On Tue, 2017-11-21 at 16:39 +0200, Andy Shevchenko wrote: > On Tue, 2017-11-21 at 21:31 +0800, Fengguang Wu wrote: > > On Tue, Nov 21, 2017 at 08:33:57PM +0800, Fengguang Wu wrote:
>>> FYI this happens in mainline kernel 4.14.0-02748-gabc36be. > > > It shows up since v4.13 . > > > > Sorry it actually also shows up in 4.10: >> [ 21.020567] irq 3: nobody cared (try booting with the "irqpoll" > > option) > > [ 21.039171] uart_start+0x73/0xe0 > > [ 21.044977] vfs_write+0xc8/0x1e0 > > [ 21.054662] Disabling IRQ #3 Another question who and why initiates a write to ttyS1 (console seems on ttyS0). -- Andy Shevchenko <andriy.shevche...@linux.intel.com> Intel Finland Oy
