Mingcong Bai <jeffbai@xxxxxxx> wrote:
> RTL8723BE found on some ASUSTek laptops, such as F441U and X555UQ with
> subsystem ID 11ad:1723 are known to output large amounts of PCIe AER
> errors during and after boot up, causing heavy lags and at times lock-ups:
>
> pcieport 0000:00:1c.5: AER: Correctable error message received from 0000:00:1c.5
> pcieport 0000:00:1c.5: PCIe Bus Error: severity=Correctable, type=Physical Layer, (Receiver ID)
> pcieport 0000:00:1c.5: device [8086:9d15] error status/mask=00000001/00002000
> pcieport 0000:00:1c.5: [ 0] RxErr
>
> Disable ASPM on this combo as a quirk.
>
> This patch is a revision of a previous patch (linked below) which
> attempted to disable ASPM for RTL8723BE on all Intel Skylake and Kaby Lake
> PCIe bridges. I take a more conservative approach as all known reports
> point to ASUSTek laptops of these two generations with this particular
> wireless card.
>
> Please note, however, before the rtl8723be finishes probing, the AER
> errors remained. After the module finishes probing, all AER errors would
> indeed be eliminated, along with heavy lags, poor network throughput,
> and/or occasional lock-ups.
>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Fixes: a619d1abe20c ("rtlwifi: rtl8723be: Add new driver")
> Reported-by: Liangliang Zou <rawdiamondmc@xxxxxxxxxxx>
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=218127
> Link: https://lore.kernel.org/lkml/05390e0b-27fd-4190-971e-e70a498c8221@xxxxxxxxxxxx/T/
> Tested-by: Liangliang Zou <rawdiamondmc@xxxxxxxxxxx>
> Signed-off-by: Mingcong Bai <jeffbai@xxxxxxx>
1 patch(es) applied to rtw-next branch of rtw.git, thanks.
77a6407c6ab2 wifi: rtlwifi: disable ASPM for RTL8723BE with subsystem ID 11ad:1723
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https://github.com/pkshih/rtw.git
