Public bug reported:
Package: linux-image-5.4.0.56.lowlatency / Focal Ubuntu Studio 20.04
WLan is working PCI Ethernet not.
[ 11.223573] genirq: Flags mismatch irq 18. 00010080 (enp3s1) vs. 00002080
(uhci_hcd:usb4)
[ 11.299519] genirq: Flags mismatch irq 16. 00010080 (ens32) vs. 00002080
(uhci_hcd:usb5)
Maybe this report can helpfull for bug 1906655. sounds similar for other
kernel.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1906913
Title:
IRQ conflict between Ethernet and USB with linux 5.4.0-56-lowlatency
kernel
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