Writing eMMC could cause failure of wireless module (via PCI)


#1

Platform: Cyclone V
Condition:

  1. writing eMMC + read data through wireless connection
  2. writing eMMC + read data through wired connection

Phenomenon: wireless interface shows error message
A. Intel 8265NGW
[56291.136209] iwl data: 00000000: 00 00 08 00 27 75 f7 76 06 ab cd ef ff 01 08 00 …'u.v…
[56291.145072] iwl data: 00000010: 45 00 05 dc da 8a 20 b9 40 11 e2 0e c0 a8 0b 64 E… .@…d
[56293.204169] iwlwifi 0000:01:00.0: Error sending STATISTICS_CMD: time out after 2000ms.
[56293.212062] iwlwifi 0000:01:00.0: Current CMD queue read_ptr 27 write_ptr 28
[56293.219972] iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x2000000.
[56293.227807] iwlwifi 0000:01:00.0: Loaded firmware version: 36.e91976c0.0

B. SparkLan WNFO 258ACN
[52840.004163] ath10k_pci 0000:01:00.0: failed to receive scan abortion completion: timed out
[52840.012418] ath10k_pci 0000:01:00.0: failed to abort scan: -110
[52843.030766] ath10k_pci 0000:01:00.0: firmware crashed! (guid n/a)
[52843.036864] ath10k_pci 0000:01:00.0: qca6174 hw3.2 target 0x05030000 chip_id 0x00340aff sub 1dac:0258
[52843.046057] ath10k_pci 0000:01:00.0: kconfig debug 0 debugfs 1 tracing 0 dfs 0 testmode 1
[52843.057823] ath10k_pci 0000:01:00.0: firmware ver WLAN.RM.4.4.1-00079-QCARMSWPZ-1 api 6 features wowlan,ignore-otp crc32 fd869beb
[52843.072106] ath10k_pci 0000:01:00.0: board_file api 2 bmi_id N/A crc32 20d869c3
[52843.079412] ath10k_pci 0000:01:00.0: htt-ver 3.47 wmi-op 4 htt-op 3 cal otp max-sta 32 raw 0 hwcrypto 1