[U-Boot] [PATCH 01/15] sandbox: Unprotect DATA regions in bus tests

[Alexander Graf]

On 29.09.18 20:29, Simon Glass wrote:
> Hi Alex,
> 
> On 23 September 2018 at 23:34, Alexander Graf <agraf at suse.de> wrote:
>>
>>
>> On 24.09.18 00:47, Simon Glass wrote:
>>> On my Ubuntu 18.04.1 machine two driver-model bus tests have started
>>> failing recently. The problem appears to be that the DATA region of the
>>
>> Are you sure it's .data and not .rodata?
>>
>> The linker script should really put all those lists into its own
>> section, so I'm not sure how you end up with them getting write
>> protected. Can you please run
> 
> It doesn't happen on my normal computer, but I upgraded one to Ubuntu
> 18.04 and noticed this. It's a bit odd, but I wonder if it is deciding
> that the section name means it is rodata?
> 
>>
>>   $ objdump -h u-boot
>>
>> on your broken binary? Also do
>>
>>   $ nm u-boot | grep .u_boot_list
>>
>> so we can correlate whether the symbols ended up in the correct section.
> 
> Yes, please see below.

All the list symbols are in the u_boot_list section which is writable. I
don't know why it wouldn't work.

Have you figured out why it breaks for you?


Alex