On 2020-05-20, Joe Korty <joe.korty@xxxxxxxxxxxxxxxxx> wrote: > [5.4-rt] kdb: push 'bt' command output to console immediately. > > The rt patch for 5.4 and 5.2 broke kdb slightly. The kdb > 'bt' command now prints a single line then returns to the > kdb prompt. There is no stack trace being shown. ... > > I have attached a small patch that Seems To Work. It > taps earlier into printk than the official tap does. On LKML a similar patch was recently posted[0]. It would probably be better to follow that (patching vprintk_func and using KDB_MSGSRC_PRINTK). John Ogness [0] https://lkml.kernel.org/r/20200520102233.GC3464@linux-b0ei
