[2.6.18.2] ide_core oops

From: Andreas Hartmann
Date: Sun Jan 07 2007 - 13:08:39 EST


Hello,

the following oops appears, after these actions took place:

1. Booting the notebook.
2. Loading ide_core with putting in a USB stick and mounting the
filesystem onto it.
3. Remove securely the usb stick.
4. suspend the machine.
5. resume the machine.
6. Do a modprobe ide_core again. Afterwards you can see this oops:

notebook1:~ # ksymoops <oops
ksymoops 2.4.11 on i686 2.6.18.2-34-default. Options used
-V (default)
-k /proc/kallsyms (default)
-l /proc/modules (default)
-o /lib/modules/2.6.18.2-34-default/ (default)
-m /boot/System.map-2.6.18.2-34-default (default)

Warning: You did not tell me where to find symbol information. I will
assume that the log matches the kernel and modules that are running
right now and I'll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc. ksymoops -h explains the options.

Warning (read_ksyms): no kernel symbols in ksyms, is /proc/kallsyms a
valid ksyms file?
No modules in ksyms, skipping objects
No ksyms, skipping lsmod
Jan 7 12:02:10 notebook1 kernel: BUG: unable to handle kernel paging
request at virtual address e04734b0
Jan 7 12:02:10 notebook1 kernel: c01c01b9
Jan 7 12:02:10 notebook1 kernel: *pde = 1f2ac067
Jan 7 12:02:10 notebook1 kernel: Oops: 0002 [#1]
Jan 7 12:02:10 notebook1 kernel: CPU: 0
Jan 7 12:02:10 notebook1 kernel: EIP: 0060:[<c01c01b9>] Tainted:
G U VLI
Using defaults from ksymoops -t elf32-i386 -a i386
Jan 7 12:02:10 notebook1 kernel: EFLAGS: 00010292
(2.6.18.2-34-default #1)
Jan 7 12:02:10 notebook1 kernel: eax: c0351501 ebx: e071b494 ecx:
e04734b0 edx: e071b4b0
Jan 7 12:02:10 notebook1 kernel: esi: ffffffea edi: c03514c0 ebp:
d1a24de0 esp: db6c5e08
Jan 7 12:02:10 notebook1 kernel: ds: 007b es: 007b ss: 0068
Jan 7 12:02:10 notebook1 kernel: Stack: 00000000 c02bd5d1 e071b494
e071b498 fffffffe c0351540 e071b494 ffffffea
Jan 7 12:02:10 notebook1 kernel: c03514c0 d1a24de0 c01c037e
e071b494 e071b47c c0224f19 e071b494 c02bd5cf
Jan 7 12:02:10 notebook1 kernel: e070eefd 00000000 00000001
00000000 d1a24800 d1a24e38 d1a24de0 e043785c
Jan 7 12:02:10 notebook1 kernel: Call Trace:
Jan 7 12:02:10 notebook1 kernel: [<c01c037e>] kobject_register+0x19/0x30
Jan 7 12:02:10 notebook1 kernel: [<c0224f19>] bus_add_driver+0x51/0x107
Jan 7 12:02:10 notebook1 kernel: [<e043785c>] init_module+0x716/0x72f
[ide_core]
Jan 7 12:02:10 notebook1 kernel: [<c0137119>] __link_module+0x0/0x1f
Jan 7 12:02:10 notebook1 kernel: [<c011b951>] __cond_resched+0x16/0x34
Jan 7 12:02:10 notebook1 kernel: [<c02a44e0>] cond_resched+0x2a/0x31
Jan 7 12:02:10 notebook1 kernel: [<c02a4515>]
wait_for_completion+0x18/0xa4
Jan 7 12:02:10 notebook1 kernel: [<c0140466>] do_stop+0x0/0x117
Jan 7 12:02:10 notebook1 kernel: [<c0137119>] __link_module+0x0/0x1f
Jan 7 12:02:10 notebook1 kernel: [<c013987f>]
sys_init_module+0x17fe/0x1981
Jan 7 12:02:10 notebook1 kernel: [<c014ba04>] generic_file_read+0x0/0xb8
Jan 7 12:02:10 notebook1 kernel: [<c0103d5d>] sysenter_past_esp+0x56/0x79
Jan 7 12:02:10 notebook1 kernel: Code: 24 14 00 75 0f 8b 43 28 83 c0 14
e8 31 fe ff ff 89 44 24 14 8b 43 28 8d 53 1c 83 c0 08 8b 48 04 89 43 1c
89 50 04 b0 01 89 4a 04 <89> 11 8b 53 28 86 42 10 8b 44 24 14 89 43 24
c7 44 24 10 00 00


>>EIP; c01c01b9 <kobject_add+ab/18a> <=====

>>eax; c0351501 <pnp_bus_type+41/180>
>>ebx; e071b494 <pg0+202ef494/3fbd2400>
>>ecx; e04734b0 <pg0+200474b0/3fbd2400>
>>edx; e071b4b0 <pg0+202ef4b0/3fbd2400>
>>esi; ffffffea <__kernel_rt_sigreturn+1baa/????>
>>edi; c03514c0 <pnp_bus_type+0/180>
>>ebp; d1a24de0 <pg0+115f8de0/3fbd2400>
>>esp; db6c5e08 <pg0+1b299e08/3fbd2400>

Trace; c01c037e <kobject_register+19/30>
Trace; c0224f19 <bus_add_driver+51/107>
Trace; e043785c <pg0+2000b85c/3fbd2400>
Trace; c0137119 <__link_module+0/1f>
Trace; c011b951 <__cond_resched+16/34>
Trace; c02a44e0 <cond_resched+2a/31>
Trace; c02a4515 <wait_for_completion+18/a4>
Trace; c0140466 <do_stop+0/117>
Trace; c0137119 <__link_module+0/1f>
Trace; c013987f <sys_init_module+17fe/1981>
Trace; c014ba04 <generic_file_read+0/b8>
Trace; c0103d5d <sysenter_past_esp+56/79>

This architecture has variable length instructions, decoding before eip
is unreliable, take these instructions with a pinch of salt.

Code; c01c018e <kobject_add+80/18a>
00000000 <_EIP>:
Code; c01c018e <kobject_add+80/18a>
0: 24 14 and $0x14,%al
Code; c01c0190 <kobject_add+82/18a>
2: 00 75 0f add %dh,0xf(%ebp)
Code; c01c0193 <kobject_add+85/18a>
5: 8b 43 28 mov 0x28(%ebx),%eax
Code; c01c0196 <kobject_add+88/18a>
8: 83 c0 14 add $0x14,%eax
Code; c01c0199 <kobject_add+8b/18a>
b: e8 31 fe ff ff call fffffe41 <_EIP+0xfffffe41>
Code; c01c019e <kobject_add+90/18a>
10: 89 44 24 14 mov %eax,0x14(%esp)
Code; c01c01a2 <kobject_add+94/18a>
14: 8b 43 28 mov 0x28(%ebx),%eax
Code; c01c01a5 <kobject_add+97/18a>
17: 8d 53 1c lea 0x1c(%ebx),%edx
Code; c01c01a8 <kobject_add+9a/18a>
1a: 83 c0 08 add $0x8,%eax
Code; c01c01ab <kobject_add+9d/18a>
1d: 8b 48 04 mov 0x4(%eax),%ecx
Code; c01c01ae <kobject_add+a0/18a>
20: 89 43 1c mov %eax,0x1c(%ebx)
Code; c01c01b1 <kobject_add+a3/18a>
23: 89 50 04 mov %edx,0x4(%eax)
Code; c01c01b4 <kobject_add+a6/18a>
26: b0 01 mov $0x1,%al
Code; c01c01b6 <kobject_add+a8/18a>
28: 89 4a 04 mov %ecx,0x4(%edx)

This decode from eip onwards should be reliable

Code; c01c01b9 <kobject_add+ab/18a>
00000000 <_EIP>:
Code; c01c01b9 <kobject_add+ab/18a> <=====
0: 89 11 mov %edx,(%ecx) <=====
Code; c01c01bb <kobject_add+ad/18a>
2: 8b 53 28 mov 0x28(%ebx),%edx
Code; c01c01be <kobject_add+b0/18a>
5: 86 42 10 xchg %al,0x10(%edx)
Code; c01c01c1 <kobject_add+b3/18a>
8: 8b 44 24 14 mov 0x14(%esp),%eax
Code; c01c01c5 <kobject_add+b7/18a>
c: 89 43 24 mov %eax,0x24(%ebx)
Code; c01c01c8 <kobject_add+ba/18a>
f: c7 .byte 0xc7
Code; c01c01c9 <kobject_add+bb/18a>
10: 44 inc %esp
Code; c01c01ca <kobject_add+bc/18a>
11: 24 10 and $0x10,%al

Jan 7 12:02:10 notebook1 kernel: EIP: [<c01c01b9>]
kobject_add+0xab/0x18a SS:ESP 0068:db6c5e08
Warning (Oops_read): Code line not seen, dumping what data is available


>>EIP; c01c01b9 <kobject_add+ab/18a> <=====


3 warnings issued. Results may not be reliable.


lsmod claims, ide_core would have been loaded and would be in use (by
0). ide_core cannot be unloaded again and it doesn't work at all. It
isn't possible to load usb_storage in this situation, too.


lspci -v
00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML
Express Processor to DRAM Controller (rev 04)
Subsystem: Mitac Unknown device 8048
Flags: bus master, fast devsel, latency 0
Capabilities: [e0] Vendor Specific Information

00:02.0 VGA compatible controller: Intel Corporation Mobile
915GM/GMS/910GML Express Graphics Controller (rev 04) (prog-if 00 [VGA])
Subsystem: Mitac Unknown device 8048
Flags: bus master, fast devsel, latency 0, IRQ 11
Memory at d0000000 (32-bit, non-prefetchable) [size=512K]
I/O ports at e000 [size=8]
Memory at a0000000 (32-bit, prefetchable) [size=256M]
Memory at d0080000 (32-bit, non-prefetchable) [size=256K]
Capabilities: [d0] Power Management version 2

00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML
Express Graphics Controller (rev 04)
Subsystem: Mitac Unknown device 8048
Flags: bus master, fast devsel, latency 0
Memory at d0100000 (32-bit, non-prefetchable) [size=512K]
Capabilities: [d0] Power Management version 2

00:1b.0 Audio device: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6
Family) High Definition Audio Controller (rev 04)
Subsystem: Mitac Unknown device 8048
Flags: bus master, fast devsel, latency 0, IRQ 217
Memory at d0180000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+
Queue=0/0 Enable-
Capabilities: [70] Express Unknown type IRQ 0

00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6
Family) USB UHCI #1 (rev 04) (prog-if 00 [UHCI])
Subsystem: Mitac Unknown device 8048
Flags: bus master, medium devsel, latency 0, IRQ 193
I/O ports at 1200 [size=32]

00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6
Family) USB UHCI #2 (rev 04) (prog-if 00 [UHCI])
Subsystem: Mitac Unknown device 8048
Flags: bus master, medium devsel, latency 0, IRQ 177
I/O ports at 1220 [size=32]

00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6
Family) USB UHCI #3 (rev 04) (prog-if 00 [UHCI])
Subsystem: Mitac Unknown device 8048
Flags: bus master, medium devsel, latency 0, IRQ 201
I/O ports at 1240 [size=32]

00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6
Family) USB2 EHCI Controller (rev 04) (prog-if 20 [EHCI])
Subsystem: Mitac Unknown device 8048
Flags: bus master, medium devsel, latency 0, IRQ 193
Memory at 20000000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] Debug port

00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev d4)
(prog-if 01 [Subtractive decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=01, subordinate=05, sec-latency=32
I/O behind bridge: 0000c000-0000dfff
Memory behind bridge: cc000000-cfffffff
Prefetchable memory behind bridge: 000000009c000000-000000009fffffff
Capabilities: [50] Subsystem: Mitac Unknown device 8048

00:1f.0 ISA bridge: Intel Corporation 82801FBM (ICH6M) LPC Interface
Bridge (rev 04)
Subsystem: Mitac Unknown device 8048
Flags: bus master, medium devsel, latency 0

00:1f.2 IDE interface: Intel Corporation 82801FBM (ICH6M) SATA
Controller (rev 04) (prog-if 80 [Master])
Subsystem: Mitac Unknown device 8048
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 177
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at 1100 [size=16]
Capabilities: [70] Power Management version 2

00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family)
SMBus Controller (rev 04)
Subsystem: Mitac Unknown device 8048
Flags: medium devsel, IRQ 177
I/O ports at 1400 [size=32]

01:02.0 CardBus bridge: Texas Instruments PCIxx21/x515 Cardbus Controller
Subsystem: Mitac Unknown device 8048
Flags: bus master, medium devsel, latency 168, IRQ 169
Memory at cc009000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=01, secondary=02, subordinate=05, sec-latency=176
Memory window 0: 9c000000-9dfff000 (prefetchable)
Memory window 1: ce000000-cffff000
I/O window 0: 0000c400-0000c4ff
I/O window 1: 0000c800-0000c8ff
16-bit legacy interface ports at 0001

01:02.2 FireWire (IEEE 1394): Texas Instruments OHCI Compliant IEEE 1394
Host Controller (prog-if 10 [OHCI])
Subsystem: Mitac Unknown device 8048
Flags: bus master, medium devsel, latency 128, IRQ 177
Memory at fedff800 (32-bit, non-prefetchable) [size=2K]
Memory at cc00c000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [44] Power Management version 2

01:04.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL-8139/8139C/8139C+ (rev 10)
Subsystem: Mitac Unknown device 8048
Flags: bus master, medium devsel, latency 128, IRQ 209
I/O ports at c000 [size=256]
Memory at cc008000 (32-bit, non-prefetchable) [size=256]
Capabilities: [50] Power Management version 2

01:05.0 Network controller: RaLink RT2561/RT61 rev B 802.11g
Subsystem: Micro-Star International Co., Ltd. Unknown device b833
Flags: bus master, slow devsel, latency 128, IRQ 11
Memory at cc000000 (32-bit, non-prefetchable) [size=32K]
Capabilities: [40] Power Management version 2


lsmod (when there is no error)
button 10896 0
usb_storage 82112 0
ide_core 129992 1 usb_storage
ohci_hcd 23428 0
uhci_hcd 26892 0
ohci1394 37040 0
ieee1394 102584 1 ohci1394
nls_iso8859_1 8320 0
nls_cp437 9984 0
vfat 16640 0
fat 55324 1 vfat
af_packet 29320 2
ipv6 263584 16
battery 14340 0
ac 9476 0
twofish 47488 3
cryptoloop 7680 3
apparmor 55572 0
aamatch_pcre 18304 1 apparmor
loop 20488 7 cryptoloop
dm_mod 60184 13
pcmcia 40892 0
firmware_class 14080 1 pcmcia
usbhid 52192 0
snd_hda_intel 23060 1
snd_hda_codec 164352 1 snd_hda_intel
snd_pcm 86916 2 snd_hda_intel,snd_hda_codec
8139too 30592 0
yenta_socket 30348 1
snd_timer 27908 1 snd_pcm
rsrc_nonstatic 17024 1 yenta_socket
snd 61188 6
snd_hda_intel,snd_hda_codec,snd_pcm,snd_timer
mii 9600 1 8139too
pcmcia_core 43412 3 pcmcia,yenta_socket,rsrc_nonstatic
soundcore 13792 1 snd
ehci_hcd 34696 0
snd_page_alloc 14472 2 snd_hda_intel,snd_pcm
usbcore 114896 5
usb_storage,ohci_hcd,uhci_hcd,usbhid,ehci_hcd
i2c_i801 11660 0
intel_agp 27804 1
agpgart 35528 3 intel_agp
i2c_core 25216 1 i2c_i801
reiserfs 237312 7
sr_mod 20132 0
cdrom 38432 1 sr_mod
edd 13892 0
fan 8964 1
sg 38044 0
ata_piix 19332 3
ahci 25860 0
libata 119188 2 ata_piix,ahci
thermal 18568 1
processor 34664 1 thermal
sd_mod 24576 4
scsi_mod 136712 6 usb_storage,sr_mod,sg,ahci,libata,sd_mod


Kind regards,
Andreas Hartmann
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