my investigation came to same conclusion as #109 (but I'm on 20.04 and
latest kernel, so this is still relevant)
My configuration is as follows.
It there is a need to get more information/logs, please let me know.
--
Dell Latitude 7389
miki@DL-7389:~$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04 LTS"
miki@DL-7389:~$ uname -a
Linux DL-7389 5.4.0-31-generic #35-Ubuntu SMP Thu May 7 20:20:34 UTC 2020
x86_64 x86_64 x86_64 GNU/Linux
dmesg gets spammed by these error reports:
[116522.584941] pcieport 0000:00:1c.0: AER: Corrected error received:
0000:00:1c.0
[116522.584959] pcieport 0000:00:1c.0: AER: PCIe Bus Error: severity=Corrected,
type=Data Link Layer, (Transmitter ID)
[116522.584967] pcieport 0000:00:1c.0: AER: device [8086:9d17] error
status/mask=00001000/00002000
[116522.584973] pcieport 0000:00:1c.0: AER: [12] Timeout
[116533.643718] pcieport 0000:00:1c.0: AER: Corrected error received:
0000:00:1c.0
[116533.643735] pcieport 0000:00:1c.0: AER: PCIe Bus Error: severity=Corrected,
type=Data Link Layer, (Transmitter ID)
[116533.643744] pcieport 0000:00:1c.0: AER: device [8086:9d17] error
status/mask=00001000/00002000
[116533.643751] pcieport 0000:00:1c.0: AER: [12] Timeout
[116559.755644] pcieport 0000:00:1c.0: AER: Corrected error received:
0000:00:1c.0
[116559.755655] pcieport 0000:00:1c.0: AER: PCIe Bus Error: severity=Corrected,
type=Data Link Layer, (Transmitter ID)
[116559.755658] pcieport 0000:00:1c.0: AER: device [8086:9d17] error
status/mask=00001000/00002000
[116559.755660] pcieport 0000:00:1c.0: AER: [12] Timeout
Device causing it seems to be Qualcomm Atheros QCA6174 802.11ac Wireless
Network Adapter:
miki@DL-7389:~$ sudo lspci -t -v
-[0000:00]-+-00.0 Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor
Host Bridge/DRAM Registers
+-02.0 Intel Corporation HD Graphics 620
+-04.0 Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core
Processor Thermal Subsystem
+-13.0 Intel Corporation Sunrise Point-LP Integrated Sensor Hub
+-14.0 Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller
+-14.2 Intel Corporation Sunrise Point-LP Thermal subsystem
+-15.0 Intel Corporation Sunrise Point-LP Serial IO I2C Controller
#0
+-15.1 Intel Corporation Sunrise Point-LP Serial IO I2C Controller
#1
+-15.2 Intel Corporation Sunrise Point-LP Serial IO I2C Controller
#2
+-16.0 Intel Corporation Sunrise Point-LP CSME HECI #1
+-1c.0-[01]----00.0 Qualcomm Atheros QCA6174 802.11ac Wireless
Network Adapter
+-1d.0-[02]----00.0 Toshiba Corporation Device 0116
+-1f.0 Intel Corporation Sunrise Point LPC Controller/eSPI
Controller
+-1f.2 Intel Corporation Sunrise Point-LP PMC
+-1f.3 Intel Corporation Sunrise Point-LP HD Audio
\-1f.4 Intel Corporation Sunrise Point-LP SMBus
lspci -v detailed output for this device (strange that the serial number is
read as zeros):
01:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network
Adapter (rev 32)
Subsystem: Dell QCA6174 802.11ac Wireless Network Adapter
Flags: bus master, fast devsel, latency 0, IRQ 145
Memory at ef000000 (64-bit, non-prefetchable) [size=2M]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable+ Count=1/8 Maskable+ 64bit-
Capabilities: [70] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [148] Virtual Channel
Capabilities: [168] Device Serial Number 00-00-00-00-00-00-00-00
Capabilities: [178] Latency Tolerance Reporting
Capabilities: [180] L1 PM Substates
Kernel driver in use: ath10k_pci
Kernel modules: ath10k_pci
lshw output for this device (here the serial number is visible
correctly, I redacted):
*-pci:0
description: PCI bridge
product: Sunrise Point-LP PCI Express Root Port #8
vendor: Intel Corporation
physical id: 1c
bus info: pci@0000:00:1c.0
version: f1
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master
cap_list
configuration: driver=pcieport
resources: irq:122 memory:ef000000-ef1fffff
*-network
description: Wireless interface
product: QCA6174 802.11ac Wireless Network Adapter
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:01:00.0
logical name: wlp1s0
version: 32
serial: ------redacted------
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet
physical wireless
configuration: broadcast=yes driver=ath10k_pci
driverversion=5.4.0-31-generic firmware=WLAN.RM.4.4.1-00140-QCARMSWPZ-1
ip=192.168.0.58 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:145 memory:ef000000-ef1fffff
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https://bugs.launchpad.net/bugs/1521173
Title:
AER: Corrected error received: id=00e0
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