> Il giorno 14 nov 2019, alle ore 09:53, Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx> ha scritto: > > Hi. > > On 13.11.2019 18:42, Paolo Valente wrote: >>> Il giorno 13 nov 2019, alle ore 16:01, Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx> ha scritto: >> Ok, you may have given me enough information, thank you very much. >> Could you please apply the attached (compressed) patch on top of my >> offending patch? For review purposes, here is the simple change: >> --- a/block/bfq-iosched.c >> +++ b/block/bfq-iosched.c >> @@ -2728,7 +2728,8 @@ void bfq_release_process_ref(struct bfq_data >> *bfqd, struct bfq_queue *bfqq) >> * freed when dequeued from service. But this is assumed to >> * never happen. >> */ >> - if (bfq_bfqq_busy(bfqq) && RB_EMPTY_ROOT(&bfqq->sort_list)) >> + if (bfq_bfqq_busy(bfqq) && RB_EMPTY_ROOT(&bfqq->sort_list) && >> + bfqq != bfqd->in_service_queue) >> bfq_del_bfqq_busy(bfqd, bfqq, false); >> bfq_put_queue(bfqq); > > The issue is not reproducible for me after applying this patch. > Great! I'm sending a V2 with your Tested-by. Thank you, Paolo > Thank you. > > -- > Oleksandr Natalenko (post-factum)
