Hello:
This patch was applied to netdev/net.git (main)
by David S. Miller <davem@xxxxxxxxxxxxx>:
On Wed, 21 Aug 2024 13:42:29 -0700 you wrote:
> The mana_hwc_rx_event_handler() / mana_hwc_handle_resp() calls
> complete(&ctx->comp_event) before posting the wqe back. It's
> possible that other callers, like mana_create_txq(), start the
> next round of mana_hwc_send_request() before the posting of wqe.
> And if the HW is fast enough to respond, it can hit no_wqe error
> on the HW channel, then the response message is lost. The mana
> driver may fail to create queues and open, because of waiting for
> the HW response and timed out.
> Sample dmesg:
> [ 528.610840] mana 39d4:00:02.0: HWC: Request timed out!
> [ 528.614452] mana 39d4:00:02.0: Failed to send mana message: -110, 0x0
> [ 528.618326] mana 39d4:00:02.0 enP14804s2: Failed to create WQ object: -110
>
> [...]
Here is the summary with links:
- [net] net: mana: Fix race of mana_hwc_post_rx_wqe and new hwc response
https://git.kernel.org/netdev/net/c/8af174ea863c
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
