Hi,
After upgrading from v4.6 to v4.7-rc3 I'm starting to see following
warnings constantly being printed by ath driver:
[ 6.761789] ath: phy0: ASPM enabled: 0x43
[ 6.761794] ath: EEPROM regdomain: 0x6a
[ 6.761796] ath: EEPROM indicates we should expect a direct regpair map
[ 6.761799] ath: Country alpha2 being used: 00
[ 6.761800] ath: Regpair used: 0x6a
[ 6.773482] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
[ 6.774048] ieee80211 phy0: Atheros AR9462 Rev:3 mem=0xffffc90000b00000, irq=19
[ 6.774054] ------------[ cut here ]------------
[ 6.774070] WARNING: CPU: 1 PID: 103 at drivers/net/wireless/ath/ath9k/hw.c:2778 ath9k_hw_gpio_get+0x161/0x1b0 [ath9k_hw]
[ 6.774115] Modules linked in: arc4 rt2x00lib ath9k(+) crc_itu_t ath9k_common ath9k_hw mac80211 snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel snd_hda_codec x86_pkg_temp_thermal coretemp snd_hwdep kvm_intel snd_hda_core ath kvm iTCO_wdt cfg80211 vfat snd_seq fat iTCO_vendor_support acer_wmi hid_multitouch irqbypass sparse_keymap snd_seq_device crct10dif_pclmul crc32_pclmul crc32c_intel snd_pcm ghash_clmulni_intel snd_timer rfkill mei_me i2c_i801 snd mei shpchp soundcore lpc_ich i2c_designware_platform dw_dmac wmi dw_dmac_core gpio_lynxpoint i2c_designware_core rtsx_usb_sdmmc rtsx_usb mfd_core i915 i2c_algo_bit drm_kms_helper drm sdhci_acpi sdhci serio_raw r8169 mmc_core mii video i2c_hid
[ 6.774118] CPU: 1 PID: 103 Comm: kworker/1:1 Not tainted 4.7.0-rc3+ #40
[ 6.774120] Hardware name: Acer Aspire V3-371/Aspire V3-371, BIOS V1.12 09/05/2014
[ 6.774126] Workqueue: events_power_efficient rfkill_poll [rfkill]
[ 6.774130] 0000000000000286 0000000025917c2d ffff880156dabd30 ffffffff813c4c93
[ 6.774133] 0000000000000000 0000000000000000 ffff880156dabd70 ffffffff810a1c0b
[ 6.774137] 00000ada25917c2d ffff88009ba94028 000000000000000b ffff88003fb18720
[ 6.774138] Call Trace:
[ 6.774145] [<ffffffff813c4c93>] dump_stack+0x65/0x92
[ 6.774149] [<ffffffff810a1c0b>] __warn+0xcb/0xf0
[ 6.774153] [<ffffffff810a1d3d>] warn_slowpath_null+0x1d/0x20
[ 6.774160] [<ffffffffa06b8521>] ath9k_hw_gpio_get+0x161/0x1b0 [ath9k_hw]
[ 6.774169] [<ffffffffa0531333>] ath9k_rfkill_poll_state+0x33/0x60 [ath9k]
[ 6.774190] [<ffffffffa061ff4a>] ieee80211_rfkill_poll+0x2a/0x30 [mac80211]
[ 6.774205] [<ffffffffa034899a>] cfg80211_rfkill_poll+0x2a/0xf0 [cfg80211]
[ 6.774208] [<ffffffffa02ba2c4>] rfkill_poll+0x24/0x50 [rfkill]
[ 6.774211] [<ffffffff810bb70b>] process_one_work+0x15b/0x440
[ 6.774213] [<ffffffff810bba3e>] worker_thread+0x4e/0x480
[ 6.774215] [<ffffffff810bb9f0>] ? process_one_work+0x440/0x440
[ 6.774217] [<ffffffff810bb9f0>] ? process_one_work+0x440/0x440
[ 6.774220] [<ffffffff810c1668>] kthread+0xd8/0xf0
[ 6.774222] [<ffffffff8179783f>] ret_from_fork+0x1f/0x40
[ 6.774225] [<ffffffff810c1590>] ? kthread_worker_fn+0x160/0x160
[ 6.774227] ---[ end trace 06d3bff20c580235 ]---
[ 6.774228] ------------[ cut here ]------------
[ 6.774234] WARNING: CPU: 1 PID: 103 at drivers/net/wireless/ath/ath9k/hw.c:2798 ath9k_hw_gpio_get+0xc0/0x1b0 [ath9k_hw]
[ 6.774255] Modules linked in: arc4 rt2x00lib ath9k(+) crc_itu_t ath9k_common ath9k_hw mac80211 snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel snd_hda_codec x86_pkg_temp_thermal coretemp snd_hwdep kvm_intel snd_hda_core ath kvm iTCO_wdt cfg80211 vfat snd_seq fat iTCO_vendor_support acer_wmi hid_multitouch irqbypass sparse_keymap snd_seq_device crct10dif_pclmul crc32_pclmul crc32c_intel snd_pcm ghash_clmulni_intel snd_timer rfkill mei_me i2c_i801 snd mei shpchp soundcore lpc_ich i2c_designware_platform dw_dmac wmi dw_dmac_core gpio_lynxpoint i2c_designware_core rtsx_usb_sdmmc rtsx_usb mfd_core i915 i2c_algo_bit drm_kms_helper drm sdhci_acpi sdhci serio_raw r8169 mmc_core mii video i2c_hid
[ 6.774257] CPU: 1 PID: 103 Comm: kworker/1:1 Tainted: G W 4.7.0-rc3+ #40
[ 6.774258] Hardware name: Acer Aspire V3-371/Aspire V3-371, BIOS V1.12 09/05/2014
[ 6.774261] Workqueue: events_power_efficient rfkill_poll [rfkill]
[ 6.774263] 0000000000000286 0000000025917c2d ffff880156dabd30 ffffffff813c4c93
[ 6.774264] 0000000000000000 0000000000000000 ffff880156dabd70 ffffffff810a1c0b
[ 6.774266] 00000aee25917c2d ffff88009ba94028 000000000000000b ffff88003fb18720
[ 6.774266] Call Trace:
[ 6.774269] [<ffffffff813c4c93>] dump_stack+0x65/0x92
[ 6.774271] [<ffffffff810a1c0b>] __warn+0xcb/0xf0
[ 6.774273] [<ffffffff810a1d3d>] warn_slowpath_null+0x1d/0x20
[ 6.774279] [<ffffffffa06b8480>] ath9k_hw_gpio_get+0xc0/0x1b0 [ath9k_hw]
[ 6.774285] [<ffffffffa0531333>] ath9k_rfkill_poll_state+0x33/0x60 [ath9k]
[ 6.774304] [<ffffffffa061ff4a>] ieee80211_rfkill_poll+0x2a/0x30 [mac80211]
[ 6.774322] [<ffffffffa034899a>] cfg80211_rfkill_poll+0x2a/0xf0 [cfg80211]
[ 6.774326] [<ffffffffa02ba2c4>] rfkill_poll+0x24/0x50 [rfkill]
[ 6.774332] [<ffffffff810bb70b>] process_one_work+0x15b/0x440
[ 6.774335] [<ffffffff810bba3e>] worker_thread+0x4e/0x480
[ 6.774339] [<ffffffff810bb9f0>] ? process_one_work+0x440/0x440
[ 6.774343] [<ffffffff810bb9f0>] ? process_one_work+0x440/0x440
[ 6.774347] [<ffffffff810c1668>] kthread+0xd8/0xf0
[ 6.774351] [<ffffffff8179783f>] ret_from_fork+0x1f/0x40
[ 6.774355] [<ffffffff810c1590>] ? kthread_worker_fn+0x160/0x160
[ 6.774376] ---[ end trace 06d3bff20c580236 ]---
This is Acer Aspire V13 laptop and the device in question looks like
below. Any ideas?
I did not yet bisect this but I can do that if needed. Probably has
something to do with commit a01ab81b09c55025365c1de1345b941a18e05529
("ath9k: define correct GPIO numbers and bits mask") and related.
Thanks.
02:00.0 Network controller: Qualcomm Atheros AR9462 Wireless Network Adapter (rev 01)
Subsystem: Lite-On Communications Inc Device 0802
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 b0500000 (64-bit, non-prefetchable) [size=512K]
Expansion ROM at b0580000 [disabled] [size=64K]
Capabilities: [40] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [50] MSI: Enable- Count=1/4 Maskable+ 64bit+
Address: 0000000000000000 Data: 0000
Masking: 00000000 Pending: 00000000
Capabilities: [70] Express (v2) Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s unlimited, L1 <64us
ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop-
MaxPayload 128 bytes, MaxReadReq 512 bytes
DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend-
LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <4us, L1 <64us
ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp-
LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes Disabled- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
DevCap2: Completion Timeout: Not Supported, TimeoutDis+, LTR-, OBFF Not Supported
DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, OBFF Disabled
LnkCtl2: Target Link Speed: 2.5GT/s, EnterCompliance- SpeedDis-
Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
Compliance De-emphasis: -6dB
LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete-, EqualizationPhase1-
EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest-
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: [140 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 00-00-00-00-00-00-00-00
Kernel driver in use: ath9k
Kernel modules: ath9k
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