Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753479AbYKAPCO (ORCPT ); Sat, 1 Nov 2008 11:02:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751521AbYKAPB6 (ORCPT ); Sat, 1 Nov 2008 11:01:58 -0400 Received: from vena.lwn.net ([206.168.112.25]:35150 "EHLO vena.lwn.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751479AbYKAPB5 (ORCPT ); Sat, 1 Nov 2008 11:01:57 -0400 Date: Sat, 1 Nov 2008 09:01:54 -0600 From: Jonathan Corbet To: Linus Torvalds Cc: Yinghai Lu , Ingo Molnar , Robert Hancock , e1000-devel@lists.sourceforge.net, LKML , Steven Rostedt Subject: Re: 2.6.28-rc2 hates my e1000e Message-ID: <20081101090154.3d014f57@bike.lwn.net> In-Reply-To: References: <490A5532.2000704@shaw.ca> <20081030205851.3208f52f@bike.lwn.net> <86802c440810302108h48046c08x3bbdcd0e35fd31b7@mail.gmail.com>

<20081031100040.1f0cf34f@bike.lwn.net> <20081031105105.092ebad3@bike.lwn.net> Organization: LWN.net X-Mailer: Claws Mail 3.6.0 (GTK+ 2.14.4; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6824 Lines: 137 On Fri, 31 Oct 2008 09:58:01 -0700 (PDT) Linus Torvalds wrote: > Can you do any reasonable testing at all without NFS? In particular, > can you boot without NFS and test that the networking still works? Networking is fine in the absence of NFS. I retried things and stress-tested it in a few ways with no trouble. I think your last patch fixes the network card just fine. Then I tried NFS again, watching more closely this time around. Everything locks up. In fact, the soft lockup watchdog starts to scream: Oct 31 10:37:53 bike kernel: [ 88.046867] BUG: soft lockup - CPU#1 stuck for 61s! [modprobe:2923] Oct 31 10:37:53 bike kernel: [ 88.046867] Modules linked in: fuse sunrpc binfmt_misc msp3400 saa7115 snd_hda_intel tuner snd_seq_oss snd_seq_midi_event snd_seq ivtv compat_ioctl32 snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer 8250_pci cx2341x v4l2_common videodev 8250_pnp snd hid_logitech 8250 e1000e v4l1_compat i2c_i801 tveeprom usbhid evdev thermal soundcore serial_core sr_mod sg processor snd_page_alloc cdrom button [last unloaded: microcode] Oct 31 10:37:53 bike kernel: [ 88.046867] CPU 1: Oct 31 10:37:53 bike kernel: [ 88.046867] Modules linked in: fuse sunrpc binfmt_misc msp3400 saa7115 snd_hda_intel tuner snd_seq_oss snd_seq_midi_event snd_seq ivtv compat_ioctl32 snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer 8250_pci cx2341x v4l2_common videodev 8250_pnp snd hid_logitech 8250 e1000e v4l1_compat i2c_i801 tveeprom usbhid evdev thermal soundcore serial_core sr_mod sg processor snd_page_alloc cdrom button [last unloaded: microcode] Oct 31 10:37:53 bike kernel: [ 88.046867] Pid: 2923, comm: modprobe Not tainted 2.6.28-rc2 #12 Oct 31 10:37:53 bike kernel: [ 88.046867] RIP: 0010:[] [] ftrace_record_ip+0xcb/0x1f5 Oct 31 10:37:53 bike kernel: [ 88.046867] RSP: 0018:ffff8800bae33d58 EFLAGS: 00000282 Oct 31 10:37:53 bike kernel: [ 88.046867] RAX: ffff8800baef0810 RBX: ffff8800bae33d68 RCX: 9288000000000000 Oct 31 10:37:53 bike kernel: [ 88.046867] RDX: ffff8800baef0810 RSI: 00000000000003fe RDI: ffffffffa023f251 Oct 31 10:37:53 bike kernel: [ 88.046867] RBP: ffff8800bae33d68 R08: ffffffffa023f251 R09: ffffffff80720ed0 Oct 31 10:37:53 bike kernel: [ 88.046867] R10: ffff8800b99c0e10 R11: 0000000000000000 R12: ffffffff8049eb26 Oct 31 10:37:53 bike kernel: [ 88.046867] R13: ffff8800bae33d48 R14: ffff8800bae33ce8 R15: ffff8800bae33ce8 Oct 31 10:37:53 bike kernel: [ 88.046867] FS: 00007fbe2e5166f0(0000) GS:ffff8800be002d80(0000) knlGS:0000000000000000 Oct 31 10:37:53 bike kernel: [ 88.046867] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Oct 31 10:37:53 bike kernel: [ 88.046867] CR2: 00007fbe2e51100f CR3: 00000000bc775000 CR4: 00000000000006e0 Oct 31 10:37:53 bike kernel: [ 88.046867] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Oct 31 10:37:53 bike kernel: [ 88.046867] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Oct 31 10:37:53 bike kernel: [ 88.046867] Call Trace: Oct 31 10:37:53 bike kernel: [ 88.046867] [] ftrace_convert_nops+0x31/0x77 Oct 31 10:37:53 bike kernel: [ 88.046867] [] ftrace_init_module+0x17/0x19 Oct 31 10:37:53 bike kernel: [ 88.046867] [] load_module+0x13b4/0x18ba Oct 31 10:37:53 bike kernel: [ 88.046867] [] ? do_sync_read+0xec/0x132 Oct 31 10:37:53 bike kernel: [ 88.046867] [] ? proc_dointvec_minmax+0x0/0x52 Oct 31 10:37:53 bike kernel: [ 88.046867] [] sys_init_module+0x5a/0x1bb Oct 31 10:37:53 bike kernel: [ 88.046867] [] system_call_fastpath+0x16/0x1b So methinks I'll add Steven to the Cc on this one :) Looks like a different problem for sure. > Oh, and getting the old (2.6.27) and new > (2.6.28-rc2+patch) /proc/iomem would be nice. For completeness, here they are. 2.6.27: 00000000-0009fbff : System RAM 000f0000-000fffff : reserved 00100000-be4ff7ff : System RAM 00200000-004b4d12 : Kernel code 004b4d13-0073000f : Kernel data 011b6000-0127e58f : Kernel bss be4ff800-be553bff : ACPI Non-volatile Storage be553c00-be555bff : ACPI Tables be555c00-beffffff : reserved c0000000-cfffffff : 0000:00:02.0 d0000000-d3ffffff : PCI Bus 0000:02 d0000000-d3ffffff : 0000:02:00.0 d0000000-d07fffff : ivtv encoder d2000000-d200ffff : ivtv registers d4000000-d40fffff : 0000:00:02.0 d4100000-d417ffff : 0000:00:02.0 d4180000-d41fffff : 0000:00:02.1 d4200000-d421ffff : 0000:00:19.0 d4200000-d421ffff : e1000e d4220000-d4223fff : 0000:00:1b.0 d4220000-d4223fff : ICH HD audio d4224000-d4224fff : 0000:00:03.3 d4225000-d4225fff : 0000:00:19.0 d4225000-d4225fff : e1000e d4226000-d42263ff : 0000:00:1a.7 d4226000-d42263ff : ehci_hcd d4226400-d42264ff : 0000:00:1f.3 d4227000-d4227fff : Intel Flush Page e0000000-fed003ff : reserved fec00000-fec00fff : IOAPIC 0 fed00000-fed003ff : HPET 0 fed20000-fed9ffff : reserved fedad000-fedad00f : 0000:00:03.0 fee00000-feefffff : reserved fee00000-fee00fff : Local APIC ff980800-ff980bff : 0000:00:1d.7 ff980800-ff980bff : ehci_hcd ffb00000-ffffffff : reserved 2.6.28-rc2 + second Linus patch: 00000000-0009fbff : System RAM 000f0000-000fffff : reserved 00100000-be4ff7ff : System RAM 00200000-004a6e45 : Kernel code 004a6e46-00649b77 : Kernel data 006c4000-007585ff : Kernel bss be4ff800-be553bff : ACPI Non-volatile Storage be553c00-be555bff : ACPI Tables be555c00-beffffff : reserved c0000000-cfffffff : 0000:00:02.0 d0000000-d3ffffff : PCI Bus 0000:02 d0000000-d3ffffff : 0000:02:00.0 d0000000-d07fffff : ivtv encoder d2000000-d200ffff : ivtv registers d4000000-d4000fff : Intel Flush Page e0000000-fed003ff : reserved fe800000-fe8fffff : PCI Bus 0000:01 fe9d9b00-fe9d9bff : 0000:00:1f.3 fe9d9c00-fe9d9fff : 0000:00:1a.7 fe9d9c00-fe9d9fff : ehci_hcd fe9da000-fe9dafff : 0000:00:03.3 fe9db000-fe9dbfff : 0000:00:19.0 fe9db000-fe9dbfff : e1000e fe9dc000-fe9dffff : 0000:00:1b.0 fe9dc000-fe9dffff : ICH HD audio fe9e0000-fe9fffff : 0000:00:19.0 fe9e0000-fe9fffff : e1000e fea00000-fea7ffff : 0000:00:02.0 fea80000-feafffff : 0000:00:02.1 feb00000-febfffff : 0000:00:02.0 fec00000-fec00fff : IOAPIC 0 fed00000-fed003ff : HPET 0 fed20000-fed9ffff : reserved fedad000-fedad00f : 0000:00:03.0 fee00000-feefffff : reserved fee00000-fee00fff : Local APIC ff980800-ff980bff : 0000:00:1d.7 ff980800-ff980bff : ehci_hcd ffb00000-ffffffff : reserved jon -- 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/