From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by sourceware.org (Postfix) with ESMTP id 572FB386F46E for ; Thu, 4 Mar 2021 16:22:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 572FB386F46E 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-551-zbDu_fd7PO2XpRl9FNwIxg-1; Thu, 04 Mar 2021 11:22:25 -0500 X-MC-Unique: zbDu_fd7PO2XpRl9FNwIxg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C6DC71842153; Thu, 4 Mar 2021 16:22:21 +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 A255510023AB; Thu, 4 Mar 2021 16:22:12 +0000 (UTC) From: Florian Weimer To: Arjun Shankar Cc: Lukasz Majewski , Joseph Myers , Adhemerval Zanella , DJ Delorie , GNU C Library , Florian Weimer , Alistair Francis Subject: Re: [PATCH] tst: Add test for utime References: <20210225003509.7151-1-lukma@denx.de> <35562645.32965585.1614874667382.JavaMail.zimbra@redhat.com> Date: Thu, 04 Mar 2021 17:22:20 +0100 In-Reply-To: <35562645.32965585.1614874667382.JavaMail.zimbra@redhat.com> (Arjun Shankar's message of "Thu, 4 Mar 2021 11:17:47 -0500 (EST)") Message-ID: <878s72khxf.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 2.84 on 10.5.11.22 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_H3, 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-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Mar 2021 16:22:31 -0000 * Arjun Shankar: > Hi Lukasz, > >> This patch provides test for utime. It uses xfstat() syscall to read >> access and modification times to compare with ones written by utime. >> >> Moreover, access and modification times beyond the Y2038 threshold >> date (i.e. 32 bit time_t overflow) are also checked. > > It seems that this and the utimes/futimens tests fail on machines where > /tmp is XFS, where they run into a y2038 bug [1]. > > I am wondering if there's a way around this, like maybe using a loop mount > inside a container? I don't know if that's possible/easy using the > container tests infrastructure, but it is the first thing that comes to my > mind. If tmpfs is known to work, using /dev/shm instead may be an option. Thanks, Florian