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

Chris Murphy
2023-04-24T21:51:40Z

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