From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2D8F2C77B73 for ; Thu, 27 Apr 2023 03:10:08 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Q6LML4B5tz3f57 for ; Thu, 27 Apr 2023 13:10:06 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=e1nt/ZiO; dkim-atps=neutral Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Q6LLM6Mpsz3c9r for ; Thu, 27 Apr 2023 13:09:15 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ellerman.id.au header.i=@ellerman.id.au header.a=rsa-sha256 header.s=201909 header.b=e1nt/ZiO; dkim-atps=neutral Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4Q6LLC06rnz4x5Q; Thu, 27 Apr 2023 13:09:06 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1682564947; bh=S9vkNzq/sWnQ+hKq02kIHxm1YcRt+uc5ZstHfvPkWpA=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=e1nt/ZiO8mHb9GEdS2Yydj8tDRxfv4ZT82IOTGN3flhKqTGusk1IG4Ic57tPh3QuE cMUCSzCTgN/qlohDGakAXqdCcyD89/Uxfl4Uzdyi03xL9Ynpiz1D7oRWYyTd/riNNT +VUqIxK4Dlr2CaJe+z4kcboYKQoD7tR99d5r3fBrv5/m7CksW6Is8Je421WZn/2gNe tzHhXFBchgbCRpA4nlADdN7G7P1h69RKXK6JULfpXQXpTv1E19Jfa/OUg/3KN2Pwxu 6TeCw2N2QG6q+/zWtsTaCV0h+Xq4vbtN3neRftU1AM9dynCu0U2N59kj1ngUI0ZrSK JBaDokcmE8gfQ== From: Michael Ellerman To: Zhouyi Zhou Subject: Re: BUG : PowerPC RCU: torture test failed with __stack_chk_fail In-Reply-To: References: <87cz3tylwx.fsf@mail.concordia> Date: Thu, 27 Apr 2023 13:09:06 +1000 Message-ID: <87v8hixbql.fsf@mail.concordia> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: rcu , lance@osuosl.org, linuxppc-dev , linux-kernel , "Paul E. McKenney" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Zhouyi Zhou writes: > On Tue, Apr 25, 2023 at 2:01=E2=80=AFPM Zhouyi Zhou wrote: >> On Tue, Apr 25, 2023 at 6:07=E2=80=AFAM Michael Ellerman wrote: ... >> > >> > There's 12.2.0 here: >> > https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/x86_64= /12.2.0/ >> > https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/ppc64l= e/12.2.0/ > powerpc64le-linux-gnu-gcc-12 cross compiler on my Ubuntu 22.04 does > not seem to have that issue as gcc-10 does OK. So so far it's only that GCC 10 that shows the problem. If you have time, you could use some of the other versions to narrow down which versions show the bug: https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/ppc64le/ There's an 11.0, 11.1 and 11.3 there, as well as 9.5 and so on. There's=20