Check for starved condition in hfa sequence progression and allow the tail to catch up.
diff --git a/driver-hashfast.c b/driver-hashfast.c
index 96a42f3..0c6e40e 100644
--- a/driver-hashfast.c
+++ b/driver-hashfast.c
@@ -838,6 +838,7 @@ static void hfa_parse_gwq_status(struct cgpu_info *hashfast, struct hashfast_inf
struct hf_header *h)
{
struct hf_gwq_data *g = (struct hf_gwq_data *)(h + 1);
+ bool starved = false;
uint16_t head_job;
struct work *work;
@@ -866,12 +867,14 @@ static void hfa_parse_gwq_status(struct cgpu_info *hashfast, struct hashfast_inf
while (info->device_sequence_tail != info->hash_sequence_tail) {
if (++info->hash_sequence_tail >= info->num_sequence)
info->hash_sequence_tail = 0;
- if (info->hash_sequence_tail == head_job) {
+ if (!starved && info->hash_sequence_tail == head_job) {
applog(LOG_WARNING, "%s %d: Work sequence starved", hashfast->drv->name,
hashfast->device_id);
- break;
+ starved = true;
}
if (unlikely(!(work = info->works[info->hash_sequence_tail]))) {
+ if (starved)
+ continue;
applog(LOG_ERR, "%s %d: Bad work sequence tail %d head %d devhead %d devtail %d sequence %d",
hashfast->drv->name, hashfast->device_id, info->hash_sequence_tail,
info->hash_sequence_head, info->device_sequence_head,