Hi Pratyush, > On Dec 7, 2015, at 3:50 AM, Pratyush Anand <panand@xxxxxxxxxx> wrote: > > Hi tty experts, > > One of of our application (related to kdump) is failing because of a kernel > change in tty layer. It fails to start "Kdump Vmcore Save Service" because it is > not able to redirect all standard input/output messages to console (exec &> > /dev/console). What device is /dev/console? What device is stdin/stdout? When do you observe this failure? Regards, Peter Hurley > git bisect shows that "79c1faa4511e tty: Remove > tty_wait_until_sent_from_close()" is the first bad commit. However, reverting > only this patch on top of v4.4-rc3 does not help. Some basic debugging of tty > driver shows that tty_reopen() fails with -EIO (tty->count was 0), when the > problem arises. > > Please, let me know if you see a reason for this failure. > > Thanks > > ~Pratyush > > PS: Please keep me in cc, as I am not subscribed to linux-serial mailing list -- 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
