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Re: giis-ext4 undelete



On Thu, 11 Feb 2010 at 19:56, lakshmi pathi wrote:
> Feedback/comments on giis-ext4 are most welcome.

I'm always curious about these undeletion attempts and so I've tried it. 
But without luck again:

   # giis-ext4 -g
   Enter your option: 1
   giis-ext4: giis-ext4.c:863: open_db: Assertion `error == 0' failed.
   Aborted
   # echo $?
   134

This has been compiled with 
  - e2fslibs-dev 1.41.10
  - libsqlite3-dev 3.6.22
  - gcc 4.4.3, with -g -ggdb

I've attached the gdb output and tune2fs output to this email.

HTH,
Christian.
-- 
BOFH excuse #24:

network packets travelling uphill (use a carrier pigeon)
#
# Makefile
#
CFLAGS = -g -ggdb
LDFLAGS = -lext2fs -lsqlite3

giis-ext4:
	gcc $(CFLAGS) $(LDFLAGS) src/giis-ext4.c -o giis-ext4

clean:
	rm -f giis-ext4

all: giis-ext4

.PHONY: clean

.PHONY: giis-ext4 all
tune2fs 1.41.10 (10-Feb-2009)
Filesystem volume name:   <none>
Last mounted on:          /mnt/d1
Filesystem UUID:          65de9933-1be8-49cc-909c-e324a49f62d6
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super huge_file uninit_bg dir_nlink extra_isize
Filesystem flags:         signed_directory_hash 
Default mount options:    (none)
Filesystem state:         clean
Errors behavior:          Continue
Filesystem OS type:       Linux
Inode count:              128016
Block count:              512000
Reserved block count:     25600
Free blocks:              485334
Free inodes:              128005
First block:              1
Block size:               1024
Fragment size:            1024
Reserved GDT blocks:      256
Blocks per group:         8192
Fragments per group:      8192
Inodes per group:         2032
Inode blocks per group:   254
Flex block group size:    16
Filesystem created:       Sat Feb 13 07:35:00 2010
Last mount time:          Sat Feb 13 07:35:09 2010
Last write time:          Sat Feb 13 07:35:09 2010
Mount count:              1
Maximum mount count:      21
Last checked:             Sat Feb 13 07:35:00 2010
Check interval:           15552000 (6 months)
Next check after:         Thu Aug 12 08:35:00 2010
Lifetime writes:          24 MB
Reserved blocks uid:      0 (user root)
Reserved blocks gid:      0 (group root)
First inode:              11
Inode size:	          128
Journal inode:            8
Default directory hash:   half_md4
Directory Hash Seed:      3990aa48-db93-4905-82dc-6e09c49ef971
Journal backup:           inode blocks
# grep /mnt/d1 /proc/mounts
/dev/mapper/vg0-lv0 /mnt/d1 ext4 rw,relatime,barrier=1,data=ordered 0 0

# gdb /usr/local/src/giis-ext4/bin/giis-ext4
GNU gdb (GDB) 7.0.1-debian
This GDB was configured as "x86_64-linux-gnu".
Reading symbols from /usr/local/src/giis-ext4/bin/giis-ext4...(no debugging symbols found)...done.
(gdb) run -g
Starting program: /usr/local/src/giis-ext4/bin/giis-ext4 -g
[Thread debugging using libthread_db enabled]

 Device Found : /dev/xvda1
 press 1: get all user files
 press 2: get specific user files
 press 3: get specific file type
 press 4: get specific file
 press 5: get it by deleted date
 Enter your option:1
giis-ext4: giis-ext4.c:863: open_db: Assertion `error == 0' failed.

Program received signal SIGABRT, Aborted.
0x00007ffff7603f45 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
64	../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
	in ../nptl/sysdeps/unix/sysv/linux/raise.c
(gdb) bt
#0  0x00007ffff7603f45 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x00007ffff7606d80 in *__GI_abort () at abort.c:88
#2  0x00007ffff75fd08a in *__GI___assert_fail (assertion=0x404304 "error == 0", file=<value optimized out>, line=863, function=0x404dbf "open_db") at assert.c:78
#3  0x0000000000403bdc in open_db ()
#4  0x00000000004024ce in giis_ext4_recover_all ()
#5  0x0000000000401831 in main ()

(gdb) bt full
#0  0x00007ffff7603f45 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        pid = <value optimized out>
        selftid = <value optimized out>
#1  0x00007ffff7606d80 in *__GI_abort () at abort.c:88
        act = {__sigaction_handler = {sa_handler = 0x404304 <__dso_handle+1276>, sa_sigaction = 0x404304 <__dso_handle+1276>}, sa_mask = {__val = {140737344616945, 140737488348880, 863, 
              140737488349120, 140737343861862, 206158430232, 140737488349136, 140737488348912, 140737343776536, 206158430256, 140737488349160, 6357648, 6357632, 1, 4211460, 140737488350776}}, 
          sa_flags = -143746404, sa_restorer = 0x4042f8 <__dso_handle+1264>}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007ffff75fd08a in *__GI___assert_fail (assertion=0x404304 "error == 0", file=<value optimized out>, line=863, function=0x404dbf "open_db") at assert.c:78
        buf = 0x610290 ""
#3  0x0000000000403bdc in open_db ()
No symbol table info available.
#4  0x00000000004024ce in giis_ext4_recover_all ()
No symbol table info available.
#5  0x0000000000401831 in main ()
No symbol table info available.
(gdb) quit
A debugging session is active.

	Inferior 1 [process 5065] will be killed.

Quit anyway? (y or n) y

# file /usr/local/src/giis-ext4/bin/giis-ext4
/usr/local/src/giis-ext4/bin/giis-ext4: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), dynamically linked (uses shared libs), for GNU/Linux 2.6.18, not stripped

# ldd /usr/local/src/giis-ext4/bin/giis-ext4
	linux-vdso.so.1 =>  (0x00007fffbbdff000)
	libsqlite3.so.0 => /usr/lib/libsqlite3.so.0 (0x00007fdb7e324000)
	libext2fs.so.2 => /lib/libext2fs.so.2 (0x00007fdb7e0f6000)
	libc.so.6 => /lib/libc.so.6 (0x00007fdb7dda1000)
	libpthread.so.0 => /lib/libpthread.so.0 (0x00007fdb7db85000)
	libdl.so.2 => /lib/libdl.so.2 (0x00007fdb7d981000)
	libcom_err.so.2 => /lib/libcom_err.so.2 (0x00007fdb7d77d000)
	/lib64/ld-linux-x86-64.so.2 (0x00007fdb7e5b8000)

# ls -lgo /usr/local/src/giis-ext4/bin/giis-ext4
-rwx------ 1 30800 Feb 10 20:24 /usr/local/src/giis-ext4/bin/giis-ext4

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