Return-path: Received: from mail-qw0-f46.google.com ([209.85.216.46]:55742 "EHLO mail-qw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752185Ab0LGL2l convert rfc822-to-8bit (ORCPT ); Tue, 7 Dec 2010 06:28:41 -0500 MIME-Version: 1.0 Reply-To: sedat.dilek@gmail.com In-Reply-To: References: Date: Tue, 7 Dec 2010 12:28:40 +0100 Message-ID: Subject: Re: [linux-next] next-20101207: Better now, but modinfo ath5k From: Sedat Dilek To: wireless Cc: LKML , John Linville , Stephen Rothwell , Nick Kossifidis , Bruno Randolf , ath5k-devel Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, Dec 7, 2010 at 12:24 PM, Sedat Dilek wrote: > Hi, > > I just compiled linux-next (next-20101207) which also includes > wireless-next-2.6 (master-2010-12-06) [1]. > > I have already reported on linux-wireless (short: l-w) ML that after > especially the merge of "AHB Bus support" patchset (see [2]) my ath5k > was not working as expected in daily use (also modinfo). > > I am not sure if it is the driver but reverting the 9 commits in my > local linux-next GIT seemed to "stabilize" a bit the Internet > connection. > The patchset from Nick (see below) definitely helped to stabilize ath5k. > > What means "daily use"? > Quassel IRC-client (around 20 channels), Iceweasel (Debian's answer to > firefox) with sometimes 20 tabs open and radio live-stream in VLC. > > Here and there I have still audio-dropouts or when typing emails in > web-based email-service, it stalls when "stressing" with for example > parallelly creating a tarball (that's normally no huge workload) the > probability for audio-dropouts increases. > > As I said I am not sure what is causing these hangs, it's ath5k > driver? Is it sth. else? > How to dig into it? > > Unfortunately, modinfo does not list aliases with pci-id matching (I > have already reported to l-w ML, see below). > With reverting "AHB Bus support" patchset modinfo works as expected. > > As a workaround I added ath5k to /etc/modules (see below), otherwise I > have to stop networking, unload + reload ath5k and start networking > again. > > I also added an iw station dump (see below) and outputs of filtered > lspci and dmesg commands. > > Not sure if this is helpful to mention, I use crda and wireless-regdb > (see below). > > BTW, I have these two patches in addition to linux-next: >  (+) OK   mac80211-fix/mac80211-fix-a-compiler-warning.patch >  (+) OK   ath5k-fix/ath5k-Use-capabilities-information-for-the-number-of-TX-queues.patch > > Any ideas/help appreciated, Thanks in advance. > > Kind Regards, > - Sedat - > > [1] http://git.kernel.org/?p=linux/kernel/git/linville/wireless-next-2.6.git > [2] http://wireless.kernel.org/en/users/Drivers/ath5k > > P.S.: Patchset from Nick Kossifidis > > $ ls -l ath5k-fix/*-6-* > -rw-r--r-- 1 sd sd 3439  3. Dez 06:52 > ath5k-fix/1-6-ath5k-Always-write-tx-powertable-on-hw.patch > -rw-r--r-- 1 sd sd 1725  3. Dez 06:51 > ath5k-fix/2-6-ath5k-Always-free-tx-buffers-before-reset.patch > -rw-r--r-- 1 sd sd 2132  3. Dez 06:52 > ath5k-fix/3-6-ath5k-Disable-ANI-during-reset.patch > -rw-r--r-- 1 sd sd 1360  3. Dez 06:52 > ath5k-fix/4-6-ath5k-Fix-reporting-of-RX-dma-stop-failure.patch > -rw-r--r-- 1 sd sd 1735  3. Dez 06:52 > ath5k-fix/5-6-ath5k-Update-version-string.patch > -rw-r--r-- 1 sd sd 1744  3. Dez 06:53 > ath5k-fix/6-6-ath5k-Include-tx-ack-reporting-on-hw-flags.patch > > # modinfo ath5k > filename: > /lib/modules/2.6.37-rc4-686/kernel/drivers/net/wireless/ath/ath5k/ath5k.ko > version:        0.6.0 (EXPERIMENTAL) > license:        Dual BSD/GPL > description:    Support for 5xxx series of Atheros 802.11 wireless LAN cards. > author:         Nick Kossifidis > author:         Jiri Slaby > srcversion:     49DBF0BE975A1F9917151F4 > depends:        mac80211,cfg80211,ath > vermagic:       2.6.37-rc4-686 SMP mod_unload modversions 686 > parm:           debug:uint > parm:           nohwcrypt:Disable hardware encryption. (bool) > parm:           all_channels:Expose all channels the device can use. (bool) > > # grep ath5k /etc/modules > ath5k > > # iw wlan0 station dump > Station 00:04:0e:e4:00:3d (on wlan0) >        inactive time:  48 ms >        rx bytes:       60460696 >        rx packets:     95331 >        tx bytes:       5034456 >        tx packets:     50165 >        signal:         -50 dBm >        tx bitrate:     36.0 MBit/s > > # lspci -nnvv | grep -i ath > 02:02.0 Ethernet controller [0200]: Atheros Communications Inc. AR5212 > 802.11abg NIC [168c:1014] (rev 01) >        Kernel driver in use: ath5k > > # dmesg | egrep -i 'ath|80211|wlan' > [   14.444118] cfg80211: Calling CRDA to update world regulatory domain > [   14.725757] ath5k 0000:02:02.0: PCI INT A -> Link[LNKC] -> GSI 11 > (level, low) -> IRQ 11 > [   14.736940] ath5k 0000:02:02.0: registered as 'phy0' > [   15.036636] ath: EEPROM regdomain: 0x61 > [   15.036640] ath: EEPROM indicates we should expect a direct regpair map > [   15.036646] ath: Country alpha2 being used: 00 > [   15.036648] ath: Regpair used: 0x61 > [   15.665415] cfg80211: World regulatory domain updated: > [   15.676274] cfg80211:     (start_freq - end_freq @ bandwidth), > (max_antenna_gain, max_eirp) > [   15.687303] cfg80211:     (2402000 KHz - 2472000 KHz @ 40000 KHz), > (300 mBi, 2000 mBm) > [   15.698413] cfg80211:     (2457000 KHz - 2482000 KHz @ 20000 KHz), > (300 mBi, 2000 mBm) > [   15.709461] cfg80211:     (2474000 KHz - 2494000 KHz @ 20000 KHz), > (300 mBi, 2000 mBm) > [   15.720489] cfg80211:     (5170000 KHz - 5250000 KHz @ 40000 KHz), > (300 mBi, 2000 mBm) > [   15.731526] cfg80211:     (5735000 KHz - 5835000 KHz @ 40000 KHz), > (300 mBi, 2000 mBm) > [   15.754490] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht' > [   15.755482] Registered led device: ath5k-phy0::rx > [   15.755516] Registered led device: ath5k-phy0::tx > [   15.755529] ath5k phy0: Atheros AR5212 chip found (MAC: 0x56, PHY: 0x41) > [   15.766686] ath5k phy0: RF5111 5GHz radio found (0x17) > [   15.777870] ath5k phy0: RF2111 2GHz radio found (0x23) > [   17.374647] ADDRCONF(NETDEV_UP): wlan0: link is not ready > [   22.596104] wlan0: authenticate with 00:04:0e:e4:00:3d (try 1) > [   22.597531] wlan0: authenticated > [   22.597549] wlan0: associate with 00:04:0e:e4:00:3d (try 1) > [   22.602095] wlan0: RX AssocResp from 00:04:0e:e4:00:3d (capab=0x411 > status=0 aid=1) > [   22.602100] wlan0: associated > [   22.602986] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready > [   33.312034] wlan0: no IPv6 routers present > [  215.317105] cfg80211: Calling CRDA to update world regulatory domain > [  215.346333] cfg80211: World regulatory domain updated: > [  215.346341] cfg80211:     (start_freq - end_freq @ bandwidth), > (max_antenna_gain, max_eirp) > [  215.346346] cfg80211:     (2402000 KHz - 2472000 KHz @ 40000 KHz), > (300 mBi, 2000 mBm) > [  215.346350] cfg80211:     (2457000 KHz - 2482000 KHz @ 20000 KHz), > (300 mBi, 2000 mBm) > [  215.346354] cfg80211:     (2474000 KHz - 2494000 KHz @ 20000 KHz), > (300 mBi, 2000 mBm) > [  215.346358] cfg80211:     (5170000 KHz - 5250000 KHz @ 40000 KHz), > (300 mBi, 2000 mBm) > [  215.346362] cfg80211:     (5735000 KHz - 5835000 KHz @ 40000 KHz), > (300 mBi, 2000 mBm) > [  219.627199] wlan0: authenticate with 00:04:0e:e4:00:3d (try 1) > [  219.629321] wlan0: authenticated > [  219.629365] wlan0: associate with 00:04:0e:e4:00:3d (try 1) > [  219.635825] wlan0: RX AssocResp from 00:04:0e:e4:00:3d (capab=0x411 > status=0 aid=1) > [  219.635836] wlan0: associated > > # dpkg -l | egrep 'crda|wireless-regdb' | cut -c-80 > ii  crda                                            1.1.1-0~svnr1515.3 > ii  wireless-regdb                                  2010.11.24-1 > Might also be interesting to know: # wpa_cli -i wlan0 status bssid=00:04:0e:e4:00:3d ssid=myCastle-WLAN WPA (Wireless LAN) id=0 pairwise_cipher=CCMP group_cipher=TKIP key_mgmt=WPA2-PSK wpa_state=COMPLETED ip_address=192.168.178.25 - Sedat -