From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Len Brown" Subject: boot crash at ibm_find_acpi_device+0x5c/0xf5 Date: Thu, 24 Sep 2009 15:12:51 -0400 (EDT) Message-ID: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: Received: from mail.g-wis.com ([204.250.154.18]:4655 "EHLO mail.g-wis.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755580Ab0CHUCx (ORCPT ); Mon, 8 Mar 2010 15:02:53 -0500 Received: from sony (localhost [127.0.0.1]) by sony (8.14.3/8.14.3) with ESMTP id o28JuVqR005397 for ; Mon, 8 Mar 2010 14:56:40 -0500 Received: from localhost (lenb@localhost) by sony (8.14.3/8.14.3/Submit) with ESMTP id n8OJHTR1023342 for ; Thu, 24 Sep 2009 15:22:07 -0400 Content-Class: urn:content-classes:message Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-acpi@vger.kernel.org anybody seen this one? thanks, Len Brown, Intel Open Source Technology Center ---------- Forwarded message ---------- 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" * 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/