Message-ID: <20080801190428.GA2828@debian>
Date:	Sat, 2 Aug 2008 00:34:28 +0530
From:	Rabin Vincent <rabin@....in>
To:	Gene Heskett <gene.heskett@...il.com>
Cc:	Zhang Rui <rui.zhang@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	ming.m.lin@...el.com
Subject: Re: Kernel (2.6.26 final) Oops, problem?

On Thu, Jul 31, 2008 at 11:59:13PM -0400, Gene Heskett wrote:
> On Thursday 31 July 2008, Zhang Rui wrote:
> [...]
> 
> Word wrap off, Oops pasted again:
> 
> Jul 31 21:36:03 coyote kernel: [11130.112101] ACPI Error (psargs-0358): [SENF] Namespace lookup failure, AE_NOT_FOUND
> Jul 31 21:36:03 coyote kernel: [11130.112112] ACPI Error (psparse-0530): ACPI Error (nsnames-0186): Invalid NS Node 
> (f7811f90) while traversing path [20080321]
> Jul 31 21:36:03 coyote kernel: [11130.112145] BUG: unable to handle kernel NULL pointer dereference at 0000000f
> Jul 31 21:36:03 coyote kernel: [11130.112148] IP: [<c05279d5>] acpi_ns_build_external_path+0x1e/0x7b
> Jul 31 21:36:03 coyote kernel: [11130.112159] *pde = 00000000
> Jul 31 21:36:03 coyote kernel: [11130.112162] Oops: 0002 [#1] PREEMPT
> Jul 31 21:36:03 coyote kernel: [11130.112165] Modules linked in: radeon drm eeprom autofs4 w83627hf hwmon_vid hwmon fuse 
> sunrpc ipv6 cx88_dvb cx88_vp3054_i2c mt352 dvb_pll s5h1411 or51132 videobuf_dvb nxt200x isl6421 zl10353 cx24123 lgdt330x 
> snd_intel8x0 dvb_core snd_emu10k1_synth cx22702 tuner tda8290 tda18271 tda827x tda9887 tuner_simple tuner_types 
> snd_emux_synth snd_seq_virmidi snd_seq_midi_emul snd_emu10k1 snd_ac97_codec ac97_bus snd_seq_dummy snd_seq_oss 
> snd_seq_midi_event snd_seq cx8800 snd_pcm_oss snd_mixer_oss snd_pcm cx8802 snd_mpu401 snd_mpu401_uart snd_rawmidi cx88xx 
> snd_seq_device videodev snd_timer floppy snd_util_mem snd_hwdep snd ir_common i2c_algo_bit tveeprom firewire_ohci pcspkr 
> v4l1_compat compat_ioctl32 v4l2_common btcx_risc videobuf_dma_sg firewire_core crc_itu_t soundcore videobuf_core 
> snd_page_alloc forcedeth ftdi_sio usbserial i2c_nforce2 i2c_core usblp sg sr_mod cdrom sata_sil ata_generic pata_acpi 
> pata_amd libata dock sd_mod scsi_mod ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd [last un
> Jul 31 21:36:03 coyote kernel: loaded: scsi_wait_scan]
> Jul 31 21:36:03 coyote kernel: [11130.112210]
> Jul 31 21:36:03 coyote kernel: [11130.112213] Pid: 2670, comm: ksensors Not tainted (2.6.26 #2)
> Jul 31 21:36:03 coyote kernel: [11130.112215] EIP: 0060:[<c05279d5>] EFLAGS: 00010286 CPU: 0
> Jul 31 21:36:03 coyote kernel: [11130.112220] EIP is at acpi_ns_build_external_path+0x1e/0x7b
> Jul 31 21:36:03 coyote kernel: [11130.112222] EAX: f7813078 EBX: ffffffff ECX: 00000010 EDX: f7813078
> Jul 31 21:36:03 coyote kernel: [11130.112225] ESI: 00000010 EDI: 00000010 EBP: 00000000 ESP: f1210e28
> Jul 31 21:36:03 coyote kernel: [11130.112227]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
> Jul 31 21:36:03 coyote kernel: [11130.112229] Process ksensors (pid: 2670, ti=f1210000 task=f11413b0 task.ti=f1210000)
> Jul 31 21:36:03 coyote kernel: [11130.112232] Stack: f7813078 00000000 00000000 f1210e50 c0527a6a f7813078 c0688619 
> c0688619
> Jul 31 21:36:03 coyote kernel: [11130.112237]        00000005 c0527f94 00000000 00000010 00000000 f7813078 c0528017 
> f7813078
> Jul 31 21:36:03 coyote kernel: [11130.112241]        00000000 f1027400 f7b02810 c05292b5 f7813078 00000000 00000005 
> 00000000
> Jul 31 21:36:03 coyote kernel: [11130.112246] Call Trace:
> Jul 31 21:36:03 coyote kernel: [11130.112251]  [<c0527a6a>] acpi_ns_handle_to_pathname+0x38/0x42
> Jul 31 21:36:03 coyote kernel: [11130.112258]  [<c0527f94>] acpi_ns_print_node_pathname+0x28/0x5d
> Jul 31 21:36:03 coyote kernel: [11130.112264]  [<c0528017>] acpi_ns_report_method_error+0x4e/0x69
> Jul 31 21:36:03 coyote kernel: [11130.112270]  [<c05292b5>] acpi_ps_parse_aml+0xcf/0x26b
> Jul 31 21:36:03 coyote kernel: [11130.112278]  [<c052a47b>] acpi_ps_execute_method+0x10a/0x1a7
> Jul 31 21:36:03 coyote kernel: [11130.112285]  [<c0527918>] acpi_ns_evaluate+0x90/0xe4
> Jul 31 21:36:03 coyote kernel: [11130.112290]  [<c052759f>] acpi_evaluate_object+0x124/0x1c9
> Jul 31 21:36:03 coyote kernel: [11130.112298]  [<c051a1e6>] acpi_evaluate_integer+0x78/0xac
> Jul 31 21:36:03 coyote kernel: [11130.112307]  [<c0535e2f>] acpi_thermal_get_temperature+0x26/0x33
> Jul 31 21:36:03 coyote kernel: [11130.112313]  [<c0537325>] acpi_thermal_temp_seq_show+0x12/0x4a
> Jul 31 21:36:03 coyote kernel: [11130.112318]  [<c0494ea5>] seq_read+0x65/0x2a0
> Jul 31 21:36:03 coyote kernel: [11130.112324]  [<c04d7374>] selinux_file_permission+0x104/0x150
> Jul 31 21:36:03 coyote kernel: [11130.112332]  [<c0494e40>] seq_read+0x0/0x2a0
> Jul 31 21:36:03 coyote kernel: [11130.112336]  [<c04ae3de>] proc_reg_read+0x6e/0xc0
> Jul 31 21:36:03 coyote kernel: [11130.112346]  [<c0479081>] vfs_read+0xa1/0x160
> Jul 31 21:36:03 coyote kernel: [11130.112353]  [<c04ae370>] proc_reg_read+0x0/0xc0
> Jul 31 21:36:03 coyote kernel: [11130.112358]  [<c0479511>] sys_read+0x41/0x70
> Jul 31 21:36:03 coyote kernel: [11130.112365]  [<c0403006>] syscall_call+0x7/0xb
> Jul 31 21:36:03 coyote kernel: [11130.112378]  =======================
> Jul 31 21:36:03 coyote kernel: [11130.112380] Code: 00 00 00 85 db 0f 44 d8 8d 43 01 5b c3 55 89 d5 57 56 89 ce 53 8d 5a 
> ff 83 fb 03 77 09 c6 01 5c c6 41 01 00 eb 5d 8d 3c 11 89 c2 <c6> 04 19 00 eb 15 8b 42 08 83 eb 05 89 07 89 d0 e8 e3 01 00 
> 00
> Jul 31 21:36:03 coyote kernel: [11130.112400] EIP: [<c05279d5>] acpi_ns_build_external_path+0x1e/0x7b SS:ESP 0068:f1210e28
> Jul 31 21:36:03 coyote kernel: [11130.112406] ---[ end trace 0d63271c2d334fd8 ]---

f88133d76ea38761b7379d6233b752ed82250a4a in current git appears to be a
fix for this.

Rabin
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