Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752487AbXBRXjI (ORCPT ); Sun, 18 Feb 2007 18:39:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752480AbXBRXjI (ORCPT ); Sun, 18 Feb 2007 18:39:08 -0500 Received: from nz-out-0506.google.com ([64.233.162.237]:4532 "EHLO nz-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752486AbXBRXjG (ORCPT ); Sun, 18 Feb 2007 18:39:06 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=eq7mW/3mbMWwWGNeXgULd+hJ7rdnoTfFZkhgEzUUtgqc82ADfD3a4jwkPwVmEXnOKSW5af/imvGUgr1Nmn/W9yuUjvP7tFykRiKfSs9WMBSup6otlYVdgk6rZM0MaN8CbUZh/Xi9UOmvSvNaY1WO+FIAcCDo44oEoWy6m4xHOMc= Message-ID: <6bffcb0e0702181539r66d6784ay36ca4cddc749588e@mail.gmail.com> Date: Mon, 19 Feb 2007 00:39:04 +0100 From: "Michal Piotrowski" To: "Rafael J. Wysocki" Subject: Re: 2.6.20-mm2 Cc: "Andrew Morton" , linux-kernel@vger.kernel.org, "Neil Brown" , "Jeff Garzik" , linux-ide@vger.kernel.org, "Jens Axboe" In-Reply-To: <200702190025.49273.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070217215146.30e7ffa3.akpm@linux-foundation.org> <200702181344.54959.rjw@sisk.pl> <20070218114326.35d7645b.akpm@linux-foundation.org> <200702190025.49273.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5958 Lines: 147 On 19/02/07, Rafael J. Wysocki wrote: > On Sunday, 18 February 2007 20:43, Andrew Morton wrote: > > On Sun, 18 Feb 2007 13:44:54 +0100 "Rafael J. Wysocki" wrote: > > > > > On Sunday, 18 February 2007 06:51, Andrew Morton wrote: > > > > > > > > Temporarily at > > > > > > > > http://userweb.kernel.org/~akpm/2.6.20-mm2/ > > > > > > > > Will appear later at > > > > > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20/2.6.20-mm2/ > > > > > > Two problems: > > > > > > 1) A showstopper with the root partition on RAID1: > > > > > > md: raid1 personality registered for level 1 > > > [--snip--] > > > md: multipath personality registered for level -4 > > > register_blkdev: failed to get major for mdp > > > [--snip--] > > > VFS: Cannot open root device "md1" or unknown-block(0,0) > > > > Someone else reported that against mainline. Can you please debug it a bit? > > Sure, tomorrow I will. > > > I'd suggested reverting the recent changes in there: > > > > --- a/block/genhd.c~a > > +++ a/block/genhd.c > > @@ -61,14 +61,6 @@ int register_blkdev(unsigned int major, > > /* temporary */ > > if (major == 0) { > > for (index = ARRAY_SIZE(major_names)-1; index > 0; index--) { > > - /* > > - * Disallow the LANANA-assigned LOCAL/EXPERIMENTAL > > - * majors > > - */ > > - if ((60 <= index && index <= 63) || > > - (120 <= index && index <= 127) || > > - (240 <= index && index <= 254)) > > - continue; > > if (major_names[index] == NULL) > > break; > > } > > _ > > > > but I don't see how they could cause this. > > > > > > > At the moment I have no serial console attached to the box, so I had to rewrite > > > the messages manually. > > > > netconsole is good. > > I know. :-) > > In the meantime, I've got something worse on another x86_64 box: > > Asus Laptop ACPI Extras version 0.30 > L5D model detected, supported > audit(1171831698.918:2): audit_pid=4281 old=0 by auid=4294967295 > general protection fault: 0000 [2] PREEMPT > last sysfs file: /class/net/eth2/carrier > CPU 0 > Modules linked in: af_packet ipv6 snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device asus_acpi backlight button battery ac dm_mod pcmr > Pid: 178, comm: pdflush Not tainted 2.6.20-mm2 #1 > RIP: 0010:[] [] __make_request+0x134/0x370 > RSP: 0000:ffff81005ed659a0 EFLAGS: 00010297 > RAX: 00000000ffffffff RBX: 6b6b6b6b6b6b6b6b RCX: 000000000203396a > RDX: 0000000100000000 RSI: ffff810037b4dbb0 RDI: ffff81004683d8c0 > RBP: ffff81005ed659f0 R08: ffff81004683d070 R09: ffff81003d333cc0 > R10: 0000000000000000 R11: 0000000000000000 R12: ffff810037b4dbb0 > R13: ffff81005daba3f0 R14: ffff810037daca90 R15: ffff81005daba3d0 > FS: 00002ad4a29e6d00(0000) GS:ffffffff805db000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b > CR2: 00002b6a345aa000 CR3: 0000000056585000 CR4: 00000000000006e0 > Process pdflush (pid: 178, threadinfo ffff81005ed64000, task ffff810037b060c0) > Stack: ffff810002852540 0000000000000001 ffff810037b4dbb0 ffffffff8026be21 > ffff81005ed65a40 0000000000000008 ffff810037b4dbb0 0000000000000800 > 0000000000000008 ffff8100021d94e0 ffff81005ed65a40 ffffffff80348e7c > Call Trace: > [] mempool_alloc_slab+0x11/0x20 > [] generic_make_request+0x1ec/0x230 > [] submit_bio+0xf6/0x110 > [] submit_bh+0x100/0x130 > [] __block_write_full_page+0x1ca/0x2e0 > [] blkdev_get_block+0x0/0x70 > [] blkdev_get_block+0x0/0x70 > [] block_write_full_page+0xf3/0x110 > [] blkdev_writepage+0x13/0x20 > [] __writepage+0x15/0x40 > [] write_cache_pages+0x1f3/0x360 > [] __writepage+0x0/0x40 > [] generic_writepages+0x22/0x30 > [] do_writepages+0x46/0x80 > [] __writeback_single_inode+0x1d7/0x370 > [] generic_sync_sb_inodes+0x35/0x2b0 > [] generic_sync_sb_inodes+0x1d9/0x2b0 > [] writeback_inodes+0x82/0x100 > [] sync_sb_inodes+0x25/0x30 > [] writeback_inodes+0x98/0x100 > [] pdflush+0x0/0x1e0 > [] wb_kupdate+0x94/0x110 > [] pdflush+0x128/0x1e0 > [] wb_kupdate+0x0/0x110 > [] pdflush+0x0/0x1e0 > [] kthread+0xd3/0x110 > [] keventd_create_kthread+0x0/0x90 > [] child_rip+0xa/0x12 > [] _spin_unlock_irq+0x2b/0x60 > [] restore_args+0x0/0x30 > [] kthread+0x0/0x110 > [] child_rip+0x0/0x12 > > > Code: 48 8b 43 08 0f 18 08 49 39 dd 75 a2 49 8b be 38 02 00 00 e8 > RIP [] __make_request+0x134/0x370 > RSP > PM: Adding info for No Bus:vcs10 > PM: Adding info for No Bus:vcsa10 > > It looks _really_ bad to me. :-( > It looks familiar to me http://www.ussg.iu.edu/hypermail/linux/kernel/0702.2/0646.html http://www.ussg.iu.edu/hypermail/linux/kernel/0702.2/0821.html Regards, Michal -- Michal K. K. Piotrowski LTG - Linux Testers Group (PL) (http://www.stardust.webpages.pl/ltg/) LTG - Linux Testers Group (EN) (http://www.stardust.webpages.pl/linux_testers_group_en/) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/