Yan, On Wed, Sep 30 2020 at 21:29, Zi Yan wrote: > I am running linux-next on my Dell R630 and the system crashed at boot > time. I bisected linux-next and got to your commit: > > x86/msi: Consolidate MSI allocation > > The crash log is below and my .config is attached. > > [ 11.840905] intel_get_irq_domain+0x24/0xb0 > [ 11.840905] native_setup_msi_irqs+0x3b/0x90 This is not really helpful because that's in the middle of the queue and that code is gone at the very end. Yes, it's unfortunate that this breaks bisection. Can you please test: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/irq which contains fixes and if it still crashes provide the dmesg of it. Thanks, tglx