Re: 5.7 regression: Lots of PCIe AER errors and suspend failure without pcie=noaer

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On Fri, Jul 10, 2020 at 6:23 PM Robert Hancock <hancockrwd@xxxxxxxxx> wrote:
>
> Noticed a problem on my desktop with an Asus PRIME H270-PRO
> motherboard after Fedora 32 upgraded to the 5.7 kernel (now on 5.7.8):
> periodically there are PCIe AER errors getting spewed in dmesg that
> weren't happening before, and this also seems to causes suspend to
> fail - the system just wakes back up again right away, I am assuming
> due to some AER errors interrupting the process. 5.6 kernels didn't
> have this problem. Setting "pcie=noaer" on the kernel command line
> works around the issue, but I'm not sure what would have changed to
> trigger this to occur?

Correction: the workaround option is "pci=noaer".



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