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SubjectRe: [igb] netconsole triggers warning in netpoll_poll_dev
On Wed, 7 Apr 2021 08:00:53 +0200 Oleksandr Natalenko wrote:
> Thanks for the effort, but reportedly [1] it made no difference,
> unfortunately.
>
> [1] https://bugzilla.kernel.org/show_bug.cgi?id=212573#c8

The only other option I see is that somehow the NAPI has no rings.

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index a45cd2b416c8..24568adc2fb1 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -7980,7 +7980,7 @@ static int igb_poll(struct napi_struct *napi, int budget)
struct igb_q_vector *q_vector = container_of(napi,
struct igb_q_vector,
napi);
- bool clean_complete = true;
+ bool clean_complete = q_vector->tx.ring || q_vector->rx.ring;
int work_done = 0;

#ifdef CONFIG_IGB_DCA
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