tag 473074 confirmed
thanks
On 27/03/2008, A. Costa <[EMAIL PROTECTED]> wrote:
...
>
> But...
>
> % kgb hda1.tar.kgb hda1.tar ; echo $?
> Nothing to compress, archive won't be created.
> 1
>
> 'kgb' will compress those 1G archives without complaint, maybe the
> problem is the size. Apparently 1G works, but 2.3G doesn't; I
> haven't tested to find out the limit.
At first look it seems like it is related to LFS, a local test confirms:
open("/tmp/old_install.img", O_RDONLY) = -1 EOVERFLOW (Value too large
for defined data type)
fstat64(1, {st_mode=S_IFCHR|0600, st_rdev=makedev(136, 3), ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0xb7fd9000
write(1, "File not found, skipping: /tmp/"..., 48File not found,
skipping: /tmp/old_install.img
) = 48
write(1, "Nothing to compress, archive won"..., 47Nothing to compress,
archive won't be created.
) = 47
But the output message is not quite the same. Could you please provide
me with a strace?
Recompiling kgb with the necessary LFS flags (which somehow I missed
to pass to gcc but were set in debian/rules) does fix that problem.
But now I found another one:
open("/tmp/old_install.img", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=3320379455, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0xb7f49000
fstat64(3, {st_mode=S_IFREG|0644, st_size=3320379455, ...}) = 0
_llseek(3, 3320377344, [3320377344], SEEK_SET) = 0
read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
2111) = 2111
close(3) = 0
munmap(0xb7f49000, 4096) = 0
fstat64(1, {st_mode=S_IFCHR|0600, st_rdev=makedev(136, 3), ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0xb7f49000
write(1, "Nothing to compress, archive won"..., 47Nothing to compress,
archive won't be created.
) = 47
As you can see I'm trying to compress a 3320379455bytes file (~3.3GB)
>
> (If it matters, the disk had 2.65G free, and 'rzip' was able to
> compress the same 'hda1.tar'.)
It isn't related to the free disk space, because it first performs a
check to make sure it really has to compress something.
>
>
> -- System Information:
> Debian Release: lenny/sid
> APT prefers unstable
> APT policy: (500, 'unstable')
> Architecture: i386 (i686)
>
> Kernel: Linux 2.6.24-1-686 (SMP w/1 CPU core)
> Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968) (ignored: LC_ALL set to
> C)
> Shell: /bin/sh linked to /bin/dash
>
> Versions of packages kgb depends on:
> ii libc6 2.7-9 GNU C Library: Shared libraries
> ii libgcc1 1:4.3.0-1 GCC support library
> ii libstdc++6 4.3.0-1 The GNU Standard C++ Library v3
>
> kgb recommends no packages.
>
> -- no debconf information
>
>
>
Cheers,
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