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Re: Linux ext2 filesystem




	Hello,

     I have real difficulties in reading ext2fs.
  I caught such a message :
  FS_LINUX_ll_rw_block: oskit_blkio_read: 0 expected 4096

  I 've defined a break point on error printing and
  provide here a complete backtrace of call stack.
  
  If you're using ext2fs with OSkit 20000202 or 20000505
  without any problem or with similar problems,
  please contact me to try to find bug out.

-- Yves Martin --- Elève-ingénieur ENSIMAG - 3e année ---
  Adr : R.H.B. Ch. 765     Yves.Martin@ensimag.imag.fr   
  2 av. J. O.  GRENOBLE      Tél: 04 76 44 20 01         
---------------------------- ICQ: 53379907 --------------


> ls
./ ../ lost_found/ dev/ etc/ home/ mnt/ tmp/ var/ FS_LINUX_ll_rw_block:
oskit_blkio_read: 0 expected 4096
root FS_LINUX_ll_rw_block: oskit_blkio_read: 0 expected 4096
proc FS_LINUX_ll_rw_block: oskit_blkio_read: 0 expected 4096
bin FS_LINUX_ll_rw_block: oskit_blkio_read: 0 expected 4096
boot FS_LINUX_ll_rw_block: oskit_blkio_read: 0 expected 4096
lib FS_LINUX_ll_rw_block: oskit_blkio_read: 0 expected 4096
opt sbin usr/ misc/ cdrom@ floppy@ FS_LINUX_ll_rw_block: oskit_blkio_read:
0 expected 4096
nfs1 nfs2 .bash_history


Backtrace
---------

(gdb) info stack
#0  FS_LINUX_ll_rw_block (rw=0, nr=1, bh=0x194254) at dev.c:333
#1  0x131985 in FS_LINUX_bread (dev=256, block=622596, size=4096) at
../../linux/src/fs/buffer.c:851
#2  0x141c67 in FS_LINUX_ext2_read_inode (inode=0x1027760) at
ext2_inode.c:498
#3  0x12ad62 in get_new_inode (sb=0x10250d4, ino=311905, head=0x17e548) at
../../linux/src/fs/inode.c:603
#4  0x12af12 in FS_LINUX_iget (sb=0x10250d4, ino=311905) at
../../linux/src/fs/inode.c:700
#5  0x145a02 in FS_LINUX_ext2_lookup (dir=0x1026000, dentry=0x10300ac) at
ext2_namei.c:183
#6  0x12efe4 in real_lookup (parent=0x10252fc, name=0x1943ac, flags=0) at
../../linux/src/fs/namei.c:272
#7  0x12f1f0 in FS_LINUX_lookup_dentry (name=0x194948 "root",
base=0x10252fc, lookup_flags=0) at ../../linux/src/fs/namei.c:403
#8  0x139f17 in dir_lookup (d=0x1003fc4, name=0x194948 "root",
out_file=0x194544) at file.c:948
#9  0x104b24 in fsn_lookup (fs=0x10032e8, name=0x103034c "root", flags=1,
isdir=0x194d90, fileret=0x194d94) at
../../fsnamespace/src/fsn_lookup.c:170
#10 0x1033ac in fsnamespace_lookup (f=0x10032e8, filename=0x103034c
"root", flags=1, out_file=0x194de4) at
../../fsnamespace/src/fsnamespace.c:208
#11 0x14fc72 in fs_lookup (name=0x103034c "root", flags=1,
fileret=0x194de4) at fs.c:163
#12 0x14fdf9 in lstat (name=0x103034c "root", sb=0x194e14) at lstat.c:29
#13 0x100439 in read_command () at ext2mount.c:172
#14 0x1009e8 in main (argc=1, argv=0x1000000) at ext2mount.c:359




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