On 05/01/2022 09:27, Wen Gu wrote: > On 2022/1/3 6:36 pm, Karsten Graul wrote: >> On 31/12/2021 10:44, Wen Gu wrote: >>> On 2021/12/29 8:56 pm, Karsten Graul wrote: >>>> On 28/12/2021 16:13, Wen Gu wrote: >>>>> We encountered some crashes caused by the race between the access >>>>> and the termination of link groups. > So I think checking conn->alert_token_local has the same effect with checking conn->lgr to > identify whether the link group pointed by conn->lgr is still healthy and able to be used. Yeah that sounds like a good solution for that! So is it now guaranteed that conn->lgr is always set and this check can really be removed completely, or should there be a new helper that checks conn->lgr and the alert_token, like smc_lgr_valid() ?