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Message-ID: <AANLkTinbGwM-bB9ouTr4BaBH0Y1wys8KkfbR54TCxHp_@mail.gmail.com> Date: Tue, 7 Dec 2010 12:28:40 +0100 From: Sedat Dilek <sedat.dilek@...glemail.com> To: wireless <linux-wireless@...r.kernel.org> Cc: LKML <linux-kernel@...r.kernel.org>, John Linville <linville@...driver.com>, Stephen Rothwell <sfr@...b.auug.org.au>, Nick Kossifidis <mickflemm@...il.com>, Bruno Randolf <br1@...fach.org>, ath5k-devel <ath5k-devel@...ts.ath5k.org> Subject: Re: [linux-next] next-20101207: Better now, but modinfo ath5k On Tue, Dec 7, 2010 at 12:24 PM, Sedat Dilek <sedat.dilek@...glemail.com> 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 - -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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