From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 19 Jun 2002 08:20:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 19 Jun 2002 08:20:27 -0400 Received: from BSN-250-62-68.dsl.siol.net ([213.250.62.68]:17033 "EHLO gekko.velenje.cx") by vger.kernel.org with ESMTP id ; Wed, 19 Jun 2002 08:20:25 -0400 Subject: High mem support, oops on 2.4.18 From: Samo Gabrovec To: linux-kernel@vger.kernel.org Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.7 Date: 19 Jun 2002 14:20:12 +0200 Message-Id: <1024489212.15738.63.camel@gekko> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello! Yesterday i sticked in another 256MB of ram [now it has 4x 256] and noticed that only ~900MB was availeble.. so i recompiled with the hi mem option [ i selected 4GB ]. But when it all loaded in the new build kernel it was all but normal. when i tried running lilo it seg faulted leaving oops in the log, Load was going off like crazy [idle server with +15 load]... I tried appending mem size to the lilo, but it made no diffrence. if i use 2.4.18 without the Hi mem option it works without any oopses or problems what so ever, but with less availeble ram ofcourse :( all oops`s start with "Unable to handle kernel NULL pointer dereference at virtual address 00000000" The computer is :one Pentium III , 700mhz with 1G ram, running 2.4.18 kernel [RH 6.2] i feed the ksymoops with oops that were in logs and got this out... -----------------When i ran lilo-------------------- Jun 18 11:25:38 ena kernel: <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 Jun 18 11:25:38 ena kernel: f88b920f Jun 18 11:25:38 ena kernel: *pde = 00000000 Jun 18 11:25:38 ena kernel: Oops: 0000 Jun 18 11:25:38 ena kernel: CPU: 0 Jun 18 11:25:38 ena kernel: EIP: 0010:[] Not tainted Jun 18 11:25:38 ena kernel: EFLAGS: 00010206 Jun 18 11:25:38 ena kernel: eax: 00000000 ebx: 00000400 ecx: 00000100 edx: f1bae000 Jun 18 11:25:38 ena kernel: esi: 00000000 edi: f1bae000 ebp: c1c6eb80 esp: d6a35e64 Jun 18 11:25:38 ena kernel: ds: 0018 es: 0018 ss: 0018 Jun 18 11:25:38 ena kernel: Process lilo (pid: 12754, stackpage=d6a35000) Jun 18 11:25:38 ena kernel: Stack: 00000001 f2e788c0 c02e4d64 000044f8 00000000 00000000 00000000 000008a0 Jun 18 11:25:38 ena kernel: f72cc690 f88b9295 00000001 f2e788c0 00000001 00000101 f2e788c0 c01a69ac Jun 18 11:25:38 ena kernel: c02e4d64 00000001 f2e788c0 00000002 00000001 f3756c80 000030a9 c01a6a6f Jun 18 11:25:38 ena kernel: Call Trace: [] [disk_change+364/604] [disk_change+559/604] [invalidate_inode_buffers+0/92] [getblk+41 /60] Jun 18 11:25:38 ena kernel: Code: f3 a5 f6 c3 02 74 02 66 a5 f6 c3 01 74 01 a4 83 7c 24 28 00 >>EIP; f88b920f <[rd]rd_blkdev_pagecache_IO+ff/148> <===== >>edx; f1bae000 <_end+318af4e0/385a64e0> >>edi; f1bae000 <_end+318af4e0/385a64e0> >>ebp; c1c6eb80 <_end+1970060/385a64e0> >>esp; d6a35e64 <_end+16737344/385a64e0> Trace; f88b9295 <[rd]rd_make_request+3d/68> Code; f88b920f <[rd]rd_blkdev_pagecache_IO+ff/148> 00000000 <_EIP>: Code; f88b920f <[rd]rd_blkdev_pagecache_IO+ff/148> <===== 0: f3 a5 repz movsl %ds:(%esi),%es:(%edi) <===== Code; f88b9211 <[rd]rd_blkdev_pagecache_IO+101/148> 2: f6 c3 02 test $0x2,%bl Code; f88b9214 <[rd]rd_blkdev_pagecache_IO+104/148> 5: 74 02 je 9 <_EIP+0x9> f88b9218 <[rd]rd_blkdev_pagecache_IO+108/148> Code; f88b9216 <[rd]rd_blkdev_pagecache_IO+106/148> 7: 66 a5 movsw %ds:(%esi),%es:(%edi) Code; f88b9218 <[rd]rd_blkdev_pagecache_IO+108/148> 9: f6 c3 01 test $0x1,%bl Code; f88b921b <[rd]rd_blkdev_pagecache_IO+10b/148> c: 74 01 je f <_EIP+0xf> f88b921e <[rd]rd_blkdev_pagecache_IO+10e/148> Code; f88b921d <[rd]rd_blkdev_pagecache_IO+10d/148> e: a4 movsb %ds:(%esi),%es:(%edi) Code; f88b921e <[rd]rd_blkdev_pagecache_IO+10e/148> f: 83 7c 24 28 00 cmpl $0x0,0x28(%esp,1) -----------------end lilo exec--------------------------- -----------------when i ran rsync ------------------------ Jun 18 09:22:16 ena kernel: ds: no socket drivers loaded! Jun 18 09:22:39 ena kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000000 Jun 18 09:22:39 ena kernel: f88b920f Jun 18 09:22:39 ena kernel: *pde = 00000000 Jun 18 09:22:39 ena kernel: Oops: 0002 Jun 18 09:22:39 ena kernel: CPU: 0 Jun 18 09:22:39 ena kernel: EIP: 0010:[] Not tainted Jun 18 09:22:39 ena kernel: EFLAGS: 00010206 Jun 18 09:22:39 ena kernel: eax: f6fe8400 ebx: 00000400 ecx: 00000100 edx: 00000000 Jun 18 09:22:39 ena kernel: esi: f6fe8400 edi: 00000000 ebp: c1dbfa00 esp: f7815dac Jun 18 09:22:39 ena kernel: ds: 0018 es: 0018 ss: 0018 Jun 18 09:22:39 ena kernel: Process rsync (pid: 1132, stackpage=f7815000) Jun 18 09:22:39 ena kernel: Stack: 00000001 f787a780 c02e4d64 000001ca 00000000 00000000 00000000 0000003a Jun 18 09:22:39 ena kernel: f7018150 f88b9295 00000000 f787a780 00000001 00000101 f787a780 c01a69ac Jun 18 09:22:39 ena kernel: c02e4d64 00000000 f787a780 00000002 00000000 fe3af000 f7815e64 c01a6a6f Jun 18 09:22:39 ena kernel: Call Trace: [] [disk_change+364/604] [disk_change+559/604] [brw_page+31/164] [show_swap_cache_info+51 /52] Jun 18 09:22:39 ena kernel: Code: f3 a5 f6 c3 02 74 02 66 a5 f6 c3 01 74 01 a4 83 7c 24 28 00 >>EIP; f88b920f <[rd]rd_blkdev_pagecache_IO+ff/148> <===== >>eax; f6fe8400 <_end+36ce98e0/385a64e0> >>esi; f6fe8400 <_end+36ce98e0/385a64e0> >>ebp; c1dbfa00 <_end+1ac0ee0/385a64e0> >>esp; f7815dac <_end+3751728c/385a64e0> Trace; f88b9295 <[rd]rd_make_request+3d/68> Code; f88b920f <[rd]rd_blkdev_pagecache_IO+ff/148> 00000000 <_EIP>: Code; f88b920f <[rd]rd_blkdev_pagecache_IO+ff/148> <===== 0: f3 a5 repz movsl %ds:(%esi),%es:(%edi) <===== Code; f88b9211 <[rd]rd_blkdev_pagecache_IO+101/148> 2: f6 c3 02 test $0x2,%bl Code; f88b9214 <[rd]rd_blkdev_pagecache_IO+104/148> 5: 74 02 je 9 <_EIP+0x9> f88b9218 <[rd]rd_blkdev_pagecache_IO+108/148> Code; f88b9216 <[rd]rd_blkdev_pagecache_IO+106/148> 7: 66 a5 movsw %ds:(%esi),%es:(%edi) Code; f88b9218 <[rd]rd_blkdev_pagecache_IO+108/148> 9: f6 c3 01 test $0x1,%bl Code; f88b921b <[rd]rd_blkdev_pagecache_IO+10b/148> c: 74 01 je f <_EIP+0xf> f88b921e <[rd]rd_blkdev_pagecache_IO+10e/148> Code; f88b921d <[rd]rd_blkdev_pagecache_IO+10d/148> e: a4 movsb %ds:(%esi),%es:(%edi) Code; f88b921e <[rd]rd_blkdev_pagecache_IO+10e/148> f: 83 7c 24 28 00 cmpl $0x0,0x28(%esp,1) ---------------------------end rsync------------------------------------ if someone here know`s what could be my problem please let me know. Thanks Samo Gabrovec.