Increasing MSYS_1_BLOCK_COUNT to 30 gets it to work, but if I increase it to 40 it doesn’t. Block size being 110.
Any reasoning behind this pattern? Also what would is behaviour of os_mbuf_free? Do I need to re init it again? Sent from my iPhone > On 30-Mar-2018, at 1:58 AM, Christopher Collins <ch...@runtime.io> wrote: > >> On Thu, Mar 29, 2018 at 10:27:36PM +0530, Aditya Xavier wrote: >> Thanks for the tip. Would try that too.. >> >> However, I have tried few variations to check the BLE side ( whether it was >> responsible for truncating ) >> >> 1. I am able to send the same message using encoding only.. i.e. if I >> trigger the same using a button to send over ble. >> i.e. BLE Connection, Button -> Encoding -> BLE Output, works. >> >> 2. The method which receives the char * data, itself receives a truncated >> value. >> BLE Connection, BLE Incoming -> Decoding -> Encoding -> BLE Outgoing, >> does not work. Truncation. >> >> 3. I am able to send the same message using encoding only.. i.e if I trigger >> only the encoding method after receiving a message over BLE. >> i.e. BLE Connection, BLE Incoming -> Encoding -> BLE Outgoing, works. >> >> This kinda makes me feel that it should be a memory issue when its BLE + >> Decoding + Encoding. With or without using mbuf / mbuf_pool >> >> Let me know if you require to see the code, I can write another small test >> app for you. > > I think I understand the sequences you described. I'm afraid I don't > have a good answer. > > Are you checking the return code of the encoding function? If the > system is running out of mbufs during encoding, the function should > return `CborErrorOutOfMemory`, and the mbuf chain will be partially > filled. > > If you are running in gdb, another way to check for mbuf exhaustion is: > ``` > p os_msys_init_1_mempool > ``` > > and look at the `mp_min_free` value. If it is 0, that means the pool > has been exhausted at some point, and it is likely that some allocations > have failed. > > You can also just try increasing the number of mbufs in the system: > ``` > newt target amend <target-name> syscfg=MSYS_1_BLOCK_COUNT=16 > ``` > > (assuming you are currently using the default value of 12; adjust > accordingly if not) > > Chris
