Messages in this thread | | | Date | Fri, 29 Jul 2016 10:23:35 +0100 | From | One Thousand Gnomes <> | Subject | Re: [PATCH] 8250: option 'force_polling' for buggy IRQs |
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> Serial consoles are already polled for output. So nothing should > care until userspace starts, and the full serial driver initializes.
At which point it hangs
> So I suspect either "irqfixup" or "irqpoll" would handle this for you. > If not I am certain a small tweak to some of that code would work.
irqfixup won't usually help but irqpoll with HZ=1000 ought to, although it has its own set of problems because not all devices with non shared IRQ lines take kindly to irqpoll.
Alan
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