From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 2 Sep 2001 04:55:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 2 Sep 2001 04:55:43 -0400 Received: from smtp8.xs4all.nl ([194.109.127.134]:60904 "EHLO smtp8.xs4all.nl") by vger.kernel.org with ESMTP id ; Sun, 2 Sep 2001 04:55:31 -0400 From: thunder7@xs4all.nl Date: Sun, 2 Sep 2001 10:55:38 +0200 To: parisc-linux@lists.parisc-linux.org Cc: linux-kernel@vger.kernel.org Subject: documented Oops running big-endian reiserfs on parisc architecture Message-ID: <20010902105538.A15344@middle.of.nowhere> Reply-To: thunder7@xs4all.nl Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.20i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Well, I watched the number of files in /lost+found grow every time I had to pull the plug from my HP C200, so I added a 'sync' option in /etc/fstab and tried to get reiserfs working. I patched my 2.4.9-pa13 kernel with endian-safe-reiserfs-for-2.4.8.patch which went without warnings or errors. A patched reiserfs-progs-3.x.0k-pre9 also built well (despite what the configure scripts says, you _need_ automake). Creating a reiserfs-partition went without a hitch. running bonnie -s 128 on it did this: Adding Swap: 1041400k swap-space (priority -1) eth0: Setting half-duplex based on MII#1 link partner capability of 0021. reiserfs: checking transaction log (device 08:03) ... Using r5 hash to sort names ReiserFS version 3.6.25 bonnie[163]: Unaligned data reference 28 YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI PSW: 00000000000001001111111100001110 r0-3 00000000 102ec550 10197d0c 26f24838 r4-7 26f24848 27054e40 00000011 00000020 r8-11 0000000a 26f06580 00000020 26f247a0 r12-15 27088d1c ffffffff 26f24838 00000001 r16-19 26f24708 faf02c68 0006a248 26f24852 r20-23 0000000f 00000003 03000000 00000002 r24-27 0000000a 0000000a 26f24848 102d4010 r28-31 26f24848 01000000 26f24b40 10196fc8 sr0-3 00000000 00000004 00000000 00000004 sr4-7 00000000 00000000 00000000 00000000 IASQ: 00000000 00000000 IAOQ: 10197d10 10197d14 IIR: 0c7c1093 ISR: 00000000 IOR: 26f24846 ORIG_R28: 00000000 pa8200:/var/log# After reading in the archives about ksymoops, I looked up this part of my System.map: 101979e0 T reiserfs_lookup 101979e0 t .L1432 10197ad4 t reiserfs_add_entry 10197e50 t .L1512 10197f28 t .L1510 10198068 T reiserfs_create objdump -d /boot/linux-2.4.9-pa13 revealed: 10197cbc: d6 d6 0b 18 depw,z r22,7,8,r22 10197cc0: d6 b5 0a 10 depw,z r21,15,16,r21 10197cc4: 41 33 01 fe ldb ff(sr0,r9),r19 10197cc8: 0a d5 02 75 or r21,r22,r21 10197ccc: d6 94 09 08 depw,z r20,23,24,r20 10197cd0: 0a b4 02 74 or r20,r21,r20 10197cd4: 0a 93 02 73 or r19,r20,r19 10197cd8: d2 75 18 f8 extrw,u r19,7,8,r21 10197cdc: d2 74 19 f8 extrw,u r19,15,8,r20 10197ce0: 0c 73 12 16 stb r19,b(sr0,r3) 10197ce4: d2 73 1a f8 extrw,u r19,23,8,r19 10197ce8: 0c 75 12 10 stb r21,8(sr0,r3) 10197cec: 0c 74 12 12 stb r20,9(sr0,r3) 10197cf0: e8 86 a9 e4 b,l 102a51e8 ,%r2 10197cf4: 0c 73 12 14 stb r19,a(sr0,r3) 10197cf8: 08 06 02 59 copy r6,r25 10197cfc: 08 04 02 5a copy r4,r26 10197d00: d7 20 1c 1d depwi 0,31,3,r25 10197d04: e8 0d a5 d8 call 101b1ff8 10197d08: 08 08 02 58 copy r8,r24 10197d0c: 00 01 0e 74 rsm 1,r20 10197d10: 0c 7c 10 93 ldw e(sr0,r3),r19 10197d14: d6 60 1f 1f depwi 0,7,1,r19 10197d18: 0c 73 12 9c stw r19,e(sr0,r3) 10197d1c: 00 14 18 60 mtsm r20 10197d20: 85 e0 26 32 cmpib,=,n 0,r15,10198040 <.L1510+0x118> 10197d24: 00 01 0e 74 rsm 1,r20 10197d28: 0c 7c 10 93 ldw e(sr0,r3),r19 10197d2c: d6 7f 1f 5f depwi -1,5,1,r19 10197d30: 0c 73 12 9c stw r19,e(sr0,r3) 10197d34: 00 14 18 60 mtsm r20 10197d38: 08 00 02 54 copy r0,r20 10197d3c: 08 00 02 55 copy r0,r21 10197d40: 37 c6 3e 51 ldo -d8(sp),r6 10197d44: 37 cd 3d c1 ldo -120(sp),r13 10197d48: 6b d4 3e 51 stw r20,-d8(sr0,sp) 10197d4c: 6b d5 3e 59 stw r21,-d4(sr0,sp) 10197d50: 6b d4 3e 61 stw r20,-d0(sr0,sp) 10197d54: 6b d5 3e 69 stw r21,-cc(sr0,sp) 10197d58: 08 0c 02 59 copy r12,r25 10197d5c: 6b c6 3e 01 stw r6,-100(sr0,sp) 10197d60: 6b cd 3f 99 stw r13,-34(sr0,sp) 10197d64: 08 08 02 58 copy r8,r24 10197d68: 08 05 02 5a copy r5,r26 10197d6c: eb ff b4 4d b,l 10197798 ,%r2 which makes the error somewhere around here in fs/reiserfs/namei.c, function reiserfs_add_entry, after call to padd_item, before call to reiserfs_find_entry: /* copy name */ memcpy ((char *)(deh + 1), name, namelen); /* padd by 0s to the 4 byte boundary */ padd_item ((char *)(deh + 1), ROUND_UP (namelen), namelen); /* entry is ready to be pasted into tree, set 'visibility' and 'stat data in entry' attributes */ mark_de_without_sd (deh); visible ? mark_de_visible (deh) : mark_de_hidden (deh); /* find the proper place for the new entry */ memset (bit_string, 0, sizeof (bit_string)); de.de_gen_number_bit_string = (char *)bit_string; retval = reiserfs_find_entry (dir, name, namelen, &path, &de); And there I'm stuck. I'm sending this to the parisc-list to document the failure, and to linux-kernel to reach some reiserfs-experts, perhaps. I'm willing to test anything! Good luck, Jurriaan -- "I have seen her. That is enough, perhaps." Pug smiled. "You are a rare man." Raymond E Feist - The King's Buccaneer GNU/Linux 2.4.9-ac5 SMP/ReiserFS 2x1402 bogomips load av: 0.04 0.01 0.06