Check the RF disable switch on your laptop (also known as airline switch, wireless disable switch, etc). It probably got bumped to the 'disabled' position. Brett > -----Original Message----- > From: linux-wireless-owner@xxxxxxxxxxxxxxx [mailto:linux-wireless- > owner@xxxxxxxxxxxxxxx] On Behalf Of Sean Paul > Sent: Monday, December 13, 2010 10:02 AM > To: linux-wireless@xxxxxxxxxxxxxxx > Subject: brcm80211 locking up > > Hello, > I've recently started encountering issues with the brcm80211 driver > and my 4313 wireless chipset (with kernel 2.6.35). It was working for > me a couple of weeks ago, but is now locking up my machine on boot. > > I'm using the following kernel config values: > CONFIG_BRCM80211=m > CONFIG_BRCM80211_PCI=y > # CONFIG_BRCMFMAC is not set > > I've tracked the issue down to the following line (in > brcm80211/sys/wlc_bmac.c, function wlc_bmac_radio_read_hwdisabled): > v = ((R_REG(wlc_hw->osh, &wlc_hw->regs->phydebug) & PDBG_RFD) != 0); > > If v equates to true here the driver seems to get stuck in a loop and > brings everything down with it. If I hardcode v to false, the driver > works, I can connect to my wireless network and browse the Internet. > > I've pasted the dmesg output in this email below, I've added breaks to > show where the driver goes off the rails. The "ops->tx called while > down" message followed by the "tx refused but queue active" warning > repeats until the device becomes unresponsive. > > Is this a known issue? > > Thanks, > > Sean > > dmesg output (slightly augmented with my own debug messages): > > # modprobe brcm80211 > 2010-12-10T11:44:46.590263-08:00 localhost kernel: [ 389.590062] > brcm80211: module is from the staging directory, the quality is > unknown, you have been warned. > 2010-12-10T11:44:46.606997-08:00 localhost kernel: [ 389.606782] > wl_pci_probe: bus 7 slot 0 func 0 irq 11 > 2010-12-10T11:44:46.607045-08:00 localhost kernel: [ 389.606828] > brcm80211 0000:07:00.0: enabling device (0104 -> 0106) > 2010-12-10T11:44:46.607068-08:00 localhost kernel: [ 389.606850] > brcm80211 0000:07:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 > 2010-12-10T11:44:46.607090-08:00 localhost kernel: [ 389.606871] > brcm80211 0000:07:00.0: setting latency timer to 64 > 2010-12-10T11:44:46.607108-08:00 localhost kernel: [ 389.606907] PCI/DMA > 2010-12-10T11:44:47.016728-08:00 localhost kernel: [ 390.015542] > wlc_protection_upd: idx 2, val -1 > 2010-12-10T11:44:47.016796-08:00 localhost kernel: [ 390.015551] > wlc_protection_upd: idx 1, val 0 > 2010-12-10T11:44:47.016852-08:00 localhost kernel: [ 390.015558] > wlc_protection_upd: idx 12, val -1 > 2010-12-10T11:44:47.016994-08:00 localhost kernel: [ 390.015563] > wlc_protection_upd: idx 11, val 0 > 2010-12-10T11:44:47.017049-08:00 localhost kernel: [ 390.015568] > wlc_protection_upd: idx 14, val -1 > 2010-12-10T11:44:47.017103-08:00 localhost kernel: [ 390.015573] > wlc_protection_upd: idx 13, val 0 > 2010-12-10T11:44:47.017156-08:00 localhost kernel: [ 390.015578] > wlc_protection_upd: idx 15, val -1 > 2010-12-10T11:44:47.017181-08:00 localhost kernel: [ 390.015584] > wlc_protection_upd: idx 4, val 2 > 2010-12-10T11:44:47.017228-08:00 localhost kernel: [ 390.015594] wl0: > wlc_bmac_attach: vendor 0x14e4 device 0x4727 > 2010-12-10T11:44:47.017282-08:00 localhost kernel: [ 390.015673] > Found chip type AI (0x13814313) > 2010-12-10T11:44:47.022196-08:00 localhost kernel: [ 390.021343] > Changing max_res_mask to 0xffff > 2010-12-10T11:44:47.022237-08:00 localhost kernel: [ 390.021350] > Changing min_res_mask to 0x200d > 2010-12-10T11:44:47.028223-08:00 localhost kernel: [ 390.027513] > Applying 4313 WARs > 2010-12-10T11:44:47.028263-08:00 localhost kernel: [ 390.027591] wl0: > wlc_bmac_corereset > 2010-12-10T11:44:47.028281-08:00 localhost kernel: [ 390.028142] wl0: > wlc_bmac_phy_reset > 2010-12-10T11:44:47.028297-08:00 localhost kernel: [ 390.028146] wl0: > wlc_bmac_core_phypll_ctl > 2010-12-10T11:44:47.028316-08:00 localhost kernel: [ 390.028165] wl0: > validate_chip_access > 2010-12-10T11:44:47.028342-08:00 localhost kernel: [ 390.028240] wl0: > wlc_setxband: bandunit 0 > 2010-12-10T11:44:47.028371-08:00 localhost kernel: [ 390.028295] wl0: > wlc_bmac_corereset > 2010-12-10T11:44:47.028421-08:00 localhost kernel: [ 390.028427] wl0: > wlc_bmac_phy_reset > 2010-12-10T11:44:47.028446-08:00 localhost kernel: [ 390.028435] wl0: > wlc_bmac_core_phypll_ctl > 2010-12-10T11:44:47.029280-08:00 localhost kernel: [ 390.028867] wl0: > wlc_coredisable > 2010-12-10T11:44:47.029303-08:00 localhost kernel: [ 390.028941] wl0: > wlc_bmac_core_phypll_ctl > 2010-12-10T11:44:47.029322-08:00 localhost kernel: [ 390.029013] wl0: > wlc_bmac_xtal: want 0 > 2010-12-10T11:44:47.029342-08:00 localhost kernel: [ 390.029033] > wlc_bmac_attach:: deviceid 0x4727 nbands 1 board 0x510 macaddr: > 00:26:82:b6:f8:81 > 2010-12-10T11:44:47.029363-08:00 localhost kernel: [ 390.029041] > wlc_protection_upd: idx 15, val 115 > 2010-12-10T11:44:47.029382-08:00 localhost kernel: [ 390.029048] > wlc_bmac_copyfrom_vars, nvram vars totlen=2299 > 2010-12-10T11:44:47.029404-08:00 localhost kernel: [ 390.029093] wl0: > wlc_stf_spatial_policy_set: val 0 > 2010-12-10T11:44:47.029429-08:00 localhost kernel: [ 390.029099] wl0: > wlc_stf_txcore_set: Nsts 1 core_mask 1 > 2010-12-10T11:44:47.029451-08:00 localhost kernel: [ 390.029105] wl0: > wlc_stf_txcore_set: Nsts 2 core_mask 3 > 2010-12-10T11:44:47.029470-08:00 localhost kernel: [ 390.029111] wl0: > wlc_stf_txcore_set: Nsts 3 core_mask 7 > 2010-12-10T11:44:47.029491-08:00 localhost kernel: [ 390.029118] wl0: > wlc_stf_txcore_set: Nsts 4 core_mask f > 2010-12-10T11:44:47.029509-08:00 localhost kernel: [ 390.029127] > wlc_protection_upd: idx 3, val 1 > 2010-12-10T11:44:47.029528-08:00 localhost kernel: [ 390.029132] > wlc_protection_upd: idx 10, val 1 > 2010-12-10T11:44:47.029549-08:00 localhost kernel: [ 390.029157] wl0: > wlc_channel_mgr_attach > 2010-12-10T11:44:47.029567-08:00 localhost kernel: [ 390.029173] > wlc_protection_upd: idx 3, val 1 > 2010-12-10T11:44:47.030110-08:00 localhost kernel: [ 390.029788] wl0: > wlc_doiovar > 2010-12-10T11:44:47.030133-08:00 localhost kernel: [ 390.029799] wl0: > wlc_doiovar: id 1 > 2010-12-10T11:44:47.044182-08:00 localhost flimflamd[1046]: wlan0 > {create} index 6 type 1 <ETHER> > 2010-12-10T11:44:47.044212-08:00 localhost kernel: [ 390.041847] > phy0: Selected rate control algorithm 'minstrel' > 2010-12-10T11:44:47.045776-08:00 localhost kernel: [ 390.044371] > wl_set_hint: Sending country code US to MAC80211 > 2010-12-10T11:44:47.045812-08:00 localhost kernel: [ 390.044394] wl0: > Broadcom BCM43xx 802.11 MAC80211 Driver 5.75.11 (1.82.8.0) (Compiled > in . at 14:11:26 on Dec 10 2010) > 2010-12-10T11:44:47.045835-08:00 localhost kernel: [ 390.044418] > cfg80211: Calling CRDA for country: US > 2010-12-10T11:44:47.069896-08:00 localhost udevd[974]: unknown key > 'HOTPLUG' in /etc/udev/rules.d/99-monitor-hotplug.rules:2 > 2010-12-10T11:44:47.077280-08:00 localhost kernel: [ 390.076803] wl0: > wlc_up: > 2010-12-10T11:44:47.077327-08:00 localhost kernel: [ 390.076824] wl0: > wlc_up: radio is up > 2010-12-10T11:44:47.077349-08:00 localhost kernel: [ 390.076830] wl0: > wlc_up: hw not up > 2010-12-10T11:44:47.077364-08:00 localhost kernel: [ 390.076836] wl0: > wlc_bmac_hw_up: > 2010-12-10T11:44:47.077379-08:00 localhost kernel: [ 390.076842] wl0: > wlc_bmac_xtal: want 1 > 2010-12-10T11:44:47.077394-08:00 localhost kernel: [ 390.076928] wl0: > wlc_up: radio_disabled=0 > 2010-12-10T11:44:47.077415-08:00 localhost kernel: [ 390.076935] wl0: > wlc_bmac_up_prep: > 2010-12-10T11:44:47.077431-08:00 localhost kernel: [ 390.076940] wl0: > wlc_bmac_xtal: want 1 > 2010-12-10T11:44:47.077447-08:00 localhost kernel: [ 390.076947] wl0: > wlc_bmac_up_prep: Bus type is PCI > 2010-12-10T11:44:47.077465-08:00 localhost kernel: [ 390.076959] > wlc_bmac_radio_read_hwdisabled: enter > 2010-12-10T11:44:47.077480-08:00 localhost kernel: [ 390.076965] > wlc_bmac_radio_read_hwdisabled: !clk > 2010-12-10T11:44:47.077495-08:00 localhost kernel: [ 390.076999] > wlc_bmac_radio_read_hwdisabled: v=true > 2010-12-10T11:44:47.077511-08:00 localhost kernel: [ 390.077004] > wlc_bmac_radio_read_hwdisabled: !clk, disable core > 2010-12-10T11:44:47.077526-08:00 localhost kernel: [ 390.077062] wl0: > wlc_bmac_xtal: want 0 > 2010-12-10T11:44:47.077541-08:00 localhost kernel: [ 390.077069] wl0: > wlc_up: radio off > 2010-12-10T11:44:47.077560-08:00 localhost kernel: [ 390.077075] wl0: > wlc_up: radio_disabled(2)=2 > 2010-12-10T11:44:47.077576-08:00 localhost kernel: [ 390.077086] wl0: > wlc_up: exiting early :( > > > At this point, wlc_up exits early, which causes the "wl0: > wlc_wme_setparams : no-clock" errors below. > > > 2010-12-10T11:44:47.082288-08:00 localhost kernel: [ 390.081513] wl0: > wlc_doiovar > 2010-12-10T11:44:47.082357-08:00 localhost kernel: [ 390.081523] wl0: > wlc_doiovar: id 3 > 2010-12-10T11:44:47.082375-08:00 localhost kernel: [ 390.081528] wl0: > wlc_doiovar > 2010-12-10T11:44:47.082396-08:00 localhost kernel: [ 390.081552] wl0: > wlc_doiovar: id 3 > 2010-12-10T11:44:47.082415-08:00 localhost kernel: [ 390.081557] wl0: > wlc_doiovar > 2010-12-10T11:44:47.082431-08:00 localhost kernel: [ 390.081562] wl0: > wlc_doiovar: id 2 > 2010-12-10T11:44:47.082449-08:00 localhost kernel: [ 390.081568] wl0: > wlc_doiovar > 2010-12-10T11:44:47.082465-08:00 localhost kernel: [ 390.081573] wl0: > wlc_doiovar: id 2 > 2010-12-10T11:44:47.082481-08:00 localhost kernel: [ 390.081615] wl0: > wlc_wme_setparams : no-clock > 2010-12-10T11:44:47.082501-08:00 localhost kernel: [ 390.081621] wl0: > wlc_wme_setparams : no-clock > 2010-12-10T11:44:47.082521-08:00 localhost kernel: [ 390.081627] wl0: > wlc_wme_setparams : no-clock > 2010-12-10T11:44:47.082536-08:00 localhost kernel: [ 390.081633] wl0: > wlc_wme_setparams : no-clock > 2010-12-10T11:44:47.082561-08:00 localhost kernel: [ 390.082204] > ADDRCONF(NETDEV_UP): wlan0: link is not ready > 2010-12-10T11:44:47.097526-08:00 localhost udevd[974]: unknown key > 'HOTPLUG' in /etc/udev/rules.d/99-monitor-hotplug.rules:2 > 2010-12-10T11:44:47.268948-08:00 localhost kernel: [ 390.268195] > ops->tx called while down > 2010-12-10T11:44:47.269008-08:00 localhost kernel: [ 390.268207] > ops->tx called while down > 2010-12-10T11:44:47.269035-08:00 localhost kernel: [ 390.268214] > ops->tx called while down > 2010-12-10T11:44:47.269063-08:00 localhost kernel: [ 390.268220] > ops->tx called while down > 2010-12-10T11:44:47.269090-08:00 localhost kernel: [ 390.268226] > ops->tx called while down > 2010-12-10T11:44:47.269117-08:00 localhost kernel: [ 390.268232] > ops->tx called while down > 2010-12-10T11:44:47.269143-08:00 localhost kernel: [ 390.268238] > ops->tx called while down > 2010-12-10T11:44:47.269171-08:00 localhost kernel: [ 390.268244] > ops->tx called while down > 2010-12-10T11:44:47.269197-08:00 localhost kernel: [ 390.268290] > ops->tx called while down > 2010-12-10T11:44:47.269225-08:00 localhost kernel: [ 390.268298] > ops->tx called while down > 2010-12-10T11:44:47.269256-08:00 localhost kernel: [ 390.268306] > ops->tx called while down > 2010-12-10T11:44:47.269285-08:00 localhost kernel: [ 390.268314] > ------------[ cut here ]------------ > 2010-12-10T11:44:47.269318-08:00 localhost kernel: [ 390.268353] > WARNING: at net/mac80211/tx.c:1438 ieee80211_pspoll_get+0x1405/0x1569 > [mac80211]() > 2010-12-10T11:44:47.269348-08:00 localhost kernel: [ 390.268365] > Hardware name: 20040M18 > 2010-12-10T11:44:47.269377-08:00 localhost kernel: [ 390.268373] tx > refused but queue active > 2010-12-10T11:44:47.269427-08:00 localhost kernel: [ 390.268381] > Modules linked in: brcm80211(C) uvcvideo videodev hid_cando tsl2563(C) > industrialio(C) snd_hda_codec_conexant snd_hda_intel mac80211 rtc_cmos > snd_hda_codec serio_raw snd_hwdep tpm_tis tpm snd_pcm cfg80211 > tpm_bios pcspkr xt_mark tg3 wmi i2c_i801 snd_timer nm10_gpio > snd_page_alloc i2c_dev [last unloaded: tpm_bios] > 2010-12-10T11:44:47.269465-08:00 localhost kernel: [ 390.268485] Pid: > 4123, comm: phy0 Tainted: G WC 2.6.35 #1 > 2010-12-10T11:44:47.269495-08:00 localhost kernel: [ 390.268494] Call > Trace: > 2010-12-10T11:44:47.269532-08:00 localhost kernel: [ 390.268517] > [<7902d7da>] warn_slowpath_common+0x6a/0x7f > 2010-12-10T11:44:47.269568-08:00 localhost kernel: [ 390.268547] > [<b86b38c1>] ? ieee80211_pspoll_get+0x1405/0x1569 [mac80211] > 2010-12-10T11:44:47.269601-08:00 localhost kernel: [ 390.268566] > [<7902d862>] warn_slowpath_fmt+0x2b/0x2f > 2010-12-10T11:44:47.269632-08:00 localhost kernel: [ 390.268595] > [<b86b38c1>] ieee80211_pspoll_get+0x1405/0x1569 [mac80211] > 2010-12-10T11:44:47.269666-08:00 localhost kernel: [ 390.268628] > [<b86b3a1d>] ieee80211_pspoll_get+0x1561/0x1569 [mac80211] > 2010-12-10T11:44:47.269702-08:00 localhost kernel: [ 390.268657] > [<b86b23f0>] ? ieee80211_probereq_get+0xdd/0xf1 [mac80211] > 2010-12-10T11:44:47.269737-08:00 localhost kernel: [ 390.268686] > [<b86b3a67>] ieee80211_tx_skb+0x42/0x49 [mac80211] > 2010-12-10T11:44:47.269771-08:00 localhost kernel: [ 390.268714] > [<b86b69e8>] ieee80211_send_probe_req+0xb1/0xc1 [mac80211] > 2010-12-10T11:44:47.269806-08:00 localhost kernel: [ 390.268743] > [<b86a50e9>] ieee80211_scan_work+0x309/0x3b4 [mac80211] > 2010-12-10T11:44:47.269837-08:00 localhost kernel: [ 390.268764] > [<7903ee77>] worker_thread+0x140/0x1b3 > 2010-12-10T11:44:47.269865-08:00 localhost kernel: [ 390.268792] > [<b86a4de0>] ? ieee80211_scan_work+0x0/0x3b4 [mac80211] > 2010-12-10T11:44:47.269955-08:00 localhost kernel: [ 390.268810] > [<7904211f>] ? autoremove_wake_function+0x0/0x34 > 2010-12-10T11:44:47.269989-08:00 localhost kernel: [ 390.268827] > [<7903ed37>] ? worker_thread+0x0/0x1b3 > 2010-12-10T11:44:47.270021-08:00 localhost kernel: [ 390.268841] > [<79041dc9>] kthread+0x64/0x69 > 2010-12-10T11:44:47.270051-08:00 localhost kernel: [ 390.268856] > [<79041d65>] ? kthread+0x0/0x69 > 2010-12-10T11:44:47.270086-08:00 localhost kernel: [ 390.268872] > [<79002d56>] kernel_thread_helper+0x6/0x10 > 2010-12-10T11:44:47.270116-08:00 localhost kernel: [ 390.268883] ---[ > end trace 6d450e935ee1897e ]--- > -- > To unsubscribe from this list: send the line 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