From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 71281 invoked by alias); 28 Jul 2015 12:31:25 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Received: (qmail 71271 invoked by uid 89); 28 Jul 2015 12:31:24 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.8 required=5.0 tests=AWL,BAYES_00,SPF_PASS autolearn=ham version=3.3.2 X-HELO: eu-smtp-delivery-143.mimecast.com Message-ID: <55B7760F.3010107@arm.com> Date: Tue, 28 Jul 2015 12:31:00 -0000 From: Szabolcs Nagy User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.8.0 MIME-Version: 1.0 To: Carlos O'Donell , GNU C Library , Marcus Shawcroft Subject: Re: glibc 2.22 --- Stil frozen. Machine maintainers start testing. References: <55AFB23E.5030908@arm.com> <55B75DDB.4090305@arm.com> <20150728113128.GF21252@vapier> In-Reply-To: <20150728113128.GF21252@vapier> X-MC-Unique: WzYQ-lg7RXCGtbIByDQXNg-1 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-SW-Source: 2015-07/txt/msg00936.txt.bz2 On 28/07/15 12:31, Mike Frysinger wrote: > On 28 Jul 2015 11:47, Szabolcs Nagy wrote: >> On 22/07/15 16:09, Szabolcs Nagy wrote: >>> BZ 17918 dynamic-linker race: pthread_create can access >>> GL(dl_tls_max_dtv_idx) and GL(dl_tls_generation) without >>> holding the rtld lock. >>> https://sourceware.org/bugzilla/show_bug.cgi?id=3D17918 >>> i don't know about any fix for this. >> >> this is the cause of nptl/tst-stack4 failure, it affects all archs, >> it happens about once out of 100 runs here on aarch64. >> >> Inconsistency detected by ld.so: dl-tls.c: 493: _dl_allocate_tls_init: >> Assertion `listp->slotinfo[cnt].gen <=3D _rtld_local._dl_tls_generation' >> failed! > > is this a regression ? if not, has it increased in frequency ? if not, > and there isn't a clear fix, i'm not sure it qualifies as a blocker. it's not new, the frequency actually decreased since https://sourceware.org/ml/libc-alpha/2015-03/msg00563.html was committed.