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>> >> Looking at the history, this flag was added by the Commit 8f812373d195 >> ("platform/x86: intel: int0002_vgpio: Pass IRQF_ONESHOT to request_irq()") >> to resolve another issue. >> >> Any proposals for solving the WARN_ON? > > Do you have the ACPI interrupt also on the same interrupt on the board > in question? > Looks like it. 9: 1 0 IO-APIC 9-fasteoi acpi, INT0002 == Chaitanya > Sebastian