Re: [Qemu-devel] [PATCH 0/7] target-ppc/linux-user: NPTL support

[Laurent Vivier <laurent@vivier.eu>]

>On Wed, Jun 10, 2009 at 11:36:17AM +0200, Laurent Vivier <laurent@vivier.eu> 
>wrote:
>> >$ cat /proc/sys/fs/binfmt_misc/qemu-ppc
>> >enabled
>> >interpreter /usr/bin/qemu-ppc
>> 
>> so qemu must be located at /usr/bin/ not / under your chrooted filesystem.
>
>Ah, wow.
>
>So it was a bug on my side, now it works!
>
>OTOH, there is an other odd error. Here is a sample test program:
>
>#include <stdio.h>
>#include <sys/stat.h>
>
>int main()
>{
>        struct stat buf;
>        if (stat("usr/bin/ls", &buf)) {
>                printf("not found\n");
>        } else {
>                printf("found\n");
>        }
>        return 0;
>}
>
>host$ ppc-frugalware-linux-gcc hello2.c -o hello2
>host$ file hello2
>hello2: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1
>(SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.4.3, not
>stripped
>host$ ./hello2
>found
>host$ sudo chroot .
>chroot:/# ./hello2
>not found
>chroot:/# grep usr hello2.c
>        if (stat("usr/bin/ls", &buf)) {
>chroot:/# ls usr/bin/ls
>usr/bin/ls
>
>Is it a bug that stat() does not found what ls does, or have I missed
>something? :)
>

IMHO, it looks like a bug, you should display errno, try also "ls -l".

Laurent
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--------------------- Laurent@vivier.eu  ---------------------
"Tout ce qui est impossible reste à accomplir"    Jules Verne
"Things are only impossible until they're not" Jean-Luc Picard