From: "La Monte H.P. Yarroll" <piggy@timesys.com>
To: "La Monte H.P. Yarroll" <piggy@timesys.com>
Cc: Nuno Silva <nuno.silva@vgertech.com>,
user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] UML running on host-kernel 2.6.0 with NPTL-enabled glibc problem
Date: Fri, 09 Jan 2004 08:29:32 -0500 [thread overview]
Message-ID: <3FFEACBC.7060704@timesys.com> (raw)
In-Reply-To: <3FFEAA6C.8020002@timesys.com>
La Monte H.P. Yarroll wrote:
> Nuno Silva wrote:
>
>> Hi!
>>
>> I've been trying for days and made lots of tests and it seems that the
>> 2.4 UML binary can't run on a host with 2.6 kernel and nptl-enabled
>> glibc.
>>
>> I've made some tests that you can check here:
>> http://sourceforge.net/mailarchive/message.php?msg_id=6897520
>>
>> This setup without tls+nptl (glibc compiled with
>> --enable-addons=linuxthreads) works fine with UML.
>>
>> Sooner or later everybody will have 2.6 and the new glibc :-)
>>
>> Any tips?
>
>
> The calls set_thread_area(2) and get_thread_area(2) are not
> implemented in UML.
> Both are essential to NPTL. There may be other problems too...
>
> Implementing them gets really tricky if you want UML to work with a
> 2.4.x host.
> I've been trying to steal enough cycles to learn enough to just
> implement them on a 2.6.0 host.
I should know better than to post on only one cup of coffee.
I remember why I didn't reply before--you are struggling with the dual
to my problem. This
is bad news for me because it means that even if the host implements TLS
it can not
use NPTL.
Going back through your posting it looks like it probably does not
matter if the host kernel
implements TLS as long as libc does not use NTPL. Is this a correct
interpretation?
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next prev parent reply other threads:[~2004-01-09 13:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-09 9:09 [uml-devel] UML running on host-kernel 2.6.0 with NPTL-enabled glibc problem Nuno Silva
2004-01-09 13:19 ` La Monte H.P. Yarroll
2004-01-09 13:29 ` La Monte H.P. Yarroll [this message]
2004-01-09 13:39 ` Nuno Silva
2004-01-09 13:35 ` Nuno Silva
2004-01-10 20:25 ` Oleg Drokin
2004-01-11 10:49 ` BlaisorBlade
2004-01-11 18:28 ` Oleg Drokin
2004-01-12 3:49 ` Nuno Silva
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