From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from plane.gmane.org ([80.91.229.3]:32817 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751586AbaJZCCW (ORCPT ); Sat, 25 Oct 2014 22:02:22 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1XiD9w-0006q5-AX for linux-btrfs@vger.kernel.org; Sun, 26 Oct 2014 03:02:20 +0100 Received: from ip68-231-22-224.ph.ph.cox.net ([68.231.22.224]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 26 Oct 2014 03:02:20 +0100 Received: from 1i5t5.duncan by ip68-231-22-224.ph.ph.cox.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sun, 26 Oct 2014 03:02:20 +0100 To: linux-btrfs@vger.kernel.org From: Duncan <1i5t5.duncan@cox.net> Subject: Re: btrfs balance segfault, kernel BUG at fs/btrfs/extent-tree.c:7727 Date: Sun, 26 Oct 2014 02:02:06 +0000 (UTC) Message-ID: References: <20141009141944.GA11525@atrey.karlin.mff.cuni.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Rich Freeman posted on Sat, 25 Oct 2014 21:41:27 -0400 as excerpted: > However, i'm still getting "bdev /dev/sdb2 errs: wr 0, rd 1361, flush 0, > corrupt 0, gen 0" in my dmesg logs. I have tried scrubbing the device > with no errors found. Note that error counts do /not/ reset at boot. The counts are therefore since either the last mkfs, or the last time the error counts were reset manually, and if you know you've had errors (as you did here), all you need to do is take note of the count and ensure it's not increasing unexpectedly. Meanwhile, btrfs device stats can be used to print the error counts on demand and its -z option resets them after that print, thus being the manual reset I mentioned above. So chances are those read errors are the same ones you had previously. As long as the number isn't increasing, you're not registering any further errors. -- Duncan - List replies preferred. No HTML msgs. "Every nonfree program has a lord, a master -- and if you use the program, he is your master." Richard Stallman