From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 9D2D1A0096 for ; Thu, 6 Jun 2019 18:18:52 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 75EE81B9A1; Thu, 6 Jun 2019 18:18:52 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id BF3661B974 for ; Thu, 6 Jun 2019 18:18:50 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Jun 2019 09:18:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,560,1557212400"; d="scan'208";a="182361900" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.26]) ([10.237.221.26]) by fmsmga002.fm.intel.com with ESMTP; 06 Jun 2019 09:18:44 -0700 To: Jerin Jacob Kollanukkaran , "dev@dpdk.org" , Nithin Kumar Dabilpuram , Kiran Kumar Kokkilagadda Cc: Vivek Kumar Sharma References: <20190602152434.23996-1-jerinj@marvell.com> <20190602152434.23996-10-jerinj@marvell.com> <753c0dfd-ef59-9e84-b699-5fa1d6bf0bda@intel.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [EXT] Re: [PATCH v1 09/58] net/octeontx2: add context debug utils X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 6/6/2019 5:04 PM, Jerin Jacob Kollanukkaran wrote: >> -----Original Message----- >> From: Ferruh Yigit >> Sent: Thursday, June 6, 2019 9:12 PM >> To: Jerin Jacob Kollanukkaran ; dev@dpdk.org; Nithin >> Kumar Dabilpuram ; Kiran Kumar Kokkilagadda >> >> Cc: Vivek Kumar Sharma >> Subject: [EXT] Re: [dpdk-dev] [PATCH v1 09/58] net/octeontx2: add context >> debug utils >> On 6/2/2019 4:23 PM, jerinj@marvell.com wrote: >>> From: Jerin Jacob >>> >>> Add RQ,SQ,CQ context and CQE structure dump utils. >>> >>> Signed-off-by: Jerin Jacob >>> Signed-off-by: Vivek Sharma >> >> <...> >> >>> @@ -23,6 +23,9 @@ nix_lf_err_irq(void *param) >>> >>> /* Clear interrupt */ >>> otx2_write64(intr, dev->base + NIX_LF_ERR_INT); >>> + >>> + otx2_nix_queues_ctx_dump(eth_dev); >>> + rte_panic("nix_lf_error_interrupt\n"); >>> } >>> >>> static int >>> @@ -75,6 +78,9 @@ nix_lf_ras_irq(void *param) >>> >>> /* Clear interrupt */ >>> otx2_write64(intr, dev->base + NIX_LF_RAS); >>> + >>> + otx2_nix_queues_ctx_dump(eth_dev); >>> + rte_panic("nix_lf_ras_interrupt\n"); >>> } >>> >>> static int >>> @@ -232,6 +238,9 @@ nix_lf_q_irq(void *param) >>> >>> /* Clear interrupt */ >>> otx2_write64(intr, dev->base + NIX_LF_QINTX_INT(qintx)); >>> + >>> + otx2_nix_queues_ctx_dump(eth_dev); >>> + rte_panic("nix_lf_q_interrupt\n"); >> >> rte_panic() is not allowed in the PMDs, please remove them. > > It an error interrupt handler ie. fatal error and driver can not proceed. > Should I call abort() or simply return ? I think, we can treat this as a > special case for rte_panic() if it is in error interrupt handler. > > Thoughts? Driver may not proceed but perhaps application may, (with a fail-over method etc ... ) a driver shouldn't cause application to exit, app itself should give the decision. I think best thing to do is, deactivate the driver and send some kind of error to the application.