On 7/17/25 12:46 PM, Baochen Qiang wrote: > > > On 7/17/2025 6:31 PM, Manivannan Sadhasivam wrote: >> On Thu, Jul 17, 2025 at 05:24:13PM GMT, Baochen Qiang wrote: >>
[...] >>> In addition, frequently I can see below AER warnings: >>> >>> [ 280.383143] aer_ratelimit: 30 callbacks suppressed >>> [ 280.383151] pcieport 0000:00:1c.0: AER: Correctable error message >>> received from >>> 0000:00:1c.0 >>> [ 280.383177] pcieport 0000:00:1c.0: PCIe Bus Error: severity=Correctable, >>> type=Data Link >>> Layer, (Transmitter ID) >>> [ 280.383184] pcieport 0000:00:1c.0: device [8086:7ab8] error >>> status/mask=00001000/00002000 >>> [ 280.383193] pcieport 0000:00:1c.0: [12] Timeout >>> >> >> I don't see any AER errors either. > > My WLAN chip is attached via a PCIe-to-M.2 adapter, maybe some hardware > issue? However I > never saw them until your changes applied. It'd be useful to know whether that's a Qualcomm platform running an upstream-ish kernel, or some other host - we've had platform- specific issues in the past and the necessary margining/tuning presets were only introduced recently Konrad
