From: Stas Sergeev Subject: Re: Unable to use ext4 as root fs Date: Mon, 02 Nov 2009 12:02:19 +0300 Message-ID: <4AEEA01B.3080904@aknet.ru> References: <4AEDEA68.3080803@aknet.ru> <4AEE3AA4.6000500@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: ext4 To: Eric Sandeen Return-path: Received: from imp01.mtu.ru ([62.5.255.10]:37292 "EHLO imp01.mtu.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753987AbZKBJCN (ORCPT ); Mon, 2 Nov 2009 04:02:13 -0500 In-Reply-To: <4AEE3AA4.6000500@redhat.com> Sender: linux-ext4-owner@vger.kernel.org List-ID: 02.11.2009 04:49, Eric Sandeen wrote: >> --- >> EXT3-fs: sda3: couldn't mount because of unsupported optional features >> (240). >> --- > Depending on your distribution, you may need to fix /etc/fstab to > reflect ext4 as the fs type, or remake your initrd/initramfs - something > in your boot process is trying to mount it explicitly as ext3 ("-o > ext3"), which will of course fail. Thanks Eric, rebuilding initrd worked! It is still quite annoying that something in the initrd makes the latest git kernel to lock up hard after the mount failure (and not for the Fedora kernel), but this is probably unrelated to ext4... Thanks for your help!