Messages in this thread | | | Subject | Re: [PATCH 3/3] x86/quirks: Add parameter to clear MSIs early on boot | From | Sinan Kaya <> | Date | Thu, 18 Oct 2018 16:08:27 -0400 |
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On 10/18/2018 2:37 PM, Guilherme G. Piccoli wrote: > We observed a kdump failure in x86 that was narrowed down to MSI irq > storm coming from a PCI network device. The bug manifests as a lack of > progress in the boot process of kdump kernel, and a flood of kernel > messages like: > > [...] > [ 342.265294] do_IRQ: 0.155 No irq handler for vector > [ 342.266916] do_IRQ: 0.155 No irq handler for vector > [ 347.258422] do_IRQ: 14053260 callbacks suppressed > [...]
These kind of issues are usually fixed by fixing the network driver's shutdown routine to ensure that MSI interrupts are cleared there.
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