Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753106AbZIWTCx (ORCPT ); Wed, 23 Sep 2009 15:02:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752209AbZIWTCw (ORCPT ); Wed, 23 Sep 2009 15:02:52 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:43897 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750752AbZIWTCv (ORCPT ); Wed, 23 Sep 2009 15:02:51 -0400 Date: Wed, 23 Sep 2009 21:02:39 +0200 From: Ingo Molnar To: Jason Wessel , Len Brown Cc: Greg KH , Linus Torvalds , Andrew Morton , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: Re: [origin tree boot hang] [PATCH] Revert "early_printk: Allow morethan one early console" Message-ID: <20090923190239.GC24251@elte.hu> References: <20090923135539.GA6542@kroah.com> <20090923173709.GA18056@elte.hu> <4ABA6182.1000106@windriver.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4ABA6182.1000106@windriver.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.5 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3605 Lines: 80 * Jason Wessel wrote: > Ingo Molnar wrote: > >> early_printk: Allow more than one early console > >> > > > > this patch broke things pretty badly on x86, with pretty much any > > config, as long as the early console is used - which most of my > > test-systems do :-( > > > > Ingo, > > Can you send me the boot args and kernel config you are using? I'd > like to figure out which part was at fault and fix it up. will do. Will take some time though - trying to track down a new boot crash as well: acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 initcall acpiphp_init+0x0/0x83 returned -19 after 16410 usecs calling ibm_acpiphp_init+0x0/0x190 @ 1 BUG: unable to handle kernel NULL pointer dereference at 0000000000000003 IP: [] ibm_find_acpi_device+0x5c/0xf5 PGD 0 Oops: 0002 [#1] SMP DEBUG_PAGEALLOC last sysfs file: CPU 0 Pid: 1, comm: swapper Not tainted 2.6.31-tip #16786 System Product Name RIP: 0010:[] [] ibm_find_acpi_device+0x5c/0xf5 RSP: 0018:ffff88003f2d1d60 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88003f2d1d68 RSI: 00000000000001e4 RDI: 0000000000000000 RBP: ffff88003f2d1d90 R08: 0000000000000001 R09: ffffffff824b645b R10: 000000002d0ef63b R11: ffff88003f2d1a80 R12: ffff88003fa780d0 R13: ffffffff83940dc8 R14: 0000000000000001 R15: ffffffff83942e10 FS: 0000000000000000(0000) GS:ffff880005800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000003 CR3: 0000000001001000 CR4: 00000000000006b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 1, threadinfo ffff88003f2d0000, task ffff88003f2c8000) Stack: ffff88003f2c8000 ffff88003cfbb690 000000002d0ef63b 0000000000000000 <0> 0000000000000000 ffff88003fa780d0 ffff88003f2d1e10 ffffffff8156b6b6 <0> 0000000000000001 0000000100000000 0000000000000000 ffffffff83940dc8 Call Trace: [] acpi_ns_walk_namespace+0x11d/0x234 [] ? ibm_find_acpi_device+0x0/0xf5 [] ? acpi_ut_acquire_mutex+0xd9/0x12e [] ? ibm_find_acpi_device+0x0/0xf5 [] acpi_walk_namespace+0x105/0x162 [] ? acpi_pm_read+0xd/0x3e [] ? ibm_acpiphp_init+0x0/0x190 [] ibm_acpiphp_init+0x64/0x190 [] do_one_initcall+0x82/0x1a6 [] ? init_irq_proc+0x77/0x9a [] do_basic_setup+0x5e/0x87 [] kernel_init+0x88/0xe2 [] child_rip+0xa/0x20 [] ? restore_args+0x0/0x30 [] ? kernel_init+0x0/0xe2 [] ? child_rip+0x0/0x20 Code: 48 c7 c2 c0 7b 0b 82 48 c7 c6 95 39 4a 82 48 c7 c7 1a 3c 4a 82 31 c0 e8 02 84 4b ff 31 c0 e9 82 00 00 00 48 8b 45 d8 48 8b 40 30 40 03 00 48 8b 45 d8 83 78 18 00 74 5f f6 40 0d 04 74 59 48 RIP [] ibm_find_acpi_device+0x5c/0xf5 RSP CR2: 0000000000000003 ---[ end trace 5a5d197966b56a2e ]--- Kernel panic - not syncing: Fatal exception Pid: 1, comm: swapper Tainted: G D 2.6.31-tip #16786 /me looks in the general direction of Len ;-) Ingo -- 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/