greetings,
>>>
>>> When moving from vanilla 2.6.30->2.6.31 I noticed that I get dissasociated from
>>> my wlan hub with regular intervalls. This did not happen on 2.6.30.
>>> I cant see any pattern aside from that it happens at regular intervalls
>>> (around 10-15mins). It works again when I re-identifies myself.
>>>
>>> Got an Asus 1000HE with Atheros chipset.
>>> Havent had time to bisect it, just wanted to check
>>> if this is an known issue. Ive ruled out faulty wlan hub
>>> since everything works fine when going back to 2.6.30.
>>>
>>> nothing much on dmesg:
>>> uhci_hcd 0000:00:1d.1: UHCI Host Controller
>>> uhci_hcd 0000:00:1d.1: new USB bus registered, assigned bus number 3
>>> uhci_hcd 0000:00:1d.1: irq 19, io base 0x0000d480
>>> usb usb3: configuration #1 chosen from 1 choice
>>> hub 3-0:1.0: USB hub found
>>> hub 3-0:1.0: 2 ports detected
>>> uhci_hcd 0000:00:1d.2: PCI INT C ->   GSI 18 (level, low) ->   IRQ 18
>>> uhci_hcd 0000:00:1d.2: setting latency timer to 64
>>> uhci_hcd 0000:00:1d.2: UHCI Host Controller
>>> uhci_hcd 0000:00:1d.2: new USB bus registered, assigned bus number 4
>>> uhci_hcd 0000:00:1d.2: irq 18, io base 0x0000d800
>>> usb usb4: configuration #1 chosen from 1 choice
>>> hub 4-0:1.0: USB hub found
>>> hub 4-0:1.0: 2 ports detected
>>> uhci_hcd 0000:00:1d.3: PCI INT D ->   GSI 16 (level, low) ->   IRQ 16
>>> uhci_hcd 0000:00:1d.3: setting latency timer to 64
>>> uhci_hcd 0000:00:1d.3: UHCI Host Controller
>>> uhci_hcd 0000:00:1d.3: new USB bus registered, assigned bus number 5
>>> uhci_hcd 0000:00:1d.3: irq 16, io base 0x0000d880
>>> usb usb5: configuration #1 chosen from 1 choice
>>> hub 5-0:1.0: USB hub found
>>> hub 5-0:1.0: 2 ports detected
>>> input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input7
>>> usb 1-4: new high speed USB device using ehci_hcd and address 3
>>> usb 1-4: configuration #1 chosen from 1 choice
>>> hub 1-4:1.0: USB hub found
>>> hub 1-4:1.0: 4 ports detected
>>> usb 1-5: new high speed USB device using ehci_hcd and address 4
>>> usb 1-5: configuration #1 chosen from 1 choice
>>> usb 1-8: new high speed USB device using ehci_hcd and address 6
>>> usb 1-8: configuration #1 chosen from 1 choice
>>> Initializing USB Mass Storage driver...
>>> scsi4 : SCSI emulation for USB Mass Storage devices
>>> usbcore: registered new interface driver usb-storage
>>> USB Mass Storage support registered.
>>> usb-storage: device found at 4
>>> usb-storage: waiting for device to settle before scanning
>>> HDA Intel 0000:00:1b.0: PCI INT A ->   GSI 16 (level, low) ->   IRQ 16
>>> HDA Intel 0000:00:1b.0: setting latency timer to 64
>>> usb 2-2: new full speed USB device using uhci_hcd and address 2
>>> ath9k 0000:01:00.0: PCI INT A ->   GSI 19 (level, low) ->   IRQ 19
>>> ath9k 0000:01:00.0: setting latency timer to 64
>>> usb 2-2: configuration #1 chosen from 1 choice
>>> input: HDA Digital PCBeep as /devices/pci0000:00/0000:00:1b.0/input/input8
>>> usbcore: registered new interface driver usbserial
>>> USB Serial support registered for generic
>>> usb 5-1: new full speed USB device using uhci_hcd and address 2
>>> usb 5-1: configuration #1 chosen from 1 choice
>>> usb 1-4.1: new full speed USB device using ehci_hcd and address 7
>>> ath: EEPROM regdomain: 0x60
>>> ath: EEPROM indicates we should expect a direct regpair map
>>> ath: Country alpha2 being used: 00
>>> ath: Regpair used: 0x60
>>> Bluetooth: Core ver 2.15
>>> NET: Registered protocol family 31
>>> Bluetooth: HCI device and connection manager initialized
>>> Bluetooth: HCI socket layer initialized
>>> Bluetooth: Generic Bluetooth USB driver ver 0.5
>>> usb 1-4.1: configuration #1 chosen from 1 choice
>>> usb 1-4.2: new low speed USB device using ehci_hcd and address 8
>>> usb 1-4.2: configuration #1 chosen from 1 choice
>>> usb 1-4.4: new low speed USB device using ehci_hcd and address 9
>>> usbcore: registered new interface driver hiddev
>>> input: HID 04d9:1203 as /devices/pci0000:00/0000:00:1d.7/usb1/1-4/1-4.2/1-4.2:1.0/input/input9
>>> generic-usb 0003:04D9:1203.0001: input,hidraw0: USB HID v1.11 Keyboard [HID 04d9:1203] on usb-0000:00:1d.7-4.2/input0
>>> input: HID 04d9:1203 as /devices/pci0000:00/0000:00:1d.7/usb1/1-4/1-4.2/1-4.2:1.1/input/input10
>>> generic-usb 0003:04D9:1203.0002: input,hidraw1: USB HID v1.11 Device [HID 04d9:1203] on usb-0000:00:1d.7-4.2/input1
>>> usbcore: registered new interface driver usbhid
>>> usbhid: v2.6:USB HID core driver
>>> usb 1-4.4: configuration #1 chosen from 1 choice
>>> input: B16_b_02 USB-PS/2 Optical Mouse as /devices/pci0000:00/0000:00:1d.7/usb1/1-4/1-4.4/1-4.4:1.0/input/input11
>>> generic-usb 0003:046D:C025.0003: input,hidraw2: USB HID v1.10 Mouse [B16_b_02 USB-PS/2 Optical Mouse] on usb-0000:00:1d.7-4.4/input0
>>> usbcore: registered new interface driver btusb
>>> usbcore: registered new interface driver usbserial_generic
>>> usbserial: USB Serial Driver core
>>> USB Serial support registered for GSM modem (1-port)
>>> option 2-2:1.0: GSM modem (1-port) converter detected
>>> usb 2-2: GSM modem (1-port) converter now attached to ttyUSB0
>>> option 2-2:1.1: GSM modem (1-port) converter detected
>>> usb 2-2: GSM modem (1-port) converter now attached to ttyUSB1
>>> usbcore: registered new interface driver option
>>> option: v0.7.2:USB Driver for GSM modems
>>> USB Serial support registered for pl2303
>>> pl2303 1-4.1:1.0: pl2303 converter detected
>>> usb 1-4.1: pl2303 converter now attached to ttyUSB2
>>> usbcore: registered new interface driver pl2303
>>> pl2303: Prolific PL2303 USB to serial adaptor driver
>>> phy0: Selected rate control algorithm 'ath9k_rate_control'
>>> Registered led device: ath9k-phy0::radio
>>> Registered led device: ath9k-phy0::assoc
>>> Registered led device: ath9k-phy0::tx
>>> Registered led device: ath9k-phy0::rx
>>> phy0: Atheros AR9280 MAC/BB Rev:2 AR5133 RF Rev:d0: mem=0xf8880000, irq=19
>>> scsi 4:0:0:0: Direct-Access     Single   Flash Reader     1.00 PQ: 0 ANSI: 0
>>> sd 4:0:0:0: Attached scsi generic sg1 type 0
>>> sd 4:0:0:0: [sdb] 15954944 512-byte logical blocks: (8.16 GB/7.60 GiB)
>>> usb-storage: device scan complete
>>> sd 4:0:0:0: [sdb] Write Protect is off
>>> sd 4:0:0:0: [sdb] Mode Sense: 03 00 00 00
>>> sd 4:0:0:0: [sdb] Assuming drive cache: write through
>>> sd 4:0:0:0: [sdb] Assuming drive cache: write through
>>>    sdb: sdb1
>>> sd 4:0:0:0: [sdb] Assuming drive cache: write through
>>> sd 4:0:0:0: [sdb] Attached SCSI removable disk
>>> EXT3-fs warning: maximal mount count reached, running e2fsck is recommended
>>> EXT3 FS on sda1, internal journal
>>> Bluetooth: L2CAP ver 2.13
>>> Bluetooth: L2CAP socket layer initialized
>>> Bluetooth: SCO (Voice Link) ver 0.6
>>> Bluetooth: SCO socket layer initialized
>>> Bluetooth: BNEP (Ethernet Emulation) ver 1.3
>>> Bridge firewalling registered
>>> Bluetooth: RFCOMM TTY layer initialized
>>> Bluetooth: RFCOMM socket layer initialized
>>> Bluetooth: RFCOMM ver 1.11
>>> ATL1E 0000:03:00.0: irq 27 for MSI/MSI-X
>>> fuse init (API version 7.12)
>>> ip_tables: (C) 2000-2006 Netfilter Core Team
>>> nf_conntrack version 0.5.0 (16384 buckets, 65536 max)
>>> CONFIG_NF_CT_ACCT is deprecated and will be removed soon. Please use
>>> nf_conntrack.acct=1 kernel parameter, acct=1 nf_conntrack module option or
>>> sysctl net.netfilter.nf_conntrack_acct=1 to enable it.
>>> wlan0: authenticate with AP 00:14:7c:ae:d1:90
>>> wlan0: authenticated
>>> wlan0: associate with AP 00:14:7c:ae:d1:90
>>> wlan0: RX AssocResp from 00:14:7c:ae:d1:90 (capab=0x431 status=0 aid=5)
>>> wlan0: associated
>>> PPP generic driver version 2.4.2
>>> NET: Registered protocol family 10
>>> lo: Disabled Privacy Extensions
>>> ADDRCONF(NETDEV_UP): eth0: link is not ready
>>> PPP BSD Compression module registered
>>> PPP Deflate Compression module registered
>>> wlan0: no IPv6 routers present
>>> CE: hpet increasing min_delta_ns to 15000 nsec
>>> wlan0: no probe response from AP 00:14:7c:ae:d1:90 - disassociating
>>> wlan0: authenticate with AP 00:14:7c:ae:d1:90
>>> wlan0: authenticated
>>> wlan0: associate with AP 00:14:7c:ae:d1:90
>>> wlan0: RX AssocResp from 00:14:7c:ae:d1:90 (capab=0x431 status=0 aid=5)
>>> wlan0: associated
>>> wlan0: authenticate with AP 00:14:7c:ae:d1:90
>>> wlan0: authenticated
>>> wlan0: associate with AP 00:14:7c:ae:d1:90
>>> wlan0: RX AssocResp from 00:14:7c:ae:d1:90 (capab=0x431 status=0 aid=5)
>>> wlan0: associated
>>> [kristoffer@...gieman wine.git]$
>>>
>>>
>>>
>>>        
>> yeah I'm seeing this with my macbook pro(ath9k)
>> while streaming music, all of a sudden things just crap out.
>> (not sure if this is why, or something else).
>>
>> Justin P. Mattock
>>      
>
> I'm getting similar reports for iwl3945 and 2.6.31.[01], but can't confirm
> this on my own (non-iwl{3945,agn}, non-ath9k) hardware yet.
>
> Regards
> 	Stefan Lippers-Hollmann
>
>    
I don't mind doing a bisect from 30 - present, but first I need to
do some other stuff.

Justin P. Mattock
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