zhihui2015 opened a new issue, #15788:
URL: https://github.com/apache/nuttx/issues/15788
### Description / Steps to reproduce the issue
1. The project version used is NuttX-12.6.0, and the compiler version is
arm-none-eabi-gcc (Arm GNU Toolchain 13.2.rel1 (Build arm-13.7)) 13.2.1
20231009
2. Execute ./tools/configure.sh -l nrf52840-dk:sdc_nimble
3. Execute make, sdk-nrfxlib will be downloaded in the process, and the
nuttx.bin will be generated
4. nuttx.bin the burning is performed, it is found that it cannot be
burned, and after analysis, it is found that the size of the nuttx.bin is
536871168, which is the abnormal size
5. Open the nuttx.bin with jflash, and find that most of the back is 0,
which should be an exception to the construction, and the back should be
useless. After truncate -s 512K nuttx.bin truncate and then burn again, i can
burn normally.
6. Restart after burning, and print as follows
nx_mount: ERROR: target /proc exists and is a special node
ERROR: Failed to mount the PROC filesystem: -20
ERROR: nrf52_sdc_initialize() failed: -1
NuttShell (NSH) NuttX-12.6.0
Why is that? Do I need to download a separate softdevice controller, such
as the S140? Or does nuttx.bin already include a softdevice controller? I'm not
sure.
### On which OS does this issue occur?
[OS: Linux]
### What is the version of your OS?
Ubuntu 20.04 LTS
### NuttX Version
12.6.0
### Issue Architecture
[Arch: arm]
### Issue Area
[Area: Applications]
### Host information
_No response_
### Verification
- [x] I have verified before submitting the report.
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