>
> > > > > >
> > > > > > I'm trying to build my own wifi router, cobbling together a
> > > > > > Debian
> > > > > > (wheezy) box, hostapd (1.0) and an Intel 2230. I'm seeing
> > > > > > various problems with the 2230 and I'm wondering if I'm mad
> > > > > > for trying to use this card in AP mode (in which case is there
> > > > > > an alternative Intel card I should use, or is an ath9k my best
> > > > > > bet), or if it's worthwhile reporting the issues and trying fixes.
> > > > > >
> > > > > > I'm using 3.8.5 (and previously 3.8.4). I tried 3.9-rc4
> > > > > > briefly but it was unusable - as soon as there was any traffic I saw
> errors like:
> > ...
> > > Can you please try the patch attached?
> > >
> > > Note that I couldn't really test it so...
> > >
> > > Also, it seems that the best way to reproduce the issue is to have a
> > > station disappear while TX AMPDU is working.
> >
> > I suspect that's being caused by the cell phones appearing briefly and
> > then disappearing. I've applied the patch to 3.9-rc5 (and also "iwlwifi:
> > dvm: don't send HCMD in restart flow" which I saw hit stable but isn't
> > in rc5) and I've had the following WARNING:
> >
> > [ 8370.590990] iwlwifi 0000:04:00.0: I iwlagn_tx_agg_start Can
> > proceed: ssn = next_recl = 2026 [ 8370.593327] iwlwifi 0000:04:00.0: U
> > iwl_trans_pcie_txq_enable Activate queue 11 on FIFO 4 WrPtr: 234 [
> > 8372.504646] iwlwifi 0000:04:00.0: I iwlagn_tx_agg_start Can proceed:
> > ssn = next_recl = 700 [ 8372.526891] iwlwifi 0000:04:00.0: U
> > iwl_trans_pcie_txq_enable Activate queue 12 on FIFO 4 WrPtr: 188 [
> > 8381.218880] iwlwifi 0000:04:00.0: I iwlagn_tx_agg_stop Can proceed:
> > ssn = next_recl = 2028 [ 8381.218912] iwlwifi 0000:04:00.0: U
> > iwl_trans_pcie_txq_disable Deactivate queue 11 [ 8385.219756] iwlwifi
> > 0000:04:00.0: I iwlagn_tx_agg_stop Can proceed: ssn = next_recl = 708
> > [ 8385.219788] iwlwifi 0000:04:00.0: U iwl_trans_pcie_txq_disable
> > Deactivate queue 12 [ 8421.657189] iwlwifi 0000:04:00.0: I
> > iwlagn_tx_agg_start Can proceed: ssn = next_recl = 196 [ 8422.646042]
> > iwlwifi 0000:04:00.0: I iwlagn_tx_agg_flush Flush AGG: sta 4 tid
> > 0 q 11 state 0
> > [ 8422.646301] ------------[ cut here ]------------ [ 8422.647227]
> > WARNING: at drivers/net/wireless/iwlwifi/pcie/tx.c:1120
> > iwl_trans_pcie_txq_disable+0x45/0xb9 [iwlwifi]() [ 8422.648165]
> > Hardware name: To be filled by O.E.M.
> > [ 8422.649125] queue 11 not used
> > [ 8422.649150] Modules linked in: sit tunnel4 ip6t_REJECT xt_LOG
> > xt_limit
> > nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables 8021q garp
> > stp llc ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_tcpudp
> > nf_conntrack_ipv4
> > nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables x_tables
> > dummy
> > nls_utf8 nls_cp437 vfat fat loop rt2800usb rt2800lib rt2x00usb
> > rt2x00lib crc_ccitt tda18271 lgdt3305 hid_generic em28xx_dvb dvb_core
> > btusb bluetooth em28xx videobuf2_vmalloc videobuf2_memops
> > videobuf2_core tveeprom v4l2_common videodev media joydev hid_aureal
> > usbhid hid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel
> > snd_hda_codec snd_hwdep snd_pcm arc4 snd_page_alloc kvm_intel iwldvm
> > mac80211 iwlwifi kvm snd_seq crc32_pclmul crc32c_intel
> > ghash_clmulni_intel snd_seq_device snd_timer xhci_hcd snd cfg80211
> > rfkill iTCO_wdt iTCO_vendor_support cryptd soundcore i2c_i801 lpc_ich
> > mfd_core mei ehci_pci ehci_hcd usbcore usb_common acpi_cpufreq mperf
> > processor evdev microcode fan thermal [ 8422.657942] Pid: 2038, comm:
> > hostapd Not tainted 3.9.0-rc5 #2 [ 8422.659702] Call Trace:
> > [ 8422.661460] [<ffffffff8102c007>] ? warn_slowpath_common+0x76/0x8c
> > [ 8422.663291] [<ffffffff8102c0b5>] ? warn_slowpath_fmt+0x45/0x4a [
> > 8422.665130] [<ffffffffa024396f>] ? iwlagn_txfifo_flush+0x9d/0xa3
> > [iwldvm] [ 8422.667003] [<ffffffffa032d92d>] ?
> > iwl_trans_pcie_txq_disable+0x45/0xb9
> > [iwlwifi]
> > [ 8422.668911] [<ffffffffa0241913>] ? iwlagn_tx_agg_flush+0xc4/0xd9
> > [iwldvm] [ 8422.670820] [<ffffffffa023e82d>] ?
> > iwlagn_mac_ampdu_action+0x1cb/0x2db [iwldvm] [ 8422.672754]
> > [<ffffffffa01be4ae>] ? drv_ampdu_action+0xf2/0x148 [mac80211] [
> > 8422.674706] [<ffffffff8107ede1>] ? try_stop_cpus+0x42/0x53 [
> > 8422.676671] [<ffffffff8104f680>] ? should_resched+0x5/0x23 [
> > 8422.678687] [<ffffffffa01bef01>] ?
> > ___ieee80211_stop_tx_ba_session+0x1b3/0x1db [mac80211] [ 8422.680739]
> > [<ffffffff8104f680>] ? should_resched+0x5/0x23 [ 8422.682822]
> > [<ffffffffa01bf30a>] ?
> > __ieee80211_stop_tx_ba_session+0x31/0x4a [mac80211] [ 8422.684964]
> > [<ffffffffa01bdf68>] ?
> > ieee80211_sta_tear_down_BA_sessions+0x2d/0x58 [mac80211] [
> > 8422.687157] [<ffffffffa01ba1d3>] ? __sta_info_destroy+0x41/0x1e2
> > [mac80211] [ 8422.689368] [<ffffffffa01ba4de>] ?
> > sta_info_destroy_addr_bss+0x35/0x56
> > [mac80211]
> > [ 8422.691633] [<ffffffffa00baa8b>] ? nl80211_del_station+0x6c/0xc2
> > [cfg80211] [ 8422.693915] [<ffffffff81386476>] ?
> > genl_rcv_msg+0x1b6/0x1ff [ 8422.696219] [<ffffffff813862c0>] ?
> > genl_rcv+0x28/0x28 [ 8422.698532] [<ffffffff81385f83>] ?
> > netlink_rcv_skb+0x36/0x7c [ 8422.700808] [<ffffffff813862b7>] ?
> > genl_rcv+0x1f/0x28 [ 8422.703115] [<ffffffff81385aa5>] ?
> > netlink_unicast+0xde/0x15e [ 8422.705447] [<ffffffff810f6f5f>] ?
> > set_restore_sigmask+0x2d/0x2d [ 8422.707796] [<ffffffff81385db2>] ?
> > netlink_sendmsg+0x28d/0x2b4 [ 8422.710111] [<ffffffff8104f680>] ?
> > should_resched+0x5/0x23 [ 8422.712466] [<ffffffff81354616>] ?
> > sock_sendmsg+0x4f/0x6c [ 8422.714770] [<ffffffff814044ab>] ?
> > packet_recvmsg+0x469/0x47c [ 8422.717095] [<ffffffff810f6f5f>] ?
> > set_restore_sigmask+0x2d/0x2d [ 8422.719447] [<ffffffff81354825>] ?
> > __sys_sendmsg+0x1f2/0x284 [ 8422.721801] [<ffffffff8104f680>] ?
> > should_resched+0x5/0x23 [ 8422.724180] [<ffffffff8141dc07>] ?
> > _cond_resched+0x6/0x1a [ 8422.726589] [<ffffffff810468cc>] ?
> > autoremove_wake_function+0x2a/0x2a
> > [ 8422.729015] [<ffffffff810f93cc>] ? dentry_kill+0x121/0x12d [
> > 8422.731459] [<ffffffff810f981d>] ? dput+0xe6/0xf3 [ 8422.733909]
> > [<ffffffff810ea73f>] ? __fput+0x192/0x1b9 [ 8422.736418]
> > [<ffffffff810fdac0>] ? fget_light+0x2c/0x74 [ 8422.739611]
> > [<ffffffff8135584c>] ? sys_sendmsg+0x39/0x57 [ 8422.742841]
> > [<ffffffff81423852>] ? system_call_fastpath+0x16/0x1b [ 8422.746075]
> > ---[ end trace dc0022bd7c6404b6 ]--- [ 8427.736757] iwlwifi
> > 0000:04:00.0: I iwlagn_tx_agg_start Can proceed: ssn = next_recl = 734
> > [ 8427.744108] iwlwifi 0000:04:00.0: U iwl_trans_pcie_txq_enable
> > Activate queue 11 on FIFO 4 WrPtr: 222 [ 8457.809811] iwlwifi
> > 0000:04:00.0: I iwlagn_tx_agg_stop Can proceed: ssn = next_recl = 1595
> > [ 8457.809843] iwlwifi 0000:04:00.0: U iwl_trans_pcie_txq_disable
> > Deactivate queue 11 [ 8487.759858] iwlwifi 0000:04:00.0: I
> > iwlagn_tx_agg_start Can't proceed: ssn 1843, next_reclaimed = 1803 [
> > 8487.786678] iwlwifi 0000:04:00.0: I iwlagn_check_ratid_empty Can
> > continue ADDBA flow ssn = next_recl = 1843 [ 8487.802696] iwlwifi
> > 0000:04:00.0: U iwl_trans_pcie_txq_enable Activate queue 11 on FIFO 4
> > WrPtr: 51
> >
>
> Stupid me - can you please try with this one?
Err again.... Take this one instead... Sorry...
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On Mon, Apr 08, 2013 at 05:52:47AM +0000, Grumbach, Emmanuel wrote:
> > > > > > >
> > > > > > > I'm trying to build my own wifi router, cobbling together
> > > > > > > a Debian (wheezy) box, hostapd (1.0) and an Intel 2230.
> > > > > > > I'm seeing various problems with the 2230 and I'm
> > > > > > > wondering if I'm mad for trying to use this card in AP
> > > > > > > mode (in which case is there an alternative Intel card I
> > > > > > > should use, or is an ath9k my best bet), or if it's
> > > > > > > worthwhile reporting the issues and trying fixes.
> > > > > > >
> > > > > > > I'm using 3.8.5 (and previously 3.8.4). I tried 3.9-rc4
> > > > > > > briefly but it was unusable - as soon as there was any
> > > > > > > traffic I saw errors like:
> > > ...
> > > > Can you please try the patch attached?
> > > >
> > > > Note that I couldn't really test it so...
> > > >
> > > > Also, it seems that the best way to reproduce the issue is to have a
> > > > station disappear while TX AMPDU is working.
> > >
> > > I suspect that's being caused by the cell phones appearing briefly and
> > > then disappearing. I've applied the patch to 3.9-rc5 (and also "iwlwifi:
> > > dvm: don't send HCMD in restart flow" which I saw hit stable but isn't
> > > in rc5) and I've had the following WARNING:
...
> > Stupid me - can you please try with this one?
>
> Err again.... Take this one instead... Sorry...
This is looking good - up for over 48 hours now on 3.9-rc6 + your patch
and no "txq_id mismatch" messages, no WARNINGs and no sign of the
firmware restart messages either. Thanks!
J.
--
Real Programmers don't drink decaf.