Re: dumpe2fs/dump/restore not working correctly for ext4?

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On Thu, 4 Mar 2010, tytso@xxxxxxx wrote:

On Thu, Mar 04, 2010 at 10:19:57AM -0500, Justin Piszcz wrote:
Hi,

I need to look into this more obviously and try other dumps etc, but
I even tried extracting a single (smaller) directory and it also
segfaulted, has dump been tested properly with ext4?

Was dump/restore statically or dynamically linked?  And with which
version of libext2fs from e2fsprogs?

						- Ted


Hi,

I tried restoring from two different datasets on one machine <10GB and another
one ~30GB, all files are corrupted, other users report the same problem:

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511651
https://lists.ubuntu.com/archives/universe-bugs/2009-June/098729.html

Per your requests:

They are dynamically linked.
This is standard Debian Testing x86_64, nothing custom (in the distribution).

p34:~# ldd `which dump`
        linux-vdso.so.1 =>  (0x00007fff93192000)
        libext2fs.so.2 => /lib/libext2fs.so.2 (0x00007f0bdf559000)
        libcom_err.so.2 => /lib/libcom_err.so.2 (0x00007f0bdf356000)
        libblkid.so.1 => /lib/libblkid.so.1 (0x00007f0bdf141000)
        libuuid.so.1 => /lib/libuuid.so.1 (0x00007f0bdef3d000)
        libc.so.6 => /lib/libc.so.6 (0x00007f0bdebe9000)
        libpthread.so.0 => /lib/libpthread.so.0 (0x00007f0bde9cc000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f0bdf79a000)
p34:~# ldd `which restore`
        linux-vdso.so.1 =>  (0x00007fff857ed000)
        libext2fs.so.2 => /lib/libext2fs.so.2 (0x00007f5b5c3cd000)
        libcom_err.so.2 => /lib/libcom_err.so.2 (0x00007f5b5c1ca000)
        libe2p.so.2 => /lib/libe2p.so.2 (0x00007f5b5bfc3000)
        libreadline.so.5 => /lib/libreadline.so.5 (0x00007f5b5bd83000)
        libncurses.so.5 => /lib/libncurses.so.5 (0x00007f5b5bb3e000)
        libc.so.6 => /lib/libc.so.6 (0x00007f5b5b7e9000)
        libpthread.so.0 => /lib/libpthread.so.0 (0x00007f5b5b5cd000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f5b5c60e000)
        libdl.so.2 => /lib/libdl.so.2 (0x00007f5b5b3c9000)
p34:~# dpkg -l | grep libext2fs
p34:~# dpkg -l | grep libe2fs
p34:~# dpkg -l | grep e2fs
ii  e2fslibs                             1.41.10-1                  ext2/ext3/ext4 file system libraries
ii  e2fsprogs                            1.41.10-1                  ext2/ext3/ext4 file system utilities
p34:~#

p34:~# dpkg -S /lib/libext2fs.so.2
e2fslibs: /lib/libext2fs.so.2
p34:~#

Justin.


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