[OpenWrt-Devel] [PATCH] x86: update to kernel 3.18

[Felix Fietkau]

On 2015-03-14 00:50, Russell Senior wrote:
>>>>>> "John" == John Crispin <blogic at openwrt.org> writes:
> 
> John> Hi Russel, can you also send a boot log of the failing soekris so
> John> we can see if we have an idea on how to fix it ?
> 
> The failure is on Soekris net48xx (I am testing net4826, specifically).
> 
> Typically, the boot either hangs or resets immediately after Grub attempts to boot
> the kernel, after:
> 
>   Booting `OpenWrt'
> 
> 
> If I: 
>   a) use the serial console to 'edit' the boot option, then launch with Ctrl-x;
> 
> or 
> 
>   b) edit (e.g. by mounting /dev/sda1 at /mnt and then 
>      vi /mnt/boot/grub/grub.cfg) grub.cfg to remove the first two lines:
> 
>        serial --unit=0 --speed=19200 --word=8 --parity=no --stop=1
>        terminal_input serial; terminal_output serial
> 
> then it boots and runs mostly normally.  There may be a clock problem,
> as the boot seems slow.  The bootlog after employing option (b) above,
> looks like this:
> 
>   https://personaltelco.net/~russell/net4826-after-grub.cfg-edit-boot.log
Please try this:
---
--- a/target/linux/x86/image/Makefile
+++ b/target/linux/x86/image/Makefile
@@ -32,7 +32,7 @@ GRUB_SERIAL:=$(call qstrip,$(CONFIG_GRUB_SERIAL))
 
 ifneq ($(GRUB_SERIAL),)
   GRUB_CONSOLE_CMDLINE += console=$(GRUB_SERIAL),$(CONFIG_GRUB_BAUDRATE)n8
-  GRUB_SERIAL_CONFIG := serial --unit=0 --speed=$(CONFIG_GRUB_BAUDRATE) --word=8 --parity=no --stop=1
+  GRUB_SERIAL_CONFIG := serial --unit=0 --speed=$(CONFIG_GRUB_BAUDRATE) --word=8 --parity=no --stop=1 --rtscts=off
   GRUB_TERMINALS += serial
 endif
 
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