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Subject: Re: Kernel (2.6.26 final) Oops, problem?
From: Zhang Rui <rui.zhang@intel.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Gene Heskett <gene.heskett@gmail.com>, linux-kernel@vger.kernel.org,
       linux-acpi@vger.kernel.org, ming.m.lin@intel.com
In-Reply-To: <20080731193715.60e389ba.akpm@linux-foundation.org>
References: <200807312218.39479.gene.heskett@gmail.com>
	 <20080731193715.60e389ba.akpm@linux-foundation.org>
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Date: Fri, 01 Aug 2008 10:46:43 +0800
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On Fri, 2008-08-01 at 10:37 +0800, Andrew Morton wrote:
> 
> (cc linux-acpi)
> 
> (that wordwrapping is just excruciating)
> 
> On Thu, 31 Jul 2008 22:18:39 -0400 Gene Heskett
> <gene.heskett@gmail.com> wrote:
> 
> > Greetings;
> >
> > Kernel 2.6.26 final, 32 bit x86 athlon xp-2800, F8 install.  Running
> kernels
> > as linus blesses them without incident for most of a year now, but
> it looks
> > like my luck runneth out.
> >
> > >From /var/log/messages, because syslog is broadcasting -wall on
> every shell
> > open:
> > Jul 31 20:27:40 coyote kernel: [ 7026.294406] usb 1-1.1: USB
> disconnect,
> > address 6
> > Jul 31 20:27:40 coyote kernel: [ 7026.479139] usb 1-1.1: new low
> speed USB
> > device using ehci_hcd and address 13
> > Jul 31 20:27:40 coyote kernel: [ 7026.677314] usb 1-1.1:
> configuration #1
> > chosen from 1 choice
> > Jul 31 20:27:41 coyote kernel: [ 7027.414590] hiddev97hidraw2: USB
> HID v1.11
> > Device [Belkin  Belkin UPS] on usb-0000:00:02.2-1.1
> > Jul 31 21:11:49 coyote ntpd[1986]: kernel time sync status change
> 4001
> > Jul 31 21:28:54 coyote ntpd[1986]: kernel time sync status change
> 0001
> > 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 ]---
> >
> > This seems to point at ksensors, but I wasn't aware it was even
> running.  I
> > use gkrellm for such, and it appears to be indicating things are
> passably
> > normal.
> >
> > The machine is still up and running fairly well, so what do I do
> next, other
> > than reboot?
> >
It seems like a BIOS/ACPICA  issue, cc Ming.

Gene,
Please attach the acpidump using the latest pmtools at
http://www.lesswatts.org/patches/linux_acpi/

thanks,
rui

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