Fwd: ext4 extents.c bug

From: Frej Eriksson
Date: Tue Mar 13 2012 - 15:39:58 EST

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[1.]
Programs crash / segfault when accessing specific (broken?) files

[2.]
[ 950.128885] ------------[ cut here ]------------
[ 950.128893] kernel BUG at /build/buildd/linux-2.6.35/fs/ext4/extents.c:1971!

[ 950.128898] invalid opcode: 0000 [#1] SMP
[ 950.128903] last sysfs file:
/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-4/2-4:1.0/host6/target6:0:0/6:0:0:0/block/sdb/sdb1/uevent
[ 950.128908] CPU 0
[ 950.128910] Modules linked in: usb_storage cryptd aes_x86_64
aes_generic binfmt_misc rfcomm sco bnep l2cap i8k vmnet vmblock vsock
vmci vmmon parport_pc ppdev arc4 nvidia(P) joydev snd_hda_codec_idt
iwlagn iwlcore snd_hda_intel snd_hda_codec snd_hwdep snd_pcm
snd_seq_midi snd_rawmidi snd_seq_midi_event mac80211 snd_seq pcmcia
vhba option snd_timer snd_seq_device btusb usb_wwan dell_wmi coretemp
bluetooth usbserial cfg80211 dell_laptop snd yenta_socket pcmcia_rsrc
psmouse pcmcia_core dcdbas serio_raw soundcore snd_page_alloc
intel_agp lp video output parport firewire_ohci ahci firewire_core
crc_itu_t tg3 libahci

[ 950.128990]
[ 950.128996] Pid: 4227, comm: rsync Tainted: P
2.6.35-30-generic #54-Ubuntu 0HN338/Latitude D830
[ 950.129001] RIP: 0010:[<ffffffff8120d8f8>] [<ffffffff8120d8f8>]
ext4_ext_put_in_cache+0x88/0x90

[ 950.129014] RSP: 0018:ffff880109fb7808 EFLAGS: 00010246
[ 950.129018] RAX: 0000000001000600 RBX: ffff880109fb7988 RCX: 0000000001000600
[ 950.129022] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88010618ba68

[ 950.129026] RBP: ffff880109fb7848 R08: 0000000000000002 R09: 0000000000000000
[ 950.129030] R10: 0000000000000000 R11: 0000000001000600 R12: 0000000000000000
[ 950.129034] R13: 0000000000000000 R14: 0000000001000600 R15: 0000000000000000

[ 950.129039] FS: 00007f41d18b5700(0000) GS:ffff880001e00000(0000)
knlGS:0000000000000000
[ 950.129043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 950.129047] CR2: 00007febce3cf000 CR3: 0000000107e37000 CR4: 00000000000006f0

[ 950.129052] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 950.129056] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 950.129061] Process rsync (pid: 4227, threadinfo ffff880109fb6000,
task ffff8800c8a08000)

[ 950.129064] Stack:
[ 950.129066] ffff88010618ba68 ffff880110d4a180 ffff8801178f8a80
ffff880109fb7988
[ 950.129073] <0> ffff88010618ba68 ffff880110d4a180 ffff88010618b9a8
0000000000000000
[ 950.129080] <0> ffff880109fb7918 ffffffff812113c9 ffff880109fb7888
ffffffff810841c1

[ 950.129088] Call Trace:
[ 950.129097] [<ffffffff812113c9>] ext4_ext_map_blocks+0x2b9/0x7c0
[ 950.129104] [<ffffffff810841c1>] ? lock_hrtimer_base+0x31/0x60
[ 950.129112] [<ffffffff8114e771>] ? __mem_cgroup_try_charge+0x71/0x450

[ 950.129119] [<ffffffff811f13e8>] ext4_map_blocks+0x68/0x200
[ 950.129126] [<ffffffff81036df9>] ? default_spin_lock_flags+0x9/0x10
[ 950.129132] [<ffffffff811f162b>] _ext4_get_block+0xab/0x160

[ 950.129138] [<ffffffff811f1746>] ext4_get_block+0x16/0x20
[ 950.129143] [<ffffffff81188988>] do_mpage_readpage+0x148/0x600
[ 950.129150] [<ffffffff81103658>] ? add_to_page_cache_locked+0xe8/0x160

[ 950.129155] [<ffffffff81188fb3>] mpage_readpages+0x103/0x150
[ 950.129161] [<ffffffff811f1730>] ? ext4_get_block+0x0/0x20
[ 950.129167] [<ffffffff8110a0fd>] ? __alloc_pages_nodemask+0xfd/0x1f0

[ 950.129172] [<ffffffff811f1730>] ? ext4_get_block+0x0/0x20
[ 950.129179] [<ffffffff8113c43a>] ? alloc_pages_current+0x9a/0x100
[ 950.129185] [<ffffffff811edabd>] ext4_readpages+0x1d/0x20

[ 950.129191] [<ffffffff8110d58b>] __do_page_cache_readahead+0x13b/0x210
[ 950.129198] [<ffffffff8110d681>] ra_submit+0x21/0x30
[ 950.129203] [<ffffffff8110da35>] ondemand_readahead+0x115/0x240

[ 950.129209] [<ffffffff8110dc61>] page_cache_sync_readahead+0x31/0x50
[ 950.129214] [<ffffffff8110441e>] T.859+0x31e/0x420
[ 950.129221] [<ffffffff81262eaf>] ? security_inode_permission+0x1f/0x30

[ 950.129227] [<ffffffff81104608>] generic_file_aio_read+0xe8/0x230
[ 950.129233] [<ffffffff8115499a>] do_sync_read+0xda/0x120
[ 950.129240] [<ffffffff81292b38>] ? apparmor_file_permission+0x18/0x20

[ 950.129247] [<ffffffff81261fb6>] ? security_file_permission+0x16/0x20
[ 950.129252] [<ffffffff81155215>] vfs_read+0xb5/0x1a0
[ 950.129257] [<ffffffff81155351>] sys_read+0x51/0x80
[ 950.129264] [<ffffffff8100a0f2>] system_call_fastpath+0x16/0x1b

[ 950.129268] Code: 4d 89 b7 38 03 00 00 45 89 87 48 03 00 00 e8 c0
94 e2 ff 66 90 48 8b 5d d8 4c 8b 65 e0 4c 8b 6d e8 4c 8b 75 f0 4c 8b
7d f8 c9 c3 <0f> 0b eb fe eb 02 90 90 55 48 89 e5 41 57 41 56 41 55 41
54 53

[ 950.129327] RIP [<ffffffff8120d8f8>] ext4_ext_put_in_cache+0x88/0x90
[ 950.129334] RSP <ffff880109fb7808>
[ 950.129339] ---[ end trace 12fa5170cd296b7a ]---

[3.]
ext4, extents.c, kernel, file, segfault

[4.]
Linux version 2.6.35-30-generic (buildd@crested) (gcc version 4.4.5
(Ubuntu/Linaro 4.4.4-14ubuntu5) ) #54-Ubuntu SMP Tue Jun 7 18:41:54
UTC 2011

[5.] Output of Oops.. message (if applicable) with symbolic information

resolved (see Documentation/oops-tracing.txt)

[6.]
frej@frej-laptop:~/Documents/Parera/Parera Web/deployed/img/content$
cp klassrum.png bla.png
Segmentation fault

[7.] Environment
[7.1.] I am sorry i do not have that script at hand

[7.2.]
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 23
model name : Intel(R) Core(TM)2 Duo CPU T9300 @ 2.50GHz
stepping : 6
cpu MHz : 2492.973
cache size : 6144 KB
physical id : 0

siblings : 2
core id : 0
cpu cores : 2
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx
lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64
monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm dts
tpr_shadow vnmi flexpriority

bogomips : 4985.94
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:

processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 23

model name : Intel(R) Core(TM)2 Duo CPU T9300 @ 2.50GHz
stepping : 6
cpu MHz : 2492.973
cache size : 6144 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
apicid : 1
initial apicid : 1

fpu : yes
fpu_exception : yes
cpuid level : 10
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx
lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64
monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm dts
tpr_shadow vnmi flexpriority

bogomips : 4986.07
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:

[7.3.] Module information (from /proc/modules):
usb_storage 50788 1 - Live 0xffffffffa0c4a000

cryptd 8140 0 - Live 0xffffffffa0c31000
aes_x86_64 7936 1 - Live 0xffffffffa0c2a000
aes_generic 27631 1 aes_x86_64, Live 0xffffffffa0c21000
binfmt_misc 7984 1 - Live 0xffffffffa0bd0000
rfcomm 40787 4 - Live 0xffffffffa0c0f000

sco 9986 2 - Live 0xffffffffa0bc0000
bnep 11985 2 - Live 0xffffffffa0124000
l2cap 42304 16 rfcomm,bnep, Live 0xffffffffa0c02000
i8k 6074 0 - Live 0xffffffffa0109000
vmnet 47468 15 - Live 0xffffffffa0b4b000

vmblock 12995 1 - Live 0xffffffffa0b5e000
vsock 43307 0 - Live 0xffffffffa0bf5000
vmci 60490 2 vsock, Live 0xffffffffa0ba8000
vmmon 80183 8 - Live 0xffffffffa0bdf000
parport_pc 30086 0 - Live 0xffffffffa00ff000

ppdev 6804 0 - Live 0xffffffffa00b6000
arc4 1497 2 - Live 0xffffffffa0044000
nvidia 10221014 42 - Live 0xffffffffa0189000 (P)
joydev 11395 0 - Live 0xffffffffa009e000
snd_hda_codec_idt 64763 1 - Live 0xffffffffa0178000

iwlagn 202800 0 - Live 0xffffffffa0d5e000
iwlcore 146875 1 iwlagn, Live 0xffffffffa0d0d000
snd_hda_intel 26147 2 - Live 0xffffffffa0164000
snd_hda_codec 100919 2 snd_hda_codec_idt,snd_hda_intel, Live 0xffffffffa0d43000

snd_hwdep 6660 1 snd_hda_codec, Live 0xffffffffa00af000
snd_pcm 89104 2 snd_hda_intel,snd_hda_codec, Live 0xffffffffa0139000
snd_seq_midi 5932 0 - Live 0xffffffffa0028000
snd_rawmidi 22207 1 snd_seq_midi, Live 0xffffffffa00cb000

snd_seq_midi_event 7291 1 snd_seq_midi, Live 0xffffffffa0024000
mac80211 267099 2 iwlagn,iwlcore, Live 0xffffffffa0b64000
snd_seq 57512 2 snd_seq_midi,snd_seq_midi_event, Live 0xffffffffa0cf5000
pcmcia 40944 0 - Live 0xffffffffa0bd3000

vhba 8925 2 - Live 0xffffffffa012d000
option 16661 0 - Live 0xffffffffa0bb9000
snd_timer 23850 2 snd_pcm,snd_seq, Live 0xffffffffa0bc8000
snd_seq_device 6912 3 snd_seq_midi,snd_rawmidi,snd_seq, Live 0xffffffffa0076000

btusb 12961 2 - Live 0xffffffffa0113000
usb_wwan 12201 1 option, Live 0xffffffffa00a8000
dell_wmi 3372 0 - Live 0xffffffffa0041000
coretemp 6442 0 - Live 0xffffffffa0066000
bluetooth 59245 9 rfcomm,sco,bnep,l2cap,btusb, Live 0xffffffffa0153000

usbserial 40364 2 option,usb_wwan, Live 0xffffffffa016c000
cfg80211 170581 3 iwlagn,iwlcore,mac80211, Live 0xffffffffa00d3000
dell_laptop 6722 0 - Live 0xffffffffa0120000
snd 64277 13 snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device,
Live 0xffffffffa0082000

yenta_socket 24279 0 - Live 0xffffffffa0131000
pcmcia_rsrc 10357 1 yenta_socket, Live 0xffffffffa0128000
psmouse 62080 0 - Live 0xffffffffa00b9000
pcmcia_core 17677 3 pcmcia,yenta_socket,pcmcia_rsrc, Live 0xffffffffa010c000

dcdbas 6942 1 dell_laptop, Live 0xffffffffa0118000
serio_raw 4910 0 - Live 0xffffffffa00b2000
soundcore 1240 1 snd, Live 0xffffffffa00ac000
snd_page_alloc 8588 2 snd_hda_intel,snd_pcm, Live 0xffffffffa00a3000

intel_agp 32334 0 - Live 0xffffffffa0094000
lp 10201 0 - Live 0xffffffffa0056000
video 22176 0 - Live 0xffffffffa007a000
output 2527 1 video, Live 0xffffffffa0037000
parport 37032 3 parport_pc,ppdev,lp, Live 0xffffffffa006a000

firewire_ohci 24839 0 - Live 0xffffffffa005d000
ahci 22370 3 - Live 0xffffffffa0039000
firewire_core 54327 1 firewire_ohci, Live 0xffffffffa0046000
crc_itu_t 1739 1 firewire_core, Live 0xffffffffa0034000
tg3 135736 0 - Live 0xffffffffa0000000

libahci 26148 1 ahci, Live 0xffffffffa002b000

[7.4.] Loaded driver and hardware information (/proc/ioports, /proc/iomem)
frej@frej-laptop:~$ cat /proc/ioports
0000-0cf7 : PCI Bus 0000:00
0000-001f : dma1

0020-0021 : pic1
0040-0043 : timer0
0050-0053 : timer1
0060-0060 : keyboard
0064-0064 : keyboard
0070-0071 : rtc0
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : fpu

0170-0177 : 0000:00:1f.1
0170-0177 : ata_piix
01f0-01f7 : 0000:00:1f.1
01f0-01f7 : ata_piix
0376-0376 : 0000:00:1f.1
0376-0376 : ata_piix
03c0-03df : vga+
03f6-03f6 : 0000:00:1f.1

03f6-03f6 : ata_piix
03f8-03ff : serial
04d0-04d1 : pnp 00:0b
0809-0809 : pnp 00:0c
0900-097f : pnp 00:0b
0c80-0caf : pnp 00:05
0cb0-0cbb : pnp 00:0a
0cf8-0cff : PCI conf1
0d00-ffff : PCI Bus 0000:00

1000-107f : 0000:00:1f.0
1000-1003 : ACPI PM1a_EVT_BLK
1004-1005 : ACPI PM1a_CNT_BLK
1008-100b : ACPI PM_TMR
1010-1015 : ACPI CPU throttle
1020-1020 : ACPI PM2_CNT_BLK
1028-102f : ACPI GPE0_BLK

1080-10bf : 0000:00:1f.0
1080-10bf : pnp 00:0c
10c0-10df : 0000:00:1f.3
10c0-10df : pnp 00:0c
2000-2fff : PCI Bus 0000:0b
3000-3fff : PCI Bus 0000:0c
4000-4fff : PCI Bus 0000:09
5000-5fff : PCI Bus 0000:03

5000-50ff : PCI CardBus 0000:04
5400-54ff : PCI CardBus 0000:04
6eb0-6eb7 : 0000:00:1f.2
6eb0-6eb7 : ahci
6eb8-6ebb : 0000:00:1f.2
6eb8-6ebb : ahci
6ec0-6ec7 : 0000:00:1f.2
6ec0-6ec7 : ahci

6ec8-6ecb : 0000:00:1f.2
6ec8-6ecb : ahci
6ee0-6eff : 0000:00:1f.2
6ee0-6eff : ahci
6f00-6f1f : 0000:00:1a.1
6f00-6f1f : uhci_hcd
6f20-6f3f : 0000:00:1a.0
6f20-6f3f : uhci_hcd

6f40-6f5f : 0000:00:1d.2
6f40-6f5f : uhci_hcd
6f60-6f7f : 0000:00:1d.1
6f60-6f7f : uhci_hcd
6f80-6f9f : 0000:00:1d.0
6f80-6f9f : uhci_hcd
6fa0-6faf : 0000:00:1f.1
6fa0-6faf : ata_piix

d000-dfff : PCI Bus 0000:0d
e000-efff : PCI Bus 0000:01
ef00-ef7f : 0000:01:00.0
f400-f4fe : pnp 00:0c

frej@frej-laptop:~$ cat /proc/ioports
0000-0cf7 : PCI Bus 0000:00
0000-001f : dma1

0020-0021 : pic1
0040-0043 : timer0
0050-0053 : timer1
0060-0060 : keyboard
0064-0064 : keyboard
0070-0071 : rtc0
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : fpu

0170-0177 : 0000:00:1f.1
0170-0177 : ata_piix
01f0-01f7 : 0000:00:1f.1
01f0-01f7 : ata_piix
0376-0376 : 0000:00:1f.1
0376-0376 : ata_piix
03c0-03df : vga+
03f6-03f6 : 0000:00:1f.1

03f6-03f6 : ata_piix
03f8-03ff : serial
04d0-04d1 : pnp 00:0b
0809-0809 : pnp 00:0c
0900-097f : pnp 00:0b
0c80-0caf : pnp 00:05
0cb0-0cbb : pnp 00:0a
0cf8-0cff : PCI conf1
0d00-ffff : PCI Bus 0000:00

1000-107f : 0000:00:1f.0
1000-1003 : ACPI PM1a_EVT_BLK
1004-1005 : ACPI PM1a_CNT_BLK
1008-100b : ACPI PM_TMR
1010-1015 : ACPI CPU throttle
1020-1020 : ACPI PM2_CNT_BLK
1028-102f : ACPI GPE0_BLK

1080-10bf : 0000:00:1f.0
1080-10bf : pnp 00:0c
10c0-10df : 0000:00:1f.3
10c0-10df : pnp 00:0c
2000-2fff : PCI Bus 0000:0b
3000-3fff : PCI Bus 0000:0c
4000-4fff : PCI Bus 0000:09
5000-5fff : PCI Bus 0000:03

5000-50ff : PCI CardBus 0000:04
5400-54ff : PCI CardBus 0000:04
6eb0-6eb7 : 0000:00:1f.2
6eb0-6eb7 : ahci
6eb8-6ebb : 0000:00:1f.2
6eb8-6ebb : ahci
6ec0-6ec7 : 0000:00:1f.2
6ec0-6ec7 : ahci

6ec8-6ecb : 0000:00:1f.2
6ec8-6ecb : ahci
6ee0-6eff : 0000:00:1f.2
6ee0-6eff : ahci
6f00-6f1f : 0000:00:1a.1
6f00-6f1f : uhci_hcd
6f20-6f3f : 0000:00:1a.0
6f20-6f3f : uhci_hcd

6f40-6f5f : 0000:00:1d.2
6f40-6f5f : uhci_hcd
6f60-6f7f : 0000:00:1d.1
6f60-6f7f : uhci_hcd
6f80-6f9f : 0000:00:1d.0
6f80-6f9f : uhci_hcd
6fa0-6faf : 0000:00:1f.1
6fa0-6faf : ata_piix

d000-dfff : PCI Bus 0000:0d
e000-efff : PCI Bus 0000:01
ef00-ef7f : 0000:01:00.0
f400-f4fe : pnp 00:0c
frej@frej-laptop:~$ cat /proc/iomem
00000000-0000ffff : reserved
00010000-0009efff : System RAM

0009f000-0009ffff : reserved
000a0000-000bffff : PCI Bus 0000:00
000c0000-000cffff : pnp 00:0d
000d0000-000dffff : PCI Bus 0000:00
000e0000-000fffff : pnp 00:0d
00100000-dfe5a7ff : System RAM
01000000-01597892 : Kernel code

01597893-01ad6c4f : Kernel data
01bc3000-01d63a53 : Kernel bss
dfe5a800-dfffffff : reserved
dfe5a800-dfefffff : pnp 00:0d
dff00000-dfffffff : pnp 00:0d
e0000000-f7ffffff : PCI Bus 0000:00
e0000000-efffffff : PCI Bus 0000:01

e0000000-efffffff : 0000:01:00.0
f0000000-f01fffff : PCI Bus 0000:0d
f0200000-f03fffff : PCI Bus 0000:0b
f0400000-f05fffff : PCI Bus 0000:0b
f0600000-f07fffff : PCI Bus 0000:0c
f0800000-f09fffff : PCI Bus 0000:09

f0c00000-f0ffffff : PCI CardBus 0000:04
f1000000-f13fffff : PCI CardBus 0000:04
f1a00000-f1afffff : PCI Bus 0000:03
f1a00000-f1a00fff : 0000:03:01.0
f1a00000-f1a00fff : yenta_socket
f1afe800-f1afefff : 0000:03:01.4

f1aff000-f1afffff : 0000:03:01.4
f1aff000-f1afffff : firewire_ohci
f1b00000-f1bfffff : PCI Bus 0000:09
f1bf0000-f1bfffff : 0000:09:00.0
f1bf0000-f1bfffff : tg3
f1c00000-f1efffff : PCI Bus 0000:0d

f1f00000-f1ffffff : PCI Bus 0000:0c
f1ffe000-f1ffffff : 0000:0c:00.0
f1ffe000-f1ffffff : iwlagn
f2000000-f6efffff : PCI Bus 0000:01
f2000000-f3ffffff : 0000:01:00.0
f4000000-f401ffff : 0000:01:00.0

f5000000-f5ffffff : 0000:01:00.0
f5000000-f5ffffff : nvidia
f6ffb700-f6ffb7ff : 0000:00:1f.3
f6ffb800-f6ffbfff : 0000:00:1f.2
f6ffb800-f6ffbfff : ahci
f6ffc000-f6ffffff : 0000:00:1b.0

f6ffc000-f6ffffff : ICH HD audio
f8000000-fbffffff : PCI MMCONFIG 0000 [bus 00-3f]
f8000000-fbffffff : reserved
f8000000-fbffffff : pnp 00:0d
fc000000-febfffff : PCI Bus 0000:00
fec00000-fec0ffff : reserved

fec00000-fec003ff : IOAPIC 0
fec10000-fecfffff : PCI Bus 0000:00
fed00000-fed003ff : HPET 0
fed00000-fed003ff : pnp 00:08
fed18000-fed1bfff : reserved
fed18000-fed1bfff : pnp 00:0d
fed1c000-fed1ffff : PCI Bus 0000:00

fed1c000-fed1c3ff : 0000:00:1d.7
fed1c000-fed1c3ff : ehci_hcd
fed1c400-fed1c7ff : 0000:00:1a.7
fed1c400-fed1c7ff : ehci_hcd
fed20000-fed8ffff : reserved
fed20000-fed3ffff : pnp 00:0d
fed40000-fed44fff : PCI Bus 0000:00

fed40000-fed44fff : pnp 00:0a
fed45000-fed8ffff : pnp 00:0d
fed90000-fed9ffff : PCI Bus 0000:00
feda0000-feda5fff : reserved
feda0000-feda3fff : pnp 00:0d
feda4000-feda4fff : pnp 00:0d
feda5000-feda5fff : pnp 00:0d

feda6000-feda6fff : pnp 00:0d
feda7000-fedfffff : PCI Bus 0000:00
fee00000-fee0ffff : reserved
fee00000-fee0ffff : pnp 00:0d
fee00000-fee00fff : Local APIC
fee10000-ff9fffff : PCI Bus 0000:00
ffa00000-ffbfffff : pnp 00:0d

ffc00000-ffdfffff : PCI Bus 0000:00
ffe00000-ffffffff : reserved
ffe00000-ffffffff : pnp 00:0d
100002000-11fffffff : System RAM

[7.5.] PCI information ('lspci -vvv' as root)
see attached file

[7.6.] SCSI information (from /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: TSSTcorp Model: DVD+-RW TS-L632H Rev: D400
Type: CD-ROM ANSI SCSI revision: 05

Host: scsi2 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: Kingston SSDNow Rev: B090
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi5 Channel: 00 Id: 00 Lun: 00
Vendor: CDEmu Model: Virt. CD/DVD-ROM Rev: 1.10

Type: CD-ROM ANSI SCSI revision: 00
Host: scsi5 Channel: 00 Id: 01 Lun: 00
Vendor: CDEmu Model: Virt. CD/DVD-ROM Rev: 1.10
Type: CD-ROM ANSI SCSI revision: 00

Host: scsi6 Channel: 00 Id: 00 Lun: 00
Vendor: WD Model: Ext HDD 1021 Rev: 2002
Type: Direct-Access ANSI SCSI revision: 02

[7.7.] Other information that might be relevant to the problem

(please look in /proc and include all information that you
think to be relevant):

[X.] Other notes, patches, fixes, workarounds:
I have not found any workaround. I have tried booting on latest
"www.sysresccd.org" in order to try on a later Kernel version. But the
error is the same. It seems like some files on my filesystem are
corrupt and trigger this when being read.

I have run fsck on my system and also from the sysresccd (v 1.42). No
errors are being reported.

I can run "mv" on a broken file if that is of any help to you, ls
shows file size.

Best regards,

Frej Eriksson

Attachment: out.fil
Description: Binary data

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