linux-kernel - Re: [PATCH v11 0/6] Use pageblock_order for cma and alloc_contig

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1D88AE1B-4DFC-400F-A054-662E3824C9AF@nvidia.com>
Date:   Wed, 27 Apr 2022 09:30:41 -0400
From:   Zi Yan <ziy@...dia.com>
To:     Qian Cai <quic_qiancai@...cinc.com>
Cc:     David Hildenbrand <david@...hat.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        Vlastimil Babka <vbabka@...e.cz>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Eric Ren <renzhengeek@...il.com>,
        Mike Rapoport <rppt@...nel.org>,
        Oscar Salvador <osalvador@...e.de>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v11 0/6] Use pageblock_order for cma and alloc_contig_range alignment.

On 27 Apr 2022, at 9:27, Qian Cai wrote:

> On Tue, Apr 26, 2022 at 05:38:58PM -0400, Zi Yan wrote:
>> Thanks. Do you mind attaching your config file? I cannot reproduce
>> the deadlock locally using my own config. I also see kmemleak_scan
>> in the dumped stack, so it must be something else in addition to
>> memory online/offline causing the issue.
>
> Actually, it is one of those *offline* operations, i.e.,
>
> echo 0 > /sys/devices/system/memory/memoryNNN/online
>
> looping forever which never finish after more than 2-hour.

Thank you for the detailed information. I am able to reproduce the
issue locally. I will update the patch once I fix the bug.

--
Best Regards,
Yan, Zi

Download attachment "signature.asc" of type "application/pgp-signature" (855 bytes)