From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Aring Subject: dhcp nfsroot booting failure on bb white Date: Wed, 12 Aug 2015 10:36:53 +0200 Message-ID: <20150812083629.GA778@omega> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: mugunthanvnm@ti.com To: netdev@vger.kernel.org Return-path: Received: from mail-wi0-f176.google.com ([209.85.212.176]:36417 "EHLO mail-wi0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933557AbbHLIhG (ORCPT ); Wed, 12 Aug 2015 04:37:06 -0400 Received: by wicja10 with SMTP id ja10so104113522wic.1 for ; Wed, 12 Aug 2015 01:37:04 -0700 (PDT) Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: Hi, my beaglebone (white edition) fails to boot via dhcp and nfsroot. The last messages which I see are: ... [ 2.970593] Sending DHCP requests . [ 5.996876] cpsw 4a100000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off then it stucks forever. I reverted the recently cpsw patches: 32a7432c0fb8b0117961bdc7ab256667d039de16 ("drivers: net: cpsw: add separate napi for tx") d354eb85d61803e07831b68d1985cd9cfe2f8b59 ("drivers: net: cpsw: dual_emac: simplify napi usage") 870915feabdc3af5f0ebb72d1fcf96bff01837b0 ("drivers: net: cpsw: remove disable_irq/enable_irq as irq can be masked from cpsw itself") I did a test after each revert, I finally figured out that after reverting the last patch: 870915feabdc3af5f0ebb72d1fcf96bff01837b0 ("drivers: net: cpsw: remove disable_irq/enable_irq as irq can be masked from cpsw itself") it worked again to boot via dhcp nfsroot. My bootparameters are: commandline: console=ttyO0,115200n8 console=ttyO0,115200n8 ip=dhcp root=/dev/nfs nfsroot=$IP:$NFS_EXPORT,v3,tcp - Alex