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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4924DC04A68 for ; Tue, 26 Jul 2022 19:22:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239801AbiGZTV6 (ORCPT ); Tue, 26 Jul 2022 15:21:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229379AbiGZTV4 (ORCPT ); Tue, 26 Jul 2022 15:21:56 -0400 X-Greylist: delayed 114 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Tue, 26 Jul 2022 12:21:55 PDT Received: from wnew3-smtp.messagingengine.com (wnew3-smtp.messagingengine.com [64.147.123.17]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8887733E39; Tue, 26 Jul 2022 12:21:55 -0700 (PDT) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailnew.west.internal (Postfix) with ESMTP id A251F2B05A51; Tue, 26 Jul 2022 15:21:54 -0400 (EDT) Received: from imap50 ([10.202.2.100]) by compute3.internal (MEProxy); Tue, 26 Jul 2022 15:21:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= colorremedies.com; h=cc:cc:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm1; t=1658863313; x= 1658866913; bh=PweAMHjIOF+cYwdE1sZvaXlEvHMPXsTwGJg3RCero2A=; b=s E4jewDf/Y186GuJwrzpJjZHrzlm5ACMkQXEi8FvBHZO7LY0IB2xJ4fZdmP1Tp3/8 WtOQ27WItUBGA5DqezCiwVxcZ5vqUL7mwEon2k+hgORrDXr562AJgpjChfB001QC cIP6TxEUrbqqYNl9g960vSdDvADBYOpB7OqlHy8aVvSvXZdATUeheHvQOkN62l+r 07+ObqS5iaAl8398HWSCMipL+SnNm+TqRkBRzVeKwJ/FiQI/G6U0ftmcRgU2bBqt HEQXJBzxn/a/GHn/x9cmNagIc36yoMwvppf3CF1cfl/qNQAvJrsctoBl3W+GvF82 2Ccq6epBophGUxSXJVpuw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:date:date:feedback-id :feedback-id:from:from:in-reply-to:in-reply-to:message-id :mime-version:references:reply-to:sender:subject:subject:to:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= i06494636.fm3; t=1658863313; x=1658866913; bh=PweAMHjIOF+cYwdE1s ZvaXlEvHMPXsTwGJg3RCero2A=; b=OG/aZT1lhkvxuon3xOhXN69opPfmNSxdOe fuP/yBp61U4YRAvSzhTrWN/IqDxkpFWR1P0RctvfxfApo0cH2VDLgkaCdE33ayXQ xSXcHCdFa9eTvQlUD2EeuplRz+LzL9REEReXxWMKejb9nE/zJptpbo8dB6vB07PP 6PM/skbfqT1TeAUjPcIKwf9mFYHkpwY3vtgWuxln5vO4K/LZWL9jtp/1AeWrSrj5 fq+FN6I7PTmIYMQ0xs8pBTeqvGLMx8FI6Ry0JXXbXaqOqGBcucIc1ljbzdZVdPr4 dI6WsSSLJQ4xbTcFwDflR7efTt2UukJLNE976iFxxTBbpsPNQeaw== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrvddutddgudefjecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpefofgggkfgjfhffhffvvefutgesthdtredtreertdenucfhrhhomhepfdev hhhrihhsucfouhhrphhhhidfuceolhhishhtshestgholhhorhhrvghmvgguihgvshdrtg homheqnecuggftrfgrthhtvghrnhepgfdvueektdefgfefgfdtleffvdeileetgfefuddt ffelueeiveeiveekhedtheeunecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpe hmrghilhhfrhhomheplhhishhtshestgholhhorhhrvghmvgguihgvshdrtghomh X-ME-Proxy: Feedback-ID: i06494636:Fastmail Received: by mailuser.nyi.internal (Postfix, from userid 501) id A9D31170007E; Tue, 26 Jul 2022 15:21:52 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.7.0-alpha0-757-gc3ad9c75d3-fm-20220722.001-gc3ad9c75 Mime-Version: 1.0 Message-Id: <92e9ca9b-f458-409f-a9c4-150f6bce0b75@www.fastmail.com> In-Reply-To: References: <20220726164250.GE13489@twin.jikos.cz> Date: Tue, 26 Jul 2022 15:21:32 -0400 From: "Chris Murphy" To: "David Sterba" , =?UTF-8?Q?=D0=9C=D0=B8=D1=85=D0=B0=D0=B8=D0=BB_=D0=93=D0=B0=D0=B2=D1=80?= =?UTF-8?Q?=D0=B8=D0=BB=D0=BE=D0=B2?= Cc: "Btrfs BTRFS" , linux-kernel Subject: Re: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 26, 2022, at 3:19 PM, Chris Murphy wrote: > On Tue, Jul 26, 2022, at 12:42 PM, David Sterba wrote: >> On Tue, Jul 26, 2022 at 05:32:54PM +0500, Mikhail Gavrilov wrote: >>> Hi guys. >>> Always with intensive writing on a btrfs volume, the message "BUG: >>> MAX_LOCKDEP_CHAIN_HLOCKS too low!" appears in the kernel logs. >> >> Increase the config value of LOCKDEP_CHAINS_BITS, default is 16, 18 >> tends to work. > > Fedora is using 17. I'll make a request to bump it to 18. Thanks. Should it be 18 across all archs? Or is it OK to only bump x86_64? -- Chris Murphy