From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from plane.gmane.org ([80.91.229.3]:37103 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753378AbbA2KIu (ORCPT ); Thu, 29 Jan 2015 05:08:50 -0500 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1YGm1h-0005jd-Pg for linux-btrfs@vger.kernel.org; Thu, 29 Jan 2015 11:08:41 +0100 Received: from pd953ef1f.dip0.t-ipconnect.de ([217.83.239.31]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 29 Jan 2015 11:08:41 +0100 Received: from holger.hoffstaette by pd953ef1f.dip0.t-ipconnect.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 29 Jan 2015 11:08:41 +0100 To: linux-btrfs@vger.kernel.org From: Holger =?iso-8859-1?q?Hoffst=E4tte?= Subject: Re: Indefinite hang in reserve_metadata_bytes on kernel 3.18.3 Date: Thu, 29 Jan 2015 10:08:32 +0000 (UTC) Message-ID: References: <868704D3-B79F-476F-A4CF-33C41274E6D4@opentable.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Thu, 29 Jan 2015 01:44:02 +0000, Steven Schlansker wrote: [..snip..] > The symptoms are an endlessly increasing stream of hung tasks and high Please try 3.18.5 (-rc1 is good) which contains the following fix: "workqueue: fix subtle pool management issue which can stall whole worker_pool" see: http://article.gmane.org/gmane.linux.kernel.stable/122074 No promises but it seems sufficiently causally related.. -h