From: Christoph Hellwig 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 Message-ID: <20150825085314.GA31630@lst.de> References: <20150813160128.GG10037@birch.djwong.org> <20150814080932.GA8710@quack.suse.cz> <20150815085810.GA21033@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Christoph Hellwig , Jan Kara , "Darrick J. Wong" , Theodore Ts'o , Andreas Dilger , Jan Kara , Andrew Morton , linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, USB list , patches To: Duc Dang Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-ext4.vger.kernel.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? -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html