Re: fsck_extfs & numdirs

[Pierre Pronchery <khorben%defora.org@localhost>]

                        Hey,

On 2008-06-10, Patrick Welche <prlw1%cam.ac.uk@localhost> wrote:
> I was surprised to see
>
>   Program terminated with signal 8, Arithmetic exception.
>
> while running fsck_ext2fs on a very unhappy disk:

Another unhappy filesystem, another error:

$ sudo ./fsck_ext2fs /dev/wd1e
** /dev/rwd1e
BAD SUPER BLOCK: VALUES IN SUPER BLOCK DISAGREE WITH THOSE IN FIRST ALTERNATE
Floating point exception (core dumped)
$ sudo gdb ./fsck_ext2fs fsck_ext2fs.core 
GNU gdb 6.5
[...]
Core was generated by `fsck_ext2fs'.
Program terminated with signal 8, Arithmetic exception.
#0  0x080528df in calcsb (dev=0x8056780 "/dev/rwd1e", devfd=3, fs=0xbfbfdcd0) 
at setup.c:482
482             fs->e2fs.e2fs_bcount = (pp->p_size * DEV_BSIZE) / 
fs->e2fs_bsize;
(gdb) bt
#0  0x080528df in calcsb (dev=0x8056780 "/dev/rwd1e", devfd=3, fs=0xbfbfdcd0) 
at setup.c:482
#1  0x080519d1 in setup (dev=0x8056780 "/dev/rwd1e") at setup.c:151
#2  0x0804d0d4 in checkfilesys (filesys=0x8056780 "/dev/rwd1e", mntpt=0x0, 
auxdata=0, child=0) at main.c:206
#3  0x0804cfef in main (argc=0, argv=0xbfbfed5c) at main.c:169
(gdb) print fs->e2fs_bsize 
$1 = 0

HTH,
-- 
khorben