From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262191AbVEYLnc (ORCPT ); Wed, 25 May 2005 07:43:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262227AbVEYLmO (ORCPT ); Wed, 25 May 2005 07:42:14 -0400 Received: from hermes.domdv.de ([193.102.202.1]:38413 "EHLO hermes.domdv.de") by vger.kernel.org with ESMTP id S262191AbVEYLlQ (ORCPT ); Wed, 25 May 2005 07:41:16 -0400 Message-ID: <42946451.9070301@domdv.de> Date: Wed, 25 May 2005 13:41:05 +0200 From: Andreas Steinmetz User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050322) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Pavel Machek CC: Andrew Morton , kernel list Subject: Re: 2.6.12-rc4, -mm: bad ide-cs problems References: <20050525112745.GA1936@elf.ucw.cz> <20050525112824.GA2892@elf.ucw.cz> In-Reply-To: <20050525112824.GA2892@elf.ucw.cz> X-Enigmail-Version: 0.90.2.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Pavel Machek wrote: > On St 25-05-05 13:27:45, Pavel Machek wrote: > >>Hi! >> >>I see some problems in pcmcia subsystem in 2.6.12-rc4: >> >>On compaq nx5000, inserting CF ide card is recognized as anonymous >>memory. On compaq evo, it is recognized okay and >>mounts/works. Unfortunately when I unplug the card, I get an oops: >> >>Message from syslogd@Elf at Wed May 25 13:25:25 2005 ... >>Elf kernel: Unable to handle kernel NULL pointer dereference at >>virtual address 00000010 >> >>Message from syslogd@Elf at Wed May 25 13:25:25 2005 ... >>Elf kernel: printing eip: >> >>Message from syslogd@Elf at Wed May 25 13:25:25 2005 ... >>Elf kernel: *pde = 00000000 >> >>Message from syslogd@Elf at Wed May 25 13:25:25 2005 ... >>Elf kernel: Oops: 0000 [#1] >> >>. -mm kernel actually works better on nx5000; it behaves similary to >>-rc4 on evo; unfortunately it produces similar oops on card unplug. > > > This is full oops from -rc4 on compaq evo: > > hde: cache flushes not supported > hde: hde1 > ide-cs: hde: Vcc = 3.3, Vpp = 0.0 > hde: hde1 > hde: hde1 > Unable to handle kernel NULL pointer dereference at virtual address > 00000010 > printing eip: > c033d618 > *pde = 00000000 > Oops: 0000 [#1] > PREEMPT > Modules linked in: > CPU: 0 > EIP: 0060:[] Not tainted VLI > EFLAGS: 00010292 (2.6.12-rc4) > EIP is at ide_drive_remove+0x8/0x10 > eax: c07825f8 ebx: c0782704 ecx: c07826f0 edx: 00000000 > esi: c07826e0 edi: c065fed8 ebp: 00000001 esp: dfce5e84 > ds: 007b es: 007b ss: 0068 > Process pccardd (pid: 932, threadinfo=dfce4000 task=dfc84a40) > Stack: c02dc4b4 c07826e0 c065fa00 c0782568 c02dc724 c07826e0 c0782a80 > c02db5e2 > c07826e0 df373a80 c02db628 c07825f8 c033bcfb c0782568 00000002 > df373b80 > df373b80 c0670680 c0670728 c034f63b df758200 00000000 c034f67a > c0386108 > Call Trace: > [] device_release_driver+0x74/0x80 Pavel, I had a similar problem which I fixed amd posted to lkml a while ago though I seems to got ignored by the ide maintainer. Please see if this helps in your case: http://marc.theaimsgroup.com/?l=linux-kernel&m=111409743421578&w=2 -- Andreas Steinmetz SPAMmers use robotrap@domdv.de