Re: Segmentation Fault when accessing partition

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Hej All

I'm having a similar problem. I can read the root level of my vfat windows 2k partition and some directories below, using ls. However if I try to read the 'winnt' directory I first get a segmentation error and if I try again ls hangs.

What might be important is that the Win2k is a Japanese version.

The same thing happens if I try to use a usb-memory containing Japanese files names. On the other hand I have not experienced any problem with my usb hard drive (unfortunately I don't have it here right now)

I'm using custom kernel 2.6.10 (FC3 configuration + nsp32 scsi-driver)

'fdisk -l ' with the usb-memory pluged in gives


Disk /dev/hda: 40.0 GB, 40020664320 bytes
16 heads, 63 sectors/track, 77545 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hda1   *           1       50793    25599546    c  W95 FAT32 (LBA)
/dev/hda2           52659       52861      102312   83  Linux
/dev/hda3           50793       52658      939802+  1c  Hidden W95 FAT32 (LBA)
/dev/hda4           52862       77536    12436200    f  W95 Ext'd (LBA)
/dev/hda5           52862       73473    10388416+  83  Linux
/dev/hda6           73474       77536     2047720+  82  Linux swap

Partition table entries are not in disk order

Disk /dev/sda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1        7296    58605088+  83  Linux
/dev/sda2            7297        9121    14659312+  83  Linux
/dev/sda3            9122        9729     4883760   83  Linux

Disk /dev/sdb: 1050 MB, 1050935296 bytes
129 heads, 20 sectors/track, 795 cylinders
Units = cylinders of 2580 * 512 = 1320960 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *           1         796     1026293+   e  W95 FAT16 (LBA)
Partition 1 has different physical/logical endings:
     phys=(800, 128, 20) logical=(795, 75, 7)


When pluging in the usb-memory the /var/log/messages looks

Feb 23 19:40:23 hagi3363 kernel: usb 1-6: new high speed USB device using ehci_hcd and address 6
Feb 23 19:40:23 hagi3363 kernel: scsi3 : SCSI emulation for USB Mass Storage devices
Feb 23 19:40:28 hagi3363 kernel:   Vendor: I-O DATA  Model: USB Flash Disk    Rev: 4.70
Feb 23 19:40:28 hagi3363 kernel:   Type:   Direct-Access                      ANSI SCSI revision: 00
Feb 23 19:40:28 hagi3363 kernel: SCSI device sdb: 2052608 512-byte hdwr sectors (1051 MB)
Feb 23 19:40:28 hagi3363 kernel: sdb: Write Protect is off
Feb 23 19:40:28 hagi3363 kernel: sdb: assuming drive cache: write through
Feb 23 19:40:28 hagi3363 kernel: SCSI device sdb: 2052608 512-byte hdwr sectors (1051 MB)
Feb 23 19:40:28 hagi3363 kernel: sdb: Write Protect is off
Feb 23 19:40:28 hagi3363 kernel: sdb: assuming drive cache: write through
Feb 23 19:40:28 hagi3363 kernel:  sdb: sdb1
Feb 23 19:40:28 hagi3363 kernel: Attached scsi removable disk sdb at scsi3, channel 0, id 0, lun 0
Feb 23 19:40:28 hagi3363 scsi.agent[11752]: disk at /devices/pci0000:00/0000:00:1d.7/usb1/1-6/1-6:1.0/host3/target3:0:0/3:0:0:0
Feb 23 19:41:06 hagi3363 kernel: Unable to handle kernel paging request at virtual address 0b0a097a
Feb 23 19:41:06 hagi3363 kernel:  printing eip:
Feb 23 19:41:06 hagi3363 kernel: c01e1f88
Feb 23 19:41:06 hagi3363 kernel: *pde = 00000000
Feb 23 19:41:06 hagi3363 kernel: Oops: 0000 [#5]
Feb 23 19:41:06 hagi3363 kernel: Modules linked in: vfat fat i915 parport_pc lp parport autofs4 sunrpc microcode dm_mod video button battery ac md5 ipv6 usb_storage uhci_hcd ehci_hcd i2c_i801 i2c_core snd_intel8x0 snd_ac97_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc e100 mii floppy ext3 jbd nsp32 sd_mod scsi_mod
Feb 23 19:41:06 hagi3363 kernel: CPU:    0
Feb 23 19:41:06 hagi3363 kernel: EIP:    0060:[<c01e1f88>]    Not tainted VLI
Feb 23 19:41:06 hagi3363 kernel: EFLAGS: 00210202   (2.6.10-20050114)
Feb 23 19:41:06 hagi3363 kernel: EIP is at uni2char+0x28/0x50
Feb 23 19:41:06 hagi3363 kernel: eax: 00000072   ebx: f74d6272   ecx: 0b0a0908   edx: 00000082
Feb 23 19:41:06 hagi3363 kernel: esi: f74d620a   edi: f74d6002   ebp: c03d8300   esp: e31cbe1c
Feb 23 19:41:06 hagi3363 kernel: ds: 007b   es: 007b   ss: 0068
Feb 23 19:41:06 hagi3363 kernel: Process ls (pid: 11806, threadinfo=e31cb000 task=c50360b0)
Feb 23 19:41:06 hagi3363 kernel: Stack: f74d620a 00008272 f8b5121e f74d620a f74d630a 00000000 0000000c f74d620a
Feb 23 19:41:06 hagi3363 kernel:        e31cbf00 00000a53 f8b52907 c03d8300 e31cbed8 00000a52 00000008 e31cbeb0
Feb 23 19:41:06 hagi3363 kernel:        c1000000 00000000 e9ca4422 e31cbf4e e31cbf50 e31cbf56 00e40001 00000000
Feb 23 19:41:06 hagi3363 kernel: Call Trace:
Feb 23 19:41:06 hagi3363 kernel:  [<f8b5121e>] uni16_to_x8+0x4e/0xc0 [fat]
Feb 23 19:41:06 hagi3363 kernel:  [<f8b52907>] fat_readdirx+0xd37/0xe60 [fat]
Feb 23 19:41:06 hagi3363 kernel:  [<c01934c0>] filldir64+0x0/0xf0
Feb 23 19:41:06 hagi3363 kernel:  [<f8b52a58>] fat_readdir+0x28/0x30 [fat]
Feb 23 19:41:06 hagi3363 kernel:  [<c01934c0>] filldir64+0x0/0xf0
Feb 23 19:41:06 hagi3363 kernel:  [<c01931d1>] vfs_readdir+0xc1/0xe0
Feb 23 19:41:06 hagi3363 kernel:  [<c019361e>] sys_getdents64+0x6e/0xb6
Feb 23 19:41:06 hagi3363 kernel:  [<c010391d>] sysenter_past_esp+0x52/0x75
Feb 23 19:41:06 hagi3363 kernel: Code: 90 90 90 56 0f b7 c0 89 d6 53 89 c2 c1 ea 08 85 c9 88 c3 b8 dc ff ff ff 7e 1e 0f b6 c2 8b 0c 85 00 80 3d c0 85 c9 74 0b 0f b6 c3 <0f> b6 04 08 84 c0 75 08 b8 ea ff ff ff 5b 5e c3 88 06 b8 01 00



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