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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Marc Gonzalez <marc.w.gonzalez@free.fr>
Cc: Jianchao Wang <jianchao.w.wang@oracle.com>,
	Christoph Hellwig <hch@infradead.org>,
	Jens Axboe <axboe@kernel.dk>,
	fsdevel <linux-fsdevel@vger.kernel.org>,
	linux-block <linux-block@vger.kernel.org>,
	SCSI <linux-scsi@vger.kernel.org>,
	Joao Pinto <jpinto@synopsys.com>,
	Subhash Jadavani <subhashj@codeaurora.org>,
	Sayali Lokhande <sayalil@codeaurora.org>,
	Can Guo <cang@codeaurora.org>,
	Asutosh Das <asutoshd@codeaurora.org>,
	Vijay Viswanath <vviswana@codeaurora.org>,
	Venkat Gopalakrishnan <venkatg@codeaurora.org>,
	Ritesh Harjani <riteshh@codeaurora.org>,
	Vivek Gautam <vivek.gautam@codeaurora.org>,
	Jeffrey Hugo <jhugo@codeaurora.org>,
	Maya Erez <merez@codeaurora.org>,
	Evan Green <evgreen@chromium.org>,
	Matthias Kaehlcke <mka@chromium.org>,
	Douglas Anderson <dianders@chromium.org>,
	Stephen Boyd <swboyd@chromium.org>,
	Tomas Winkler <tomas.winkler@intel.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Avri Altman <avri.altman@wdc.com>,
	Bart Van Assche <bart.vanassche@wdc.com>,
	Martin Petersen <martin.petersen@oracle.com>,
	Bjorn Andersson <bjorn.andersson@linaro.org>
Subject: Re: dd hangs when reading large partitions
Date: Tue, 22 Jan 2019 17:22:46 +0100	[thread overview]
Message-ID: <20190122162246.GA22548@kroah.com> (raw)
In-Reply-To: <fdfe4600-9bf5-0b6e-cd45-4ca836a477fe@free.fr>

On Tue, Jan 22, 2019 at 05:17:56PM +0100, Marc Gonzalez wrote:
> + Greg
> 
> On 22/01/2019 11:59, Marc Gonzalez wrote:
> 
> > FULL SESSION LOG: https://pastebin.ubuntu.com/p/YSm82GxhNW/
> 
> I finally got the hung_task detector to fire:
> https://pastebin.ubuntu.com/p/XDDJjf7PTb/
> 
> Had a chat with GKH, who said that drivers/scsi/ufs is known to be not 100% functional,
> and requires some cherry-picking from downstream to handle all corner cases.

Note, we know it needs that for your controller, maybe not for others.
So you can't make that kind of generalization :(

thanks,

greg k-h

  reply	other threads:[~2019-01-22 16:22 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-18 12:10 dd hangs when reading large partitions Marc Gonzalez
2019-01-18 13:39 ` Ming Lei
2019-01-18 14:54   ` Marc Gonzalez
2019-01-18 15:18 ` jianchao.wang
2019-01-18 17:38   ` Marc Gonzalez
2019-01-18 17:48   ` Jens Axboe
2019-01-18 17:51     ` Bart Van Assche
2019-01-18 19:00       ` Jens Axboe
2019-01-19  9:56     ` Christoph Hellwig
2019-01-19 14:37       ` Jens Axboe
2019-01-19 16:09       ` Bart Van Assche
2019-01-21  8:33         ` Christoph Hellwig
2019-01-19 19:47       ` Marc Gonzalez
2019-01-19 20:45         ` Marc Gonzalez
2019-01-21  8:33         ` Christoph Hellwig
2019-01-21 15:22         ` Marc Gonzalez
2019-01-22  3:12           ` jianchao.wang
2019-01-22 10:59             ` Marc Gonzalez
2019-01-22 12:49               ` Marc Gonzalez
2019-01-22 16:17               ` Marc Gonzalez
2019-01-22 16:22                 ` Greg Kroah-Hartman [this message]
2019-01-22 19:07                   ` Evan Green
2019-01-23  3:10               ` jianchao.wang
2019-02-06 16:16                 ` Marc Gonzalez
2019-02-06 17:05                   ` Marc Gonzalez
2019-02-07 10:44                     ` Marc Gonzalez
2019-02-07 16:56                       ` Marc Gonzalez
2019-02-08 15:33                         ` Marc Gonzalez
2019-02-08 15:49                           ` Bart Van Assche
2019-02-09 11:57                             ` Marc Gonzalez
2019-02-11 16:36                             ` Marc Gonzalez
2019-02-11 17:27                               ` Marc Gonzalez
2019-02-12 15:26                                 ` [SOLVED] " Marc Gonzalez
2019-01-18 19:27 ` Douglas Gilbert

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