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 picard.linux.it (picard.linux.it [213.254.12.146]) (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 CA44EC433FE for ; Fri, 11 Nov 2022 08:38:38 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id A0E013CD520 for ; Fri, 11 Nov 2022 09:38:36 +0100 (CET) Received: from in-4.smtp.seeweb.it (in-4.smtp.seeweb.it [217.194.8.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id 9A56E3CAD10 for ; Fri, 11 Nov 2022 00:04:45 +0100 (CET) Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by in-4.smtp.seeweb.it (Postfix) with ESMTPS id C67C310006C1 for ; Fri, 11 Nov 2022 00:04:44 +0100 (CET) Received: by mail-pj1-x102f.google.com with SMTP id z5-20020a17090a8b8500b00210a3a2364fso6692244pjn.0 for ; Thu, 10 Nov 2022 15:04:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:from:to:cc:subject:date:message-id :reply-to; bh=8PxXXft/nkkyC+qO3NZ0NZRsgWMaldSAxbQ9lxvKRGY=; b=T6C7YIAMYHacLdrESecsyvPNePaxfqKM6ZzXAgY/O9enpon/fyk4AwNgl21buw2/tg xmg6tTuw9bDi37AmyBpjGUQbxADCwvSk8/Cm7Q5ceUWvRAb3jTO8xLahRHhj13EQv2+C L8roGgR/WnzAEfbC/SBSxdDo7OjR6NNkhheKPiuQQJxhZhhcVpC60ppB5Uocn9O26SNO K7f01Uy0UWye2FRcS/mAfg3t/m/H7du4d81vo66lkm7yS2742p05r2+fFnuwWjSbTWse rg/sN8qJQyOgFL/8eTz2ab00JzSmsiBefMNT6JbZs1bpZmwEKonlZa0TS0beQpAeJ0Eg a1Hw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=8PxXXft/nkkyC+qO3NZ0NZRsgWMaldSAxbQ9lxvKRGY=; b=k+yC34OEXHYDYQhGLjnVDAPztsg0peyLD4ezS70FC7rmirM3hLs6FpEZss/o7k6m6D 6HfQsCt/HXM1mmhUO5ZyiT3alA7Vx7sVpMyRcQznSIrLwSBd4EEpQYZ+sRr+bGZ5Uw40 bVPyjDBxDuqHKSUu8H3z0JBIIzr+IDEpfV0UNu6tYIpiKAgu+k4sc79c5VNRvD+/pfEJ ET11Dysa7E0bStcVlEsT5DfRFS3OG5euevp84e4zWdY5IZS4CVksE1sNzFbRAI7L8cxJ K5qPBfmOtefobFNIYlvwKosrT5ugWYucqpr9vCr+elXWnJd9+S8rGKatKyKiYVRD+7Xz a2gw== X-Gm-Message-State: ACrzQf2Mx4yLbMfbNMOiKGAyEq8tztc/hrtKZBsd5GNOWmNbnWE490RC CiXk+qpX5scpEd77464rb8c= X-Google-Smtp-Source: AMsMyM4KtyUZ+RLI3SgeEuwc5nKbDYT6Ih/qwJK99ZzTPQW52wv+CeCQTrbrzNKVmuN6P5egPGp+Gg== X-Received: by 2002:a17:90b:3d8d:b0:212:ccda:88bc with SMTP id pq13-20020a17090b3d8d00b00212ccda88bcmr2476638pjb.212.1668121483057; Thu, 10 Nov 2022 15:04:43 -0800 (PST) Received: from google.com ([2620:15c:211:201:8c0b:3260:c81c:119d]) by smtp.gmail.com with ESMTPSA id a15-20020a170902710f00b0018875b76945sm185565pll.274.2022.11.10.15.04.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Nov 2022 15:04:42 -0800 (PST) Date: Thu, 10 Nov 2022 15:04:40 -0800 From: Minchan Kim To: Petr Vorel Message-ID: References: <20221107191136.18048-1-pvorel@suse.cz> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Virus-Scanned: clamav-milter 0.102.4 at in-4.smtp.seeweb.it X-Virus-Status: Clean X-Mailman-Approved-At: Fri, 11 Nov 2022 09:38:05 +0100 Subject: Re: [LTP] [PATCH 0/1] Possible bug in zram on ppc64le on vfat X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jens Axboe , OGAWA Hirofumi , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, Sergey Senozhatsky , ltp@lists.linux.it, linux-kselftest@vger.kernel.org, Nitin Gupta Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" On Mon, Nov 07, 2022 at 10:47:33PM +0100, Petr Vorel wrote: > Hi Minchan, > > > On Mon, Nov 07, 2022 at 08:11:35PM +0100, Petr Vorel wrote: > > > Hi all, > > > > following bug is trying to workaround an error on ppc64le, where > > > zram01.sh LTP test (there is also kernel selftest > > > tools/testing/selftests/zram/zram01.sh, but LTP test got further > > > updates) has often mem_used_total 0 although zram is already filled. > > > Hi, Petr, > > > Is it happening on only ppc64le? > I haven't seen it on other archs (x86_64, aarch64). > > > Is it a new regression? What kernel version did you use? > Found on openSUSE kernel, which uses stable kernel releases 6.0.x. > It's probably much older, first I've seen it some years ago (I'm not able to find kernel version), but it was random. Now it's much more common. > > Test runs on VM (I can give qemu command or whatever you need to know about it) > I'll try to verify it on some bare metal ppc64le. Hi Petr and Martin, Thanks for testing and meaning information. Could you tell how I could create VM to run ppc64le and run the test? I'd like to reproduce in my local to debug it. Thanks! -- Mailing list info: https://lists.linux.it/listinfo/ltp