linux-kernel - Re: XFS metadata CRC errors on zram block device on ppc64le architecture

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Message-ID: <20230804134248.GA26611@lst.de>
Date:   Fri, 4 Aug 2023 15:42:48 +0200
From:   Christoph Hellwig <hch@....de>
To:     Sergey Senozhatsky <senozhatsky@...omium.org>
Cc:     Dusty Mabe <dusty@...tymabe.com>, Hannes Reinecke <hare@...e.de>,
        wq@....de, Minchan Kim <minchan@...nel.org>,
        Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org,
        linux-block@...r.kernel.org, Christoph Hellwig <hch@....de>,
        Andrew Morton <akpm@...ux-foundation.org>, marmijo@...hat.com
Subject: Re: XFS metadata CRC errors on zram block device on ppc64le
 architecture

FYI, I've found an arm64 system with 16k page size support, and while
I can't reproduce the exact issue, I do see corruption with I/O test
on zram that don't show on the same system with 4k pages.  I'm trying
to understand the details at the moment.