rte_timer_reset related issues in DPDK 20.05

[Stephen Hemminger]

On Mon, 6 Nov 2023 10:31:20 +0000
Nagma Meraj <nagma.meraj at tcs.com> wrote:

> TCS Confidential
> 
> Hi,
> 
> We are working on Front Haul Library which is using DPDK internally for data accleration.
> In that we are facing the following issues:
> 1.In Front Haul Library, one of the threads xran_timing_source_thread() is using DPDK rte_timer_reset() where in the timer_add() it is printing negative values in the timer_get_prev_enteries().

Do you have threads fighting over timer?
What context is rte_timer_reset() being called in?


> 2. That is,in  prev[lvl]->sl_next[lvl] = -459511634 is taking negative value in a while loop as in the below code snippet and is going in an infinite loop because of which the above thread is getting stuck here and it is failing. Can we get possible scenarios when this type of errors generally occurs?
> 
> [cid:2e8dda97-6a2a-474d-ba0a-98e7789a4014]
> 
> 
> Thanks & Regards,
> Nagma Meraj
> 
> 
> TCS Confidential
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