From: Kent Overstreet <kent.overstreet@gmail.com>
To: "Marcin Mirosław" <marcin@mejor.pl>
Cc: linux-bcache@vger.kernel.org
Subject: Re: [bcachefs] bcache (dm-10): IO error on dm-10 for checksum error (due to change of str_hash?)
Date: Fri, 16 Sep 2016 01:16:27 -0800 [thread overview]
Message-ID: <20160916091627.nmu2syyabwcohhh3@kmo-pixel> (raw)
In-Reply-To: <17792e18-4315-0e12-bc5a-96d1cb3e10d5@mejor.pl>
On Fri, Sep 16, 2016 at 11:02:10AM +0200, Marcin Mirosław wrote:
> W dniu 16.09.2016 o 10:38, Kent Overstreet pisze:
> [...]
> > I haven't yet tried randomly flipping the compression type at runtime, I'll try
> > that now...
>
> Don't forget changing other options, simply changing compression type I
> tested some times ago and it worked;) I think that also heavy writes
> while making changes are important.
Yeah, I think you're right about heavy writes - the one other bug remotely like
this that's been reported was an intermittent deadlock under heavy write load.
But "heavy write workload" describes a lot of the tests I already have, so I'm
not sure what I'm missing. Argh.
next prev parent reply other threads:[~2016-09-16 9:16 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-15 9:36 [bcachefs] bcache (dm-10): IO error on dm-10 for checksum error (due to change of str_hash?) Marcin Mirosław
2016-09-15 9:39 ` Marcin Mirosław
2016-09-16 2:12 ` Kent Overstreet
2016-09-16 3:33 ` Kent Overstreet
2016-09-16 8:07 ` Marcin Mirosław
2016-09-16 8:38 ` Kent Overstreet
2016-09-16 9:02 ` Marcin Mirosław
2016-09-16 9:16 ` Kent Overstreet [this message]
2016-09-16 11:17 ` Marcin Mirosław
2016-09-16 11:24 ` Kent Overstreet
2016-09-16 12:27 ` Marcin Mirosław
2016-09-16 12:36 ` Kent Overstreet
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