From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 881DFC433EF for ; Fri, 11 Mar 2022 20:22:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351126AbiCKUXX (ORCPT ); Fri, 11 Mar 2022 15:23:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231236AbiCKUXV (ORCPT ); Fri, 11 Mar 2022 15:23:21 -0500 Received: from mx.ewheeler.net (mx.ewheeler.net [173.205.220.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 248841AAFDF for ; Fri, 11 Mar 2022 12:22:18 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by mx.ewheeler.net (Postfix) with ESMTP id 50B9239; Fri, 11 Mar 2022 12:22:17 -0800 (PST) X-Virus-Scanned: amavisd-new at ewheeler.net Received: from mx.ewheeler.net ([127.0.0.1]) by localhost (mx.ewheeler.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id DiMjgWXwl2l1; Fri, 11 Mar 2022 12:22:16 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx.ewheeler.net (Postfix) with ESMTPSA id 5ED3681; Fri, 11 Mar 2022 12:22:16 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 mx.ewheeler.net 5ED3681 Date: Fri, 11 Mar 2022 12:22:14 -0800 (PST) From: Eric Wheeler To: Kent Overstreet cc: linux-bcachefs@vger.kernel.org Subject: Re: bcachefs: Kernel panic - not syncing: trans path oveflow In-Reply-To: <20220311185655.idsjt7opl5stclu5@moria.home.lan> Message-ID: References: <6bc8aca6-2f93-4a81-376-13155fcc5d7@ewheeler.net> <20220311185655.idsjt7opl5stclu5@moria.home.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Precedence: bulk List-ID: X-Mailing-List: linux-bcachefs@vger.kernel.org On Fri, 11 Mar 2022, Kent Overstreet wrote: > On Thu, Mar 10, 2022 at 02:25:29PM -0800, Eric Wheeler wrote: > > On Wed, 9 Mar 2022, Kent Overstreet wrote: > > > > > On Wed, Mar 09, 2022 at 01:14:58PM -0800, Eric Wheeler wrote: > > > > Hi Kent, > > > > > > > > We just started testing bcachefs snapshots this week: we have a bunch of > > > > mysql replicas, each in its own subvolume. Every 4 hours we stop mysql, > > > > run a subvolume snapshot and restart mysql, so it gets lots of snapshot > > > > and sync IO from the many database instances. > > > > > > Cool! Would love to hear any comments you've got so far. > > > > Happy to. So far we've hit this bug...but once that is fixed I'm curious > > how it will compare to btrfs, which has just become too slow... > > I think I've got a fix for this up - let me know if it works for you > Thanks, we will! -- Eric Wheeler