Re: intel-lpss 0000:00:15.1: idma64_irq: status=0x0, millions of lines spamming journal

Wolfram Sang
2023-04-25T05:59:34Z

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CCing the designware maintainers. Not sure if it really is the I2C part
of lpss which regressed, though. There wasn't a change to the driver
since 6.3-rc1. The changes in rc1 seem unrelated to me, but I leave that
to the pros.

On Mon, Apr 24, 2023 at 05:51:15PM -0400, Chris Murphy wrote:
> Downstream bug has dmesg, lspci, acpidump attached
> https://bugzilla.redhat.com/show_bug.cgi?id=2188969
>
> The gist is repeating message:
>
> kernel: intel-lpss 0000:00:15.1: idma64_irq: status=0x0
>
> ~6800 times in a couple seconds, and in a few hours racked up over 3.3 million.
>
> Bug first appears in 6.3.0-0.rc2.20230317git38e04b3e4240.27.fc39.x86_64+debug
> Last good version is 6.3.0-0.rc2.20230315git6015b1aca1a2.25.fc39.x86_64+debug
>
> Bug appears in 6.3.0 release. It does not appear in 6.2 series kernels or older.
>
>
> --
> Chris Murphy

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