Hi Helge, On 09/23/2014 04:11 PM, Helge Deller wrote: > During the release cycle of v3.17 I've seen sometimes a broken serial console output > on the parisc platform. Interestingly all kernel messages printed by the kernel via printk() show > up correctly, but output from userspace (e.g. by the init process during boot) show > up as random bytes. > Since the printk() output is correct the serial port itself and setup is probably correct. > Is parisc the only arch which has this problem, or are other architectures affected as well? > Maybe someone has an idea what could be wrong? > I did not try to bisect it yet. > > Thanks, > Helge > > Here is a sample output during bootup: > > <lots of standard kernel printk output>... > usb 1-2: Manufacturer: SILITEK > rs > og > ]f" > s l > random: nonblocking pool is initialized > net eth0: Setting full-duplex based on MII#1 link partner capability of 45e1 > tpdsystemd-udevd[744]: starting version 215 > . > eg.. > vp.. > ..Adding 1350652k swap on /dev/sdb6. Priority:-1 extents:1 across:1350652k > . > EXT4-fs (sdb5): re-mounted. Opts: (null) Thanks for the bug report. 1. What serial driver is this? 2. Regression since when? 3. Full dmesg please 4. Output of setserial -a [serial device] 5. Output of stty -a [serial device] Regards, Peter Hurley -- 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
