On Tue, 2008-09-23 at 11:18 -0600, Johannes Berg wrote:
> This BUG_ON really shouldn't trigger, but if it does, as on my machine,
> it leaves you wondering what happened because you won't see it. Let's
> instead leak a bit of state and memory and at least make it possible to
> report it to the kerneloops project to track it.
>
> Signed-off-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
Ack for 2.6.27. We are also working on for the root cause btw.
Thanks,
-yi
> ---
>
> --- wireless-testing.orig/drivers/net/wireless/iwlwifi/iwl-tx.c 2008-09-23 13:00:01.096489715 +0200
> +++ wireless-testing/drivers/net/wireless/iwlwifi/iwl-tx.c 2008-09-23 19:07:14.107323109 +0200
> @@ -1200,10 +1200,9 @@ void iwl_tx_cmd_complete(struct iwl_priv
> /* If a Tx command is being handled and it isn't in the actual
> * command queue then there a command routing bug has been introduced
> * in the queue management code. */
> - if (txq_id != IWL_CMD_QUEUE_NUM)
> - IWL_ERROR("Error wrong command queue %d command id 0x%X\n",
> - txq_id, pkt->hdr.cmd);
> - BUG_ON(txq_id != IWL_CMD_QUEUE_NUM);
> + if (WARN(txq_id != IWL_CMD_QUEUE_NUM,
> + "wrong command queue %d, command id 0x%X\n", txq_id, pkt->hdr.cmd))
> + return;
>
> cmd_index = get_cmd_index(&priv->txq[IWL_CMD_QUEUE_NUM].q, index, huge);
> cmd = priv->txq[IWL_CMD_QUEUE_NUM].cmd[cmd_index];
>
>
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