On Tue, May 15, 2012 at 1:41 PM, Corbin <corbinat@xxxxxxxxx> wrote: > Maybe I don't have a complete understanding of what is happening, but > it appears that the software buffer is actually artificially limited > to 65536 bytes in the tty_buffer_alloc function in tty_buffer.c. I ... > On Tue, May 15, 2012 at 11:27 AM, Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote: >> >> It'll occur when the machine cannot even allocate a free page of memory. >> So you'll get GFP spews in the kernel log to go with it. It seems to me that it would be undesirable to allow an ignored TTY device to consume all memory on the system. It makes sense that the TTY layer would limit it to 64K, which is what Corbin observed in his test, but then there should be a mechanism to report that data had been discarded. -Jason Smith -- 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
