Re: broken linuxulator in -current as of Jan 8 17:51:45 CET

Divacky Roman wrote:
> On Mon, Jan 08, 2007 at 08:32:03PM +0300, Boris Samorodov wrote:
>> On Mon, 8 Jan 2007 17:51:57 +0100 Divacky Roman wrote:
>>
>>> can someone confirm that running for example /bin/ls
>>> in linux compat doesnt work. here it goes like:
>>> witten ~# /compat/linux/bin/ls
>>> /compat/linux/bin/ls: error while loading shared libraries: /usr/lib/librt.so.1: ELF file OS ABI invalid
>> I don't have -current ATM, but if you won't find an error at your
>> config, I'll definitely do.
>  
> I didnt change anything... it just stopped working :( I am doing
> non-fbsd work these days so I really cannot imagine what changed
>  
>>> I cannot see what can be wrong. I tried to backout all changes that
>>> alexander commited yesterday but it didnt help. is it regression
>>> local to my machine or is the problem -current wide?
>> /usr/ports/UPDATING (20060616: AFFECTS users of emulation/linux_base-*) 
>> has some advices how to find and diagnose the culprit. The most
>> typical case here is changing the standard way of library searching
>> (i.e. LD_* paths, etc.).
> 
> I dont have anything like that set... it looks like a bug in kernel/linux_base
> because the trace looks like:
> 
> Jan  8 18:57:59 witten kernel: linux(1582): open(/lib/tls/librt.so.1, 0x0, 0x0)
> Jan  8 18:57:59 witten kernel: linux(1582): open returns error 2
> Jan  8 18:57:59 witten kernel: linux(1582): open(/compat/linux/lib/librt.so.1, 0x0, 0x0)
> Jan  8 18:57:59 witten kernel: linux(1582): open returns error 0
> Jan  8 18:57:59 witten kernel: linux(1582): open(/usr/lib/tls/librt.so.1, 0x0, 0x0)
> Jan  8 18:57:59 witten kernel: linux(1582): open returns error 2
> Jan  8 18:57:59 witten kernel: linux(1582): open(/usr/lib/librt.so.1, 0x0, 0x0)
> Jan  8 18:57:59 witten kernel: linux(1582): open returns error 0
> Jan  8 18:57:59 witten kernel: linux(1582): exit_group(127)
> 
> ie. it opens the right library but IGNORES it and the iterates through the rest
> and then stops on fbsd library saying that its not compatible...
> 
> from within jail it works (because it must stop at the correct library). I tried
> to reinstall fc4 base but it didnt help. I see this behaviour on both fc4 and gentoo
> base. I even tried to cvsup to yesterdays sources (when it worked for me) but it
> didnt help either.. I am really hopeless ;(

Don't give up hope Roman. :)

If it's of any use, I updated yesterday, and I get the following
behavior. As a regular user, or as root, and without chroot, I get:

/compat/linux/bin/ls
/compat/linux/bin/ls: error while loading shared libraries:
/usr/lib/librt.so.1: ELF file OS ABI invalid

As root, with chroot, I get:

chroot /compat/linux /bin/ls
bin  etc  lib  media  mnt  opt  proc  sbin  selinux  srv  sys  usr  var

hth,

Doug

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