From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <fweimer@redhat.com>
Received: from us-smtp-delivery-124.mimecast.com
 (us-smtp-delivery-124.mimecast.com [170.10.133.124])
 by sourceware.org (Postfix) with ESMTP id 20FD33AA9C5B
 for <libc-help@sourceware.org>; Thu,  4 Mar 2021 15:03:05 +0000 (GMT)
DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 20FD33AA9C5B
Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com
 [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id
 us-mta-32-pCKmgZ5EN-iZ-ifVlVIMtw-1; Thu, 04 Mar 2021 10:02:57 -0500
X-MC-Unique: pCKmgZ5EN-iZ-ifVlVIMtw-1
Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com
 [10.5.11.12])
 (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4165283DD20;
 Thu,  4 Mar 2021 15:02:56 +0000 (UTC)
Received: from oldenburg.str.redhat.com (ovpn-112-56.ams2.redhat.com
 [10.36.112.56])
 by smtp.corp.redhat.com (Postfix) with ESMTPS id 3FB6760C0F;
 Thu,  4 Mar 2021 15:02:55 +0000 (UTC)
From: Florian Weimer <fweimer@redhat.com>
To: Michael Brunnbauer <brunni@netestate.de>
Cc: libc-help@sourceware.org
Subject: Re: 32bit glibc 2.30 and kernel 4.9.259: FATAL: kernel too old
References: <YEDv/NAM8fX/QSn9@netestate.de>
Date: Thu, 04 Mar 2021 16:03:03 +0100
In-Reply-To: <YEDv/NAM8fX/QSn9@netestate.de> (Michael Brunnbauer's message of
 "Thu, 4 Mar 2021 15:34:36 +0100")
Message-ID: <8735xbkllk.fsf@oldenburg.str.redhat.com>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux)
MIME-Version: 1.0
X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12
X-Mimecast-Spam-Score: 0
X-Mimecast-Originator: redhat.com
Content-Type: text/plain
X-Spam-Status: No, score=-6.4 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH,
 DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW,
 RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS,
 TXREP autolearn=ham autolearn_force=no version=3.4.2
X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on
 server2.sourceware.org
X-BeenThere: libc-help@sourceware.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Libc-help mailing list <libc-help.sourceware.org>
List-Unsubscribe: <https://sourceware.org/mailman/options/libc-help>,
 <mailto:libc-help-request@sourceware.org?subject=unsubscribe>
List-Archive: <https://sourceware.org/pipermail/libc-help/>
List-Help: <mailto:libc-help-request@sourceware.org?subject=help>
List-Subscribe: <https://sourceware.org/mailman/listinfo/libc-help>,
 <mailto:libc-help-request@sourceware.org?subject=subscribe>
X-List-Received-Date: Thu, 04 Mar 2021 15:03:06 -0000

* Michael Brunnbauer:

> I still have a 32bit glibc 2.30 lying around to run older programs that I
> did not get around to recompile. After upgrading from Kernel 4.9.255 to
> 4.9.259, they all fail with "FATAL: kernel too old". This seems to be a
> message from the loader.
>
> The suspicion offers itself that this is because the revision/patch number
> cannot be represented with a byte any more.
>
> Any idea what's going on and how to fix it?

How has this particular glibc been built?

Thanks,
Florian