From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f52.google.com (mail-wm0-f52.google.com [74.125.82.52]) by dpdk.org (Postfix) with ESMTP id E2D481B217 for ; Thu, 9 Nov 2017 18:20:59 +0100 (CET) Received: by mail-wm0-f52.google.com with SMTP id s66so18565596wmf.5 for ; Thu, 09 Nov 2017 09:20:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=weka.io; s=google; h=from:to:reply-to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=mFAU2VpuCmVHz32u1lTdcdtLVpoVlvPAJR3xuSq8rBY=; b=mQl53/lwrUgYi3EJcBOdin52oiXrnjuxlcBvL1+v2T0jYPLCFOJB5hP+HA4kYfkdi+ 1IPEB6banfCESRaC9vEiiTu/rK4XK9c266qKDAloPBDOObq3T8G3JQq90Yul4e8Nv+NQ sibiaS8liPwhJkqIigIRVS5Vl5CTEH9D+5gT0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:reply-to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=mFAU2VpuCmVHz32u1lTdcdtLVpoVlvPAJR3xuSq8rBY=; b=c05YnGrgAEfPuU4XXP+t0UvrHlqTi10qL0XU9XEywGNUoEFlkcGRwwCWrkh207wYun DbObIbYMvZ/sOx8s6+SBdz//H+qqoZDmIhzfXgT5jfB5muLCWhtDVsl359MNMIdJedco W8dZljTFRGqKoEcrNO0BjIHtg7YrozXnC9nVX49jQgEHRoEv7xCd9ix63LOGuqYFEhxg 6GX/xO188HH+Ir7UXzPwY6PHWKi4ivVWdrZVyprj6BKudV5uUcPn0a/mNwiuQQMSuAmH retwXQMlfI51W0sucW3kOEHh7Y5banlDorqn8rlKqmBaIiTr8Nf4h+kjts+PCF9jz38Y 0Yjg== X-Gm-Message-State: AJaThX4DdwybElyfRY/Yytf00ZwD64LTE94pVyYotbWXB3f+9irRpg4x K9e5XW2FKdiC+Nvrf/4YYILR8g== X-Google-Smtp-Source: ABhQp+QwufFPP12XBu3NQ2b+Dm3xUegvzqn8ZPymR3E0czH0ImhnWCG9ploHCI3BbRTiqlSpHM5o0A== X-Received: by 10.80.204.154 with SMTP id q26mr1699498edi.108.1510248059305; Thu, 09 Nov 2017 09:20:59 -0800 (PST) Received: from polaris.localnet (bzq-84-109-69-99.red.bezeqint.net. [84.109.69.99]) by smtp.gmail.com with ESMTPSA id s56sm6676223edm.86.2017.11.09.09.20.58 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 09 Nov 2017 09:20:58 -0800 (PST) From: Gregory Etelson To: Ferruh Yigit Cc: Chas Williams <3chas3@gmail.com>, Thomas Monjalon , stable@dpdk.org, dev@dpdk.org, Jianfeng Tan , Jingjing Wu , Shijith Thotton , Harish Patil , George Prekas , Sergio Gonzalez Monroy , Rasesh Mody , Lee Roberts , Stephen Hemminger Date: Thu, 09 Nov 2017 19:20:56 +0200 Message-ID: <1866566.0zvbrY6xpu@polaris> In-Reply-To: References: <20171103223822.28852-1-ferruh.yigit@intel.com> <2004961.P5XXAOnQC2@xps> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: [dpdk-stable] ugb_uio: r3.8xlarge bind failure X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list Reply-To: gregory@weka.io List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Nov 2017 17:21:00 -0000 Hello, There are some AWS R3.8XLARGE instances that fail to bind Intel 10G VFs with igb_uio [c05cb4f939082]. System dmeg log show this backtrace: igb_uio: probe of 0000:00:05.0 failed with error -16 IRQ handler type mismatch for IRQ 0 current handler: timer Pid: 3619, comm: bash Not tainted 2.6.32-642.15.1.el6.x86_64 #1 Call Trace: [] ? __setup_irq+0x382/0x3c0 [] ? uio_interrupt+0x0/0x48 [uio] [] ? request_threaded_irq+0x133/0x230 [] ? __uio_register_device+0x553/0x610 [uio] [] ? igbuio_pci_probe+0x290/0x47a [igb_uio] [] ? kobject_get+0x1a/0x30 [] ? local_pci_probe+0x17/0x20 [] ? pci_device_probe+0x101/0x120 [] ? driver_sysfs_add+0x62/0x90 [] ? driver_probe_device+0xaa/0x3a0 [] ? driver_bind+0xca/0x110 [] ? drv_attr_store+0x2c/0x30 [] ? sysfs_write_file+0xe5/0x170 [] ? vfs_write+0xb8/0x1a0 [] ? fget_light_pos+0x16/0x50 [] ? sys_write+0x51/0xb0 The VFs can be returned back to kernel ixgbevf driver with no faults. The instances can bind VFs with igb_uio[b58eedfc7dd57] I could not find yet why some R3.8XLARGE instances can bind IXGBE VFs with igb_uio while other fail lspci -vvv -s 0000:00:05.0 00:05.0 Ethernet controller: Intel Corporation 82599 Ethernet Controller Virtual Function (rev 01) Physical Slot: 5 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+ Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR-