Regression: serial: imx: overrun errors on debug UART

Stefan Wahren stefan.wahren at i2se.com
Wed May 24 06:07:26 PDT 2023


Hi Sergey,

Am 23.05.23 um 21:44 schrieb Sergey Organov:
> "Linux regression tracking (Thorsten Leemhuis)"
> <regressions at leemhuis.info> writes:
> 
...
> 
> Solving this would need to identify the cause of interrupts being
> disabled for prolonged times, and nobody volunteered to investigate this
> further. One suspect, the Linux serial console, has been likely excluded
> already though, as not actually being in use for printk() output.
> 

I don't think that we can exclude the serial console as a whole, i never 
made such a observation. But at least we can exclude kernel logging on 
the debug UART.

Best regards



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