Re: [XenPPC] 64bit apps in DomU should get a more useful error message [Fixed]

[Christian Ehrhardt <ehrhardt@xxxxxxxxxxxxxxxxxx>]

Jimi Xenidis wrote:
> > Now Executed in a xenppc DomU
> > ./hellobit.32
> > Hello World!
> > ./hellobit.64
> > -bash: ./hellobit.64: No such file or directory
> hmm.. this works just fine for me and should have nothing to do with 
> Xen at all, unless your block device does not work :)
> can you cat it? ls it? file it?
Yes I can (tested it already). Hollis suggested that there may be some 
compat libraries missing but I did not find an obvious one missing.
And thats right, some links in /lib64 were broken while I created the 
DomU image files from my Dom0 some months ago.
I should never trust rpm -qa without checking file existence ;-)

=>Fixed, the following is just a bit of output how it looks like so that 
everyone with a similar issue will find some help here via google.
DomU:
uname -a
Linux xen_SLES10_G1 2.6.18-Xen #25 SMP Sun Jul 29 00:29:02 CEST 2007 
ppc64 ppc64 ppc64 GNU/Linux
file hellobit.32 hellobit.64
hellobit.32: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 
(SYSV), for GNU/Linux 2.6.4, dynamically linked (uses shared libs), for 
GNU/Linux 2.6.4, not stripped
hellobit.64: ELF 64-bit MSB executable, cisco 7500, version 1 (SYSV), 
for GNU/Linux 2.6.4, dynamically linked (uses shared libs), for 
GNU/Linux 2.6.4, not stripped
ldd hellobit.32
       linux-vdso32.so.1 =>  (0x00100000)
       libc.so.6 => /lib/power4/libc.so.6 (0x0fe8b000)
       /lib/ld.so.1 (0xf7fe1000)
ldd hellobit.64
       not a dynamic executable

Dom0:
uname -a
Linux pbclient4 2.6.18-Xen #25 SMP Sun Jul 29 00:29:02 CEST 2007 ppc64 
ppc64 ppc64 GNU/Linux
file hellobit.32 hellobit.64
hellobit.32: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 
(SYSV), for GNU/Linux 2.6.4, dynamically linked (uses shared libs), not 
stripped
hellobit.64: ELF 64-bit MSB executable, 64-bit PowerPC or cisco 7500, 
version 1 (SYSV), for GNU/Linux 2.6.4, dynamically linked (uses shared 
libs), not stripped
ldd hellobit.32
       linux-vdso32.so.1 =>  (0x00100000)
       libc.so.6 => /lib/libc.so.6 (0x0fe8d000)
       /lib/ld.so.1 (0xf7fe1000)
ldd hellobit.64
       linux-vdso64.so.1 =>  (0x0000000000100000)
       libc.so.6 => /lib64/libc.so.6 (0x0000040000055000)
       /lib64/ld64.so.1 (0x0000040000000000)

--

Grüsse / regards, 
Christian Ehrhardt
IBM Linux Technology Center, Open Virtualization
+49 7031/16-3385
Ehrhardt@xxxxxxxxxxxxxxxxxx
Ehrhardt@xxxxxxxxxx

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