Hi Jussi and bruce
Yocto Bug#10456: X can not launch on qemumips64
I find the kernel 4.4 is ok, and on the latest 4.9 is ok, but on kernel
4.8 is failed.
This is because this commit in linux-yocto-4.8:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
commit d03516df837587368fc6e75591f6329c072b9eb5
Author: Matthew Leach <[email protected]>
Date: Tue Jun 21 16:19:49 2016 +0100
tty: serial: 8250: add CON_CONSDEV to flags
When using the 8250 as a boot console and the main console results in
messages being printed twice. The console framework will only
unregister boot consoles if a new console is registered with the
CON_CONSDEV flag set.
Set this flag for the univ8250 console to prevent double-registration.
Signed-off-by: Matthew Leach <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
diff --git a/drivers/tty/serial/8250/8250_core.c
b/drivers/tty/serial/8250/8250_core.c
index fa823a5..dcf43f6 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -675,7 +675,7 @@ static struct console univ8250_console = {
.device = uart_console_device,
.setup = univ8250_console_setup,
.match = univ8250_console_match,
- .flags = CON_PRINTBUFFER | CON_ANYTIME,
+ .flags = CON_PRINTBUFFER | CON_ANYTIME | CON_CONSDEV,
.index = -1,
.data = &serial8250_reg,
};
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The 4.9 has been reverted it, so backport that reverted patch can fix
this bug, but I don't know why this related to qemumips64?
Thanks
Dengke
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