[Buildroot] [PATCH v2 2/5] configs: qemu_riscv32_virt: Upgrade to 4.20 kernel

[Mark Corbin]

Hello Alistair

On 19/03/2019 18:02, Alistair Francis wrote:
> On Tue, Mar 19, 2019 at 8:20 AM Mark Corbin <mark.corbin at embecosm.com> wrote:
>> Hello Alistair
>>
>> On 18/03/2019 21:02, Alistair Francis wrote:
>>> Signed-off-by: Alistair Francis <alistair.francis at wdc.com>
>>> ---
>>>  configs/qemu_riscv32_virt_defconfig | 6 +++---
>>>  1 file changed, 3 insertions(+), 3 deletions(-)
>>>
>>> diff --git a/configs/qemu_riscv32_virt_defconfig b/configs/qemu_riscv32_virt_defconfig
>>> index fb37da6a89..6f9a61b11c 100644
>>> --- a/configs/qemu_riscv32_virt_defconfig
>>> +++ b/configs/qemu_riscv32_virt_defconfig
>>> @@ -10,14 +10,14 @@ BR2_TARGET_GENERIC_GETTY_PORT="ttyS0"
>>>  # Filesystem
>>>  BR2_TARGET_ROOTFS_EXT2=y
>>>
>>> -# Linux headers same as kernel, a 4.15 series
>>> -BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_15=y
>>> +# Linux headers same as kernel, a 4.20 series
>>> +BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_20=y
>>>
>>>  # Kernel
>>>  BR2_LINUX_KERNEL=y
>>>  BR2_LINUX_KERNEL_CUSTOM_GIT=y
>>>  BR2_LINUX_KERNEL_CUSTOM_REPO_URL="https://github.com/riscv/riscv-linux.git"
>>> -BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="fe92d7905c6ea0ebeabeb725b8040754ede7c220"
>>> +BR2_LINUX_KERNEL_CUSTOM_REPO_VERSION="8fe28cb58bcb235034b64cbbb7550a8a43fd88be"
>> I wasn't sure that the 4.20 kernel worked for riscv32 under qemu which
>> is probably why it wasn't bumped from 4.15 in January when the
>> qemu_riscv64_virt_defconfig kernel version was.
>>
>> How did you manage to test this? I've tried both qemu 2.12.0 and 3.1.0
>> and neither version will boot the resulting kernel.
> I just tested this again and here are my results. All running on QEMU
> 3.1.0 and using OpenSBI
>
> With current master + my OpenSBI patches -> I can boot the 4.20
> kernel, but it never gets to a login prompt.

This is what happens for me when I build and test from master - no login
prompt. I guess that it's because your qemu_riscv32_virt_defconfig
kernel version update has been checked-in without the necessary opensbi
or config updates.

Regards

Mark

-- 
Mark Corbin
Embecosm Ltd.
https://www.embecosm.com