Messages in this thread | | | Date | Thu, 23 Apr 2020 14:34:37 -0400 | From | Steven Rostedt <> | Subject | Re: [PREEMPT_RT] 8250 IRQ lockup when flooding serial console (was Re: [ANNOUNCE] v5.4.28-rt19) |
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On Thu, 23 Apr 2020 09:06:01 -0400 Steven Rostedt <rostedt@goodmis.org> wrote:
> BTW, I haven't released a new 5.4-rt because the default one is triggering > a large latency somewhere, and makes my tests fail. I'm trying to dig into > the cause when I get time.
Figured it out. Seems that starting with 5.4-rt, PREEMPT_RT now depends on CONFIG_EXPERT, which I didn't have set, and PREEMPT_RT was disabled when using my default config.
Had to add CONFIG_EXPERT to my default config to make it work again.
Starting the tests over....
-- Steve
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