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From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
To: Duc Dang <dhdang-qTEPVZfXA3Y@public.gmane.org>
Cc: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>,
	Jan Kara <jack-AlSwsSmVLrQ@public.gmane.org>,
	"Darrick J. Wong"
	<darrick.wong-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
	Theodore Ts'o <tytso-3s7WtUTddSA@public.gmane.org>,
	Andreas Dilger
	<adilger.kernel-m1MBpc4rdrD3fQ9qLvQP4Q@public.gmane.org>,
	Jan Kara <jack-IBi9RG/b67k@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	USB list <linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	patches <patches-qTEPVZfXA3Y@public.gmane.org>
Subject: Re: 4.2 kernel trace when hot unplug a mounted USB/SATA/MMC devices with ext2/ext3/ext4 file system
Date: Tue, 25 Aug 2015 10:53:14 +0200	[thread overview]
Message-ID: <20150825085314.GA31630@lst.de> (raw)
In-Reply-To: <CADaLNDnupucoQ=7uAEHOfRaEEDZYUORwjC_VcHnBCUfdAoPSdQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On Mon, Aug 24, 2015 at 02:20:07PM -0700, Duc Dang wrote:
> For more information. We tested kernel at commit 5f80f62ada "ext4:
> remove useless condition in if statement."
> (right before your commit) and still saw the issue.
> 
> df3305156f989339529b3d6744b898d498fb1f7b [media] v4l: xilinx: Add
> Xilinx Video IP core
> 08439fec266c3cc5702953b4f54bdf5649357de0 ext4: remove block_device_ejected
> 5f80f62adae2a2920781a847805d34b36b323f7d ext4: remove useless
> condition in if statement.
> c9bca8b33118573da9b7ac2ea21947a8e4d287dd [media] v4l: of: Add
> v4l2_of_parse_link() function
> 
> Further more, the issue does not happen with 3.19-rc7 but happens with 4.00-rc1

Thanks for the report.  Does it happen with commit aad653
"block: discard bdi_unregister() in favour of bdi_destroy()", either
cherry picked or the whole tree at that version?

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      parent reply	other threads:[~2015-08-25  8:53 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-13  3:17 4.2 kernel trace when hot unplug a mounted USB/SATA/MMC devices with ext2/ext3/ext4 file system Duc Dang
     [not found] ` <CADaLNDk7NNqe=839ro7KnwpfRAOLO3evX=JL12bMZR8vm2xYMg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-13 16:01   ` Darrick J. Wong
     [not found]     ` <20150813160128.GG10037-PTl6brltDGh4DFYR7WNSRA@public.gmane.org>
2015-08-14  8:09       ` Jan Kara
     [not found]         ` <20150814080932.GA8710-+0h/O2h83AeN3ZZ/Hiejyg@public.gmane.org>
2015-08-15  0:52           ` Duc Dang
     [not found]             ` <CADaLNDmXi9ycM8RBLXn69YW-7Z3jw_=iESwn0AODv4VxPymVWw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-15  8:58               ` Christoph Hellwig
     [not found]                 ` <20150815085810.GA21033-jcswGhMUV9g@public.gmane.org>
2015-08-24 21:20                   ` Duc Dang
     [not found]                     ` <CADaLNDnupucoQ=7uAEHOfRaEEDZYUORwjC_VcHnBCUfdAoPSdQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-08-25  8:53                       ` Christoph Hellwig [this message]

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