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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49B20C433F5 for ; Wed, 6 Oct 2021 13:39:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 31184610A2 for ; Wed, 6 Oct 2021 13:39:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231356AbhJFNlr (ORCPT ); Wed, 6 Oct 2021 09:41:47 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:54540 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230023AbhJFNlp (ORCPT ); Wed, 6 Oct 2021 09:41:45 -0400 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 54783223EF; Wed, 6 Oct 2021 13:39:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1633527592; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KUvdkLi2mfwFtZD+nGEn9TuSuGzEBLmzXvDw1DutwLU=; b=1fRpODniokaIUNUqoRqJUhVKGq/Eh3lBPnNHFOd0zVMSAVlaTw44dmxTmNPcYsO5bBM3tb H41HbWdwS2hh5kVzJ1ZxhP2PcPRkfshKP3Z0o7QnF8OMxekPAbWa4AX3w+I1mfZNIAKuD6 LNHKzGll8DS+X9srz7X6fkt+loecwyA= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1633527592; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KUvdkLi2mfwFtZD+nGEn9TuSuGzEBLmzXvDw1DutwLU=; b=eBAlP2uukvI230+wasq09FM3v1cvemGMzSVFtzeI8oNDADhQ9piBGGD5DND9nHBLBoCgTA /53Ru5ocmF2QowDA== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id D36F913B37; Wed, 6 Oct 2021 13:39:51 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id Ra/JMCenXWGDZQAAMHmgww (envelope-from ); Wed, 06 Oct 2021 13:39:51 +0000 Received: from localhost (brahms [local]) by brahms (OpenSMTPD) with ESMTPA id 00c85fac; Wed, 6 Oct 2021 13:39:51 +0000 (UTC) Date: Wed, 6 Oct 2021 14:39:50 +0100 From: Luis Henriques To: Theodore Ts'o Cc: Jens Axboe , fstests@vger.kernel.org, fio@vger.kernel.org, Minchan Kim , Nitin Gupta , Sergey Senozhatsky Subject: Re: generic/095 failing in ext4 and xfs Message-ID: References: <882f4c20-2e21-219b-0ca3-7e215e2d7cfa@kernel.dk> <86ee93vijj.fsf@orpheus.olymp> <6f867fa0-c3e9-6f65-d97f-4779c029ef81@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org (sorry for the delay in my replies) On Mon, Oct 04, 2021 at 12:18:24PM -0400, Theodore Ts'o wrote: > On Mon, Oct 04, 2021 at 01:17:02PM +0100, Luis Henriques wrote: > > > > Ok, I may have narrowed it a bit more. The disks being used in my testing > > were zram-based (I know, I should have mentioned it before :-/ ). If I use > > file-based disks the test passes and I see no crashes in fio. > > What was the last kernel version where it didn't crash for you? 5.14? No, this is not a regression. I tried to go as far as 5.0 and I still get the exact same behaviour. Also, I've tried fio 3.24 and it still crashes. So, this definitely looks like a zram issue. I've added the maintainers to the CC list in case they have any ideas. > And maybe we need to have a test which explicitly uses zram, since I > suspect many/most of the fs developers who are running fstests aren't > using zram.... > > - Ted Cheers, -- Luís