From mboxrd@z Thu Jan 1 00:00:00 1970 From: "tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" Subject: Re: 3.5-rc3: BUG: Dentry still in use (1) [unmount of cgroup cgroup] Date: Wed, 27 Jun 2012 11:29:03 -0700 Message-ID: <20120627182903.GP15811@google.com> References: Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=u8nBV/YVDHI2ic1fTsJ2jIkwrviqnp8JOAjRuzpRScI=; b=kTlbq6nS6Jprvd3K1l0oaYsJEitZVdNCoctK/7GHbvUG+FABsM0JBBZq4M6Fdw0d0f P80AKcj/VSM8ggkZfKRmXLnm1je9fFU1OrZ1SFP3qeUUwv333RfzkDoSy6BmOzn2TDZN dkvFKBjW0Nkt64D+w3vRLqc68ex5/fhoAUbb3oa49RJFQVBdV6XOJZaWFVf9CqwEqGqv gqawIy+PkF99syM0qSTbUTUorTKzIoETqovK1nydIoYcjHm7CL+wTo312IA0nuEVBjbI J5hzgceM8pi4pq5OvXIkyTKQ8n11dBXMPjY8ovyZm6KbH600bdz95zzKmpb2W4OoPhY+ IkqQ== Content-Disposition: inline In-Reply-To: Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: shyju pv Cc: "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Sanil kumar , Masanari Iida , Li Zefan On Sun, Jun 24, 2012 at 07:08:07PM +0000, shyju pv wrote: > Hi, > Observed a crash on 3.5-rc3 with cgroup tests from LTP(Stable April,2012 release)on Dell Inspiron 1526[Intel(R) Core2Duo T7250, MEM 4GB] and also on another x86 quad core target(4GB RAM). > LTP test case: cgroup_regression_test.sh(test 4,7 and 9 crashes randomly when the test cases are executed in order) > Shyju > > [ 532.805905] BUG: Dentry ffff8801164db490{i=491b,n=/} still in use (1) [unmount of cgroup cgrou Hmm... fa980ca87d "cgroup: superblock can't be released with active dentries" is supposed to have fixed that. Looking into it. Thanks. -- tejun From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756740Ab2F0S3L (ORCPT ); Wed, 27 Jun 2012 14:29:11 -0400 Received: from mail-pz0-f46.google.com ([209.85.210.46]:42623 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753251Ab2F0S3I (ORCPT ); Wed, 27 Jun 2012 14:29:08 -0400 Date: Wed, 27 Jun 2012 11:29:03 -0700 From: "tj@kernel.org" To: shyju pv Cc: "linux-kernel@vger.kernel.org" , "cgroups@vger.kernel.org" , Sanil kumar , Masanari Iida , Li Zefan Subject: Re: 3.5-rc3: BUG: Dentry still in use (1) [unmount of cgroup cgroup] Message-ID: <20120627182903.GP15811@google.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jun 24, 2012 at 07:08:07PM +0000, shyju pv wrote: > Hi, > Observed a crash on 3.5-rc3 with cgroup tests from LTP(Stable April,2012 release)on Dell Inspiron 1526[Intel(R) Core2Duo T7250, MEM 4GB] and also on another x86 quad core target(4GB RAM). > LTP test case: cgroup_regression_test.sh(test 4,7 and 9 crashes randomly when the test cases are executed in order) > Shyju > > [ 532.805905] BUG: Dentry ffff8801164db490{i=491b,n=/} still in use (1) [unmount of cgroup cgrou Hmm... fa980ca87d "cgroup: superblock can't be released with active dentries" is supposed to have fixed that. Looking into it. Thanks. -- tejun