From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mga11.intel.com ([192.55.52.93]:54032 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751034Ab1JJPQ0 (ORCPT ); Mon, 10 Oct 2011 11:16:26 -0400 From: Wey-Yi Guy To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, Wey-Yi Guy Subject: [PATCH 01/34] iwlagn: add cmd queue pointer info when timeout Date: Mon, 10 Oct 2011 07:26:46 -0700 Message-Id: <1318256839-31837-2-git-send-email-wey-yi.w.guy@intel.com> (sfid-20111010_171631_514879_58FA04B3) In-Reply-To: <1318256839-31837-1-git-send-email-wey-yi.w.guy@intel.com> References: <1318256839-31837-1-git-send-email-wey-yi.w.guy@intel.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: When detect cmd queue time out, display the current read/write pointer Signed-off-by: Wey-Yi Guy --- drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c index ee7059d..f57b868 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c @@ -1013,11 +1013,20 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd) HOST_COMPLETE_TIMEOUT); if (!ret) { if (test_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status)) { + struct iwl_priv *priv = priv(trans); + struct iwl_tx_queue *txq = + &trans_pcie->txq[priv->shrd->cmd_queue]; + struct iwl_queue *q = &txq->q; + IWL_ERR(trans, "Error sending %s: time out after %dms.\n", get_cmd_string(cmd->id), jiffies_to_msecs(HOST_COMPLETE_TIMEOUT)); + IWL_ERR(trans, + "Current CMD queue read_ptr %d write_ptr %d\n", + q->read_ptr, q->write_ptr); + clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); IWL_DEBUG_INFO(trans, "Clearing HCMD_ACTIVE for command" "%s\n", get_cmd_string(cmd->id)); -- 1.7.0.4