From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx.exactcode.de ([144.76.154.42]:57544 "EHLO mx.exactcode.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750716AbeDPPKU (ORCPT ); Mon, 16 Apr 2018 11:10:20 -0400 Received: from exactco.de ([90.187.5.221]) by mx.exactcode.de with esmtp (Exim 4.82) (envelope-from ) id 1f85V4-0008O4-H6 for linux-btrfs@vger.kernel.org; Mon, 16 Apr 2018 14:52:58 +0000 Received: from [192.168.2.174] (helo=[192.168.2.174]) by exactco.de with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.54) id 1f84Ta-00066F-CJ for linux-btrfs@vger.kernel.org; Mon, 16 Apr 2018 13:47:27 +0000 From: =?windows-1252?Q?Ren=E9_Rebe?= Content-Type: text/plain; charset=windows-1252 Subject: Kernel unaligned access at ... btrfs_real_readdir+0x51c/0x718 [btrfs] Message-Id: Date: Mon, 16 Apr 2018 16:52:16 +0200 To: linux-btrfs@vger.kernel.org Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hi, I just installed the latest #t2sde test build on a sparc64 system with btrfs rootfs - you know, just for the fun of testing, and in contrast to my x86 and ppc systems I get tons of unaligned access warnings, in the form of: [ 0.000000] Btrfs loaded, crc32c=crc32c-generic [ 0.000000] BTRFS: device fsid c84acf49-452a-4ed3-ae86-576975967db5 devid 1 transid 42 /dev/sda3 [ 0.000000] BTRFS info (device sda3): disk space caching is enabled [ 0.000000] BTRFS info (device sda3): has skinny extents [ 0.000000] Kernel unaligned access at TPC[102f3080] btrfs_real_readdir+0x51c/0x718 [btrfs] [ 0.000000] Kernel unaligned access at TPC[102f30dc] btrfs_real_readdir+0x578/0x718 [btrfs] [ 0.000000] Kernel unaligned access at TPC[102f313c] btrfs_real_readdir+0x5d8/0x718 [btrfs] [ 0.000000] Kernel unaligned access at TPC[102f31a0] btrfs_real_readdir+0x63c/0x718 [btrfs] [ 0.000000] Kernel unaligned access at TPC[102f3080] btrfs_real_readdir+0x51c/0x718 [btrfs] [ 0.000000] log_unaligned: 38289 callbacks suppressed [ 0.000000] Kernel unaligned access at TPC[102f3080] btrfs_real_readdir+0x51c/0x718 [btrfs] [ 0.000000] Kernel unaligned access at TPC[102f30dc] btrfs_real_readdir+0x578/0x718 [btrfs] [ 0.000000] Kernel unaligned access at TPC[102f313c] btrfs_real_readdir+0x5d8/0x718 [btrfs] [ 0.000000] Kernel unaligned access at TPC[102f31a0] btrfs_real_readdir+0x63c/0x718 [btrfs] [ 0.000000] Kernel unaligned access at TPC[102f3080] btrfs_real_readdir+0x51c/0x718 [btrfs] [ 0.000000] log_unaligned: 112774 callbacks suppressed in case some someone likes to address those, or has a quick patch to test, … just let me know ;-) Greetings, René Rebe -- ExactCODE GmbH, Lietzenburger Str. 42, DE-10789 Berlin http://exactcode.com | http://exactscan.com | http://ocrkit.com | http://t2-project.org | http://rene.rebe.de