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 X-Spam-Level: X-Spam-Status: No, score=-2.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,T_KAM_HTML_FONT_INVALID, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00EFDC07E9B for ; Tue, 20 Jul 2021 16:05:53 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 7357E60233 for ; Tue, 20 Jul 2021 16:05:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7357E60233 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gooddata.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 21D8C6B0036; Tue, 20 Jul 2021 12:05:53 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1CDF16B005D; Tue, 20 Jul 2021 12:05:53 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 06EAE6B0070; Tue, 20 Jul 2021 12:05:53 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0099.hostedemail.com [216.40.44.99]) by kanga.kvack.org (Postfix) with ESMTP id C6FE46B0036 for ; Tue, 20 Jul 2021 12:05:52 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 5206E1809A4A1 for ; Tue, 20 Jul 2021 16:05:51 +0000 (UTC) X-FDA: 78383442102.26.DE522F6 Received: from mail-ej1-f42.google.com (mail-ej1-f42.google.com [209.85.218.42]) by imf15.hostedemail.com (Postfix) with ESMTP id 6F836D0000B7 for ; Tue, 20 Jul 2021 16:05:50 +0000 (UTC) Received: by mail-ej1-f42.google.com with SMTP id hc15so35127753ejc.4 for ; Tue, 20 Jul 2021 09:05:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gooddata.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=WFR5g5eJczTD+aq/jNr2QgSnpUWCoid7jkxCQsdr+Vc=; b=c79kBemZTT/5iViELHoeZrFGwUxcqxQXlCWzfIhCr/nGpX5RaNBxG10DkuoOL7q1JQ PzTWPsL/kqZEdb2z3shjDfBP9bYkE+H3ftcLnYe1+0UQYScpMlNx3h5Med7b/wylZ9SL zKtcxkNsqj8RNueamAYEOXuhIygnsjqpQPtZA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=WFR5g5eJczTD+aq/jNr2QgSnpUWCoid7jkxCQsdr+Vc=; b=VBP8oK0Qq07ZyagyhT7AQGVpQClftZz+R9fOXwlUwCELE/dvCXuzZpGcuDiuq14HMz JYrjZQfgzd4ZkJFKKjdlt1mz76W48xPrnjKalxvqFK/yyagBY8q99Tk7qOO244V3qsoT wl3bk+458u55wed7ex4R/cIzDABnxfMIWCGPxBAiTQmCJhddhz6SoDisu587spRIGBfj 6gEe6dxLYz/QOgm/1hBIA/49NLPZQ/AD8L8I0lgnL7UjYWX/sO11jxQ7bQ55poiRi9wR AvFQ84L8HwFywnewRry6G/jU1AT7RxasOO3pudSAb3UKW9AMHCI9vtn+s/3RX3oYBpQt oiVA== X-Gm-Message-State: AOAM533PibMfM0GjGoWbrcVtWD0S0xSgf6EqdBCcMAU2Z2Rfw7EPrq9X q0t5N+/ZdLL5VEs2ikwkZgqtCXI9EsKGcNPB+ONpiA== X-Google-Smtp-Source: ABdhPJz6cJxeM8VI7T5MktUAVULIRTst2YX6rdvt2CfJUlSUTvO6MOe9ZzJDma6XewhEGChU5c0EZt5Za9Q0mU7QOsQ= X-Received: by 2002:a17:906:4a8d:: with SMTP id x13mr33398602eju.349.1626797149401; Tue, 20 Jul 2021 09:05:49 -0700 (PDT) MIME-Version: 1.0 References: <4c9e24db-29d5-5bbb-17ae-8dc32ceb66ed@google.com> <796cbb7-5a1c-1ba0-dde5-479aba8224f2@google.com> In-Reply-To: From: Igor Raits Date: Tue, 20 Jul 2021 18:05:37 +0200 Message-ID: Subject: Re: kernel BUG at include/linux/swapops.h:204! To: Peter Xu Cc: Hugh Dickins , Andrew Morton , Hillf Danton , Axel Rasmussen , linux-mm@kvack.org Content-Type: multipart/alternative; boundary="000000000000364a5505c7903a8e" Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=gooddata.com header.s=google header.b=c79kBemZ; spf=pass (imf15.hostedemail.com: domain of igor.raits@gooddata.com designates 209.85.218.42 as permitted sender) smtp.mailfrom=igor.raits@gooddata.com; dmarc=pass (policy=none) header.from=gooddata.com X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 6F836D0000B7 X-Stat-Signature: cjz7njm4sonrtuxsj8ar9k8qdrbjnbry X-HE-Tag: 1626797150-974017 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: --000000000000364a5505c7903a8e Content-Type: text/plain; charset="UTF-8" Hi Peter, On Tue, Jul 20, 2021 at 6:01 PM Peter Xu wrote: > Hi, Igor, > > On Tue, Jul 20, 2021 at 09:47:02AM +0200, Igor Raits wrote: > > FTR, even though 8f34f1eac382 applies cleanly it does not compile. > > The 1st patch of that series is also required (5fc7a5f6fd04) - it removes > > use of > > *vma, which is later removed by the patch that fixes the actual problem. > > Please feel free to give it a shot with the two backport series to see > whether > you spot any issue with it so far. > > 5.13/5.12: > https://lore.kernel.org/linux-mm/20210720155150.497148-1-peterx@redhat.com It seems like a normal cherry-pick without any extra changes around (please correct me if I'm wrong), so I've already added that to our internal kernel builds and so far I did not spot any issues (but as the issue does not happen frequently, I can't confirm if it is really fixed but I trust Hugh that he identified that as the commit that should fix it). Anyhow, I'll keep looking around and let you know if I spot anything :) 5.10: > https://lore.kernel.org/linux-mm/20210720155657.499127-1-peterx@redhat.com > > Sorry for the trouble. > Thanks for providing fixes! -- > Peter Xu > > -- Igor Raits Sr. SW Engineer igor@gooddata.com +420 775 117 817 Moravske namesti 1007/14 602 00 Brno-Veveri, Czech Republic Twitter | Facebook | LinkedIn | Blog --000000000000364a5505c7903a8e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Pe= ter,

On Tue, Jul 20, 2021 at 6:01 PM Peter Xu <peterx@redhat.com> wrote:
Hi, Igor,

On Tue, Jul 20, 2021 at 09:47:02AM +0200, Igor Raits wrote:
> FTR, even though 8f34f1eac382 applies cleanly it does not compile.
> The 1st patch of that series is also required (5fc7a5f6fd04) - it remo= ves
> use of
> *vma, which is later removed by the patch that fixes the actual proble= m.

Please feel free to give it a shot with the two backport series to see whet= her
you spot any issue with it so far.

5.13/5.12: https://lore.ke= rnel.org/linux-mm/20210720155150.497148-1-peterx@redhat.com

It seems like a normal cherry-pick without any extra c= hanges around (please correct me if I'm wrong),
so I've a= lready added that to our internal kernel builds and so far I did not spot a= ny issues
(but as the issue does not happen frequently, I can'= ;t confirm if it is really fixed but I trust Hugh
that he identif= ied that as the commit that should fix it).

Anyhow= , I'll keep looking around and let you know if I spot anything :)

5.10:=C2=A0 =C2=A0 =C2=A0 = https://lore.kernel.org/linux-mm/20210720155657.499127-1-peterx@redhat.com<= /a>

Sorry for the trouble.

--
Peter Xu



--

Igor Raits

Sr. SW Engineer

igor@gooddata.com

+420 775 = 117 817


Moravske namesti 1007/14

602 00 Brno-Ve= veri, Czech Republic

Twitter= | Facebook | LinkedIn | Blog


--000000000000364a5505c7903a8e--