From: Dave Chinner <david@fromorbit.com>
To: "hch@lst.de" <hch@lst.de>
Cc: "Verma, Vishal L" <vishal.l.verma@intel.com>,
"linux-xfs@vger.kernel.org" <linux-xfs@vger.kernel.org>,
"Williams, Dan J" <dan.j.williams@intel.com>,
"darrick.wong@oracle.com" <darrick.wong@oracle.com>
Subject: Re: 5.3-rc1 regression with XFS log recovery
Date: Mon, 19 Aug 2019 14:22:59 +1000 [thread overview]
Message-ID: <20190819042259.GZ6129@dread.disaster.area> (raw)
In-Reply-To: <20190819041132.GA14492@lst.de>
On Mon, Aug 19, 2019 at 06:11:32AM +0200, hch@lst.de wrote:
> On Mon, Aug 19, 2019 at 05:49:48AM +0200, hch@lst.de wrote:
> > The fake pmem was create by the following kernel command line sniplet:
> > "memmap=2000M!1024M,2000M!4096M" and my kernel config is attached. I
> > suspect you'll need CONFIG_SLUB to create the woes, but let me confirm
> > that..
>
> Yep, doesn't reproduce with CONFIG_SLAB.
That implies a kmalloc heap issue.
Oh, is memory poisoning or something that modifies the alignment of
slabs turned on?
i.e. 4k/8k allocations from the kmalloc heap slabs might not be
appropriately aligned for IO, similar to the problems we have with
the xen blk driver?
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
next prev parent reply other threads:[~2019-08-19 4:24 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-16 20:59 5.3-rc1 regression with XFS log recovery Verma, Vishal L
2019-08-18 7:11 ` hch
2019-08-18 7:41 ` hch
2019-08-18 17:34 ` hch
2019-08-19 0:08 ` Dave Chinner
2019-08-19 3:49 ` hch
2019-08-19 4:11 ` hch
2019-08-19 4:22 ` Dave Chinner [this message]
2019-08-19 4:29 ` hch
2019-08-19 4:40 ` hch
2019-08-19 5:31 ` Dave Chinner
2019-08-20 6:14 ` hch
2019-08-20 4:41 ` Dave Chinner
2019-08-20 5:53 ` hch
2019-08-20 7:44 ` Dave Chinner
2019-08-20 8:13 ` Ming Lei
2019-08-20 9:24 ` Ming Lei
2019-08-20 16:30 ` Verma, Vishal L
2019-08-20 21:44 ` Dave Chinner
2019-08-20 22:08 ` Verma, Vishal L
2019-08-20 23:53 ` Dave Chinner
2019-08-21 2:19 ` Ming Lei
2019-08-21 1:56 ` Ming Lei
2019-08-19 4:15 ` Dave Chinner
2019-08-19 17:19 ` Verma, Vishal L
2019-08-21 0:26 ` Dave Chinner
2019-08-21 0:44 ` hch
2019-08-21 1:08 ` Dave Chinner
2019-08-21 1:56 ` Verma, Vishal L
2019-08-21 6:15 ` Dave Chinner
2019-08-26 17:32 ` Verma, Vishal L
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