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Old 08-30-2012, 07:22 PM
Carlos Alberto Lopez Perez
Default Bug#672891: WARNING: at drivers/net/wireless/brcm80211/brcmsmac/main.c:8241 brcms_c_wait_for_tx_completion+0x75/0x7f ()


I am hitting this bug also. It usually shows after a few minutes of uptime and it don't shows again.
When it happens the network connectivity seems to stop transferring data and it resumes in a while
without disrupting (not need to reconnect)

Here is the relevant information:

# cat /etc/debian_version

# uname -srvmo
Linux 3.2.0-0.bpo.3-686-pae #1 SMP Thu Aug 23 08:21:41 UTC 2012 i686 GNU/Linux

# apt-cache policy linux-image-$(uname -r)
Installed: 3.2.23-1~bpo60+2
Candidate: 3.2.23-1~bpo60+2
Version table:
*** 3.2.23-1~bpo60+2 0
100 http://backports.debian.org/debian-backports/ squeeze-backports/main i386 Packages
100 /var/lib/dpkg/status

# apt-cache policy firmware-brcm80211
Instalado: 0.35~bpo60+1
Candidato: 0.35~bpo60+1
Táboa de versións:
*** 0.35~bpo60+1 0
100 http://backports.debian.org/debian-backports/ squeeze-backports/non-free i386 Packages
100 /var/lib/dpkg/status
0.28+squeeze1 0
500 http://ftp.es.debian.org/debian/ squeeze/non-free i386 Packages

# lspci -vvv | grep BCM4313 -A44
44:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01)
Subsystem: Hewlett-Packard Company Device 145c
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 19
Region 0: Memory at d0500000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [40] Power Management version 3
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=2 PME-
Capabilities: [58] Vendor Specific Information: Len=78 <?>
Capabilities: [48] MSI: Enable- Count=1/1 Maskable- 64bit+
Address: 0000000000000000 Data: 0000
Capabilities: [d0] Express (v1) Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1 unlimited
ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 128 bytes
DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend-
LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <4us, L1 <64us
ClockPM+ Surprise- LLActRep+ BwNot-
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt- ABWMgmt-
Capabilities: [100 v1] Advanced Error Reporting
UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr-
CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
Capabilities: [13c v1] Virtual Channel
Caps: LPEVC=0 RefClk=100ns PATEntryBits=1
Arb: Fixed- WRR32- WRR64- WRR128-
Ctrl: ArbSelect=Fixed
Status: InProgress-
VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=ff
Status: NegoPending- InProgress-
Capabilities: [160 v1] Device Serial Number 00-00-12-ff-ff-c1-ac-81
Capabilities: [16c v1] Power Budgeting <?>
Kernel driver in use: brcmsmac

# dmesg

[ 6196.254263] ieee80211 phy0: brcms_ops_bss_info_changed: qos enabled: false (implement)
[ 6196.254272] ieee80211 phy0: brcmsmac: brcms_ops_bss_info_changed: disassociated
[ 6196.254278] ieee80211 phy0: brcms_ops_bss_info_changed: arp filtering: enabled false, count 1 (implement)
[ 6196.481463] ------------[ cut here ]------------
[ 6196.481490] WARNING: at /build/buildd-linux_3.2.23-1~bpo60+2-i386-OorA0s/linux-3.2.23/drivers/net/wireless/brcm80211/brcmsmac/main.c:8241 brcms_c_wait_for_tx_completion+0x75/0x7f [brcmsmac]()
[ 6196.481495] Hardware name: HP ProBook 6550b
[ 6196.481497] Modules linked in: ppdev lp rfcomm bridge stp bnep cpufreq_stats cpufreq_powersave cpufreq_userspace speedstep_lib cpufreq_conservative binfmt_misc uinput fuse loop firewire_sbp2 snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_intel i915 snd_hda_codec snd_hwdep snd_pcm snd_seq snd_timer snd_seq_device btusb arc4 drm_kms_helper snd coretemp drm bluetooth uvcvideo crc32c_intel tpm_infineon ac joydev videodev soundcore media i2c_algo_bit aesni_intel i2c_core brcmsmac mac80211 brcmutil cfg80211 crc8 parport_pc parport tpm_tis tpm cordic snd_page_alloc psmouse acpi_cpufreq hp_accel hp_wmi crc16 cryptd battery intel_ips tpm_bios lis3lv02d sparse_keymap rfkill power_supply wmi mperf aes_i586 container processor video pcspkr serio_raw aes_generic input_polldev evdev button ext3 jbd mbcache sg sr_mod sd_mod cdrom crc_t10dif firewire_ohci ahci libahci libata scsi_mod e1000e firewire_core ehci_hcd crc_itu_t sdhci_pci sdhci mmc_core usbcore usb_common thermal thermal_sys [last unloade
d: scsi_wait_scan]
[ 6196.481589] Pid: 296, comm: kworker/u:5 Not tainted 3.2.0-0.bpo.3-686-pae #1
[ 6196.481592] Call Trace:
[ 6196.481603] [<c103b2d1>] ? warn_slowpath_common+0x6a/0x7b
[ 6196.481616] [<f890e9e1>] ? brcms_c_wait_for_tx_completion+0x75/0x7f [brcmsmac]
[ 6196.481622] [<c103b2ef>] ? warn_slowpath_null+0xd/0x10
[ 6196.481634] [<f890e9e1>] ? brcms_c_wait_for_tx_completion+0x75/0x7f [brcmsmac]
[ 6196.481645] [<f89083a1>] ? brcms_ops_flush+0x1f/0x29 [brcmsmac]
[ 6196.481659] [<f88688df>] ? __ieee80211_recalc_idle+0x159/0x178 [mac80211]
[ 6196.481672] [<f8868917>] ? ieee80211_recalc_idle+0x19/0x36 [mac80211]
[ 6196.481684] [<f8864565>] ? ieee80211_sta_connection_lost+0x4f/0x7f [mac80211]
[ 6196.481697] [<f886644d>] ? ieee80211_sta_work+0xc4/0x11e [mac80211]
[ 6196.481703] [<c104e1b1>] ? process_one_work+0x17b/0x258
[ 6196.481716] [<f8869883>] ? ieee80211_teardown_sdata+0xa5/0xa5 [mac80211]
[ 6196.481720] [<c104e381>] ? worker_thread+0xf3/0x1f4
[ 6196.481724] [<c104e28e>] ? process_one_work+0x258/0x258
[ 6196.481729] [<c1051147>] ? kthread+0x63/0x68
[ 6196.481733] [<c10510e4>] ? kthread_worker_fn+0x114/0x114
[ 6196.481740] [<c12d957e>] ? kernel_thread_helper+0x6/0x10
[ 6196.481743] ---[ end trace 00895f857560ff51 ]---
[ 6196.481834] cfg80211: Calling CRDA to update world regulatory domain

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