Public bug reported:
Hi,
Since installing a Realtek RTL8188EE based wifi card (TP-Link TL-WN781ND
v3) PCIe advanced error reporting spams my logs with the errors shown
below; these take almost all the CPU time of the machine and rapidly
fill up the kern.log on disk (Many GBs every hour):
Dec 2 19:09:01 robert-System-Product-Name kernel: [ 9.452912] pcieport
0000:00:1c.6: PCIe Bus Error: severity=Corrected, type=Physical Layer,
(Receiver ID)
Dec 2 19:09:01 robert-System-Product-Name kernel: [ 9.452913] pcieport
0000:00:1c.6: device [8086:a33e] error status/mask=00000001/00002000
Dec 2 19:09:01 robert-System-Product-Name kernel: [ 9.452913] pcieport
0000:00:1c.6: [ 0] Receiver Error (First)
I've confirmed that the device connected to that pcie port is the
Realtek card:
robert@robert-System-Product-Name:~$ lspci -tv
-[0000:00]-+-00.0 Intel Corporation 8th Gen Core Processor Host Bridge/DRAM
Registers
+-02.0 Intel Corporation 8th Gen Core Processor Gaussian Mixture
Model
+-14.0 Intel Corporation Cannon Lake PCH USB 3.1 xHCI Host
Controller
+-14.2 Intel Corporation Cannon Lake PCH Shared SRAM
+-16.0 Intel Corporation Cannon Lake PCH HECI Controller
+-17.0 Intel Corporation Cannon Lake PCH SATA AHCI Controller
+-1b.0-[01]--
+-1c.0-[02]--
+-1c.5-[03-04]----00.0-[04]--
+-1c.6-[05]----00.0 Realtek Semiconductor Co., Ltd. RTL8188EE
Wireless Network Adapter
+-1d.0-[06]--
+-1f.0 Intel Corporation Device a308
+-1f.3 Intel Corporation Cannon Lake PCH cAVS
+-1f.4 Intel Corporation Cannon Lake PCH SMBus Controller
+-1f.5 Intel Corporation Cannon Lake PCH SPI Controller
\-1f.6 Intel Corporation Ethernet Connection (7) I219-V
To suppress the errors I've set pci=noaer in my kernel parameters, but I've
been unable to determine root cause. I thought it might be related to ASPM, but
my BIOS configuration has ASPM disabled and my kernel log shows:
Dec 2 18:59:09 robert-System-Product-Name kernel: [ 0.040769] ACPI FADT
declares the system doesn't support PCIe ASPM, so disable it
Dec 2 18:59:09 robert-System-Product-Name kernel: [ 0.153587] acpi
PNP0A08:00: FADT indicates ASPM is unsupported, using BIOS configuration
I'm running Ubuntu 18.10 with Kernel:
Linux version 4.18.0-11-generic (buildd@lcy01-amd64-027) (gcc version 8.2.0
(Ubuntu 8.2.0-7ubuntu1)) #12-Ubuntu SMP Tue Oct 23 19:22:37 UTC 2018
If it helps, lspci -vvv of the Realtek card is below:
05:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8188EE Wireless
Network Adapter (rev 01)
Subsystem: Realtek Semiconductor Co., Ltd. RTL8188EE Wireless Network
Adapter
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 125
Region 0: I/O ports at 3000 [size=256]
Region 2: Memory at a1100000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [40] Power Management version 3
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=1/1 Maskable- 64bit+
Address: 00000000fee02004 Data: 4022
Capabilities: [70] Express (v2) Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <4us, L1
<64us
ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
SlotPowerLimit 10.000W
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 <512ns, 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 Via message/WAKE#
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] Device Serial Number 00-e0-4c-ff-fe-81-91-01
Capabilities: [150 v1] Latency Tolerance Reporting
Max snoop latency: 3145728ns
Max no snoop latency: 3145728ns
Kernel driver in use: rtl8188ee
Kernel modules: rtl8188ee
Regards
Robert Sharp
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: linux-image-4.18.0-11-generic 4.18.0-11.12
ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
Uname: Linux 4.18.0-11-generic x86_64
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: robert 1993 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Sun Dec 2 20:43:17 2018
InstallationDate: Installed on 2018-11-25 (6 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 045e:07a5 Microsoft Corp. Wireless Receiver 1461C
Bus 001 Device 003: ID 0718:0619 Imation Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: System manufacturer System Product Name
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-11-generic
root=UUID=47b0ff6f-787b-493f-9fe3-773a11bd4c48 ro pci=noaer
RelatedPackageVersions:
linux-restricted-modules-4.18.0-11-generic N/A
linux-backports-modules-4.18.0-11-generic N/A
linux-firmware 1.175.1
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/20/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0803
dmi.board.asset.tag: Default string
dmi.board.name: PRIME B360M-C
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0803:bd06/20/2018:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEB360M-C:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: ASUS_MB_CNL
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug cosmic
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https://bugs.launchpad.net/bugs/1806233
Title:
Realtek rtl8188ee wifi card causes PCIe advanced error reporting to
steal CPU and fill up disk
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