On 09/12/2014 11:40 AM, Frans Klaver wrote: > I'm not sure. I just reproduced this on a boneblack, using your uart_v9 > branch. > >> This problem only pops-up if you use DMA. With disabled DMA you don't >> see this, right? > > I get the lockup both with and without DMA enabled. Here's the 8250 > config I use. Our full .config is attached in case it may provide > something relevant. Hmm. I have a bone black here. Can you tell what you did to get this lockup? The port configuration (unless 115200 8N1) and what you did to get this lockup. > Something that may also help: when I have a lockup on the boneblack, dma > is enabled and something is written to console like I described earlier, > I get the following bad irq: > Full dmesg is also attached. This one should be stuffed by this: "[RFC] ARM: edma: unconditionally ack the error interrupt" https://lkml.org/lkml/2014/9/10/714 > Hope you find something useful in there. > Thanks, > Frans Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
