From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Ts'o Subject: Re: a problem about ext4. Date: Tue, 12 Mar 2013 09:42:29 -0400 Message-ID: <20130312134229.GJ18595@thunk.org> References: <513EDC2B.9020604@gmail.xom> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: zhuyj , linux-ext4@vger.kernel.org To: zhuyj Return-path: Received: from li9-11.members.linode.com ([67.18.176.11]:52843 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753694Ab3CLNmc (ORCPT ); Tue, 12 Mar 2013 09:42:32 -0400 Content-Disposition: inline In-Reply-To: <513EDC2B.9020604@gmail.xom> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Tue, Mar 12, 2013 at 03:41:31PM +0800, zhuyj wrote: > If I use kernel>=3.0, this will not occur. Sounds like this is a problem in 2.6.39 that has since been fixed in newer kernels. > So is this is a bug? Sure looks like it's a bug. :-) There are so many distributions and other old embedded systems, etc., using older kernels that there's just no way that upstream developers can try to debug every single older kernel --- and 2.6.39 isn't even a kernel that is being supported by a volunteer as a long-term supported kernel. See http://www.kernel.org for a list of kernels which are supported as long-term kernels, and even then, please remember that unless fixes are automatically backported, or someone manually backports a fix that doesn't automatically apply to an older kernel, it's not going to happen..... Regards, - Ted P.S. Your problem appears to be completely unrelated to the thread which you replied to. This makes it hard for us to keep track of questions/bug reports which users submit.