linux-kernel - Re: [Linux-v3.19-9526-ga135c717d5cd + vfs.git] blk_update

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Date:	Sun, 22 Feb 2015 21:12:22 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Jens Axboe <axboe@...com>
Cc:	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Ming Lei <ming.lei@...onical.com>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [Linux-v3.19-9526-ga135c717d5cd + vfs.git] blk_update_request:
 I/O error, dev loop0

On Sun, Feb 22, 2015 at 9:04 PM, Jens Axboe <axboe@...com> wrote:
> On Feb 22, 2015, at 12:02 PM, Sedat Dilek <sedat.dilek@...il.com> wrote:
>>
>>> On Sun, Feb 22, 2015 at 5:06 PM, Jens Axboe <axboe@...com> wrote:
>>>> On 02/22/2015 06:09 AM, Sedat Dilek wrote:
>>>>
>>>> Hi,
>>>>
>>>> when testing Linux-next (upcoming v3.20) I fell over similiar messages
>>>> when running fio here.
>>>>
>>>> This commit helped which is now upstream [1]...
>>>>
>>>> commit 9f9ee1f2b2f94f19437ae2def7c0d6636d7fe02e
>>>> "block: Quiesce zeroout wrapper"
>>>>
>>>> --- dmesg_3.19.0-9526.2-iniza-small_before-fio-2.2.5.txt
>>>> 2015-02-22 14:09:35.411824880 +0100
>>>> +++ dmesg_3.19.0-9526.2-iniza-small_after-fio-2.2.5.txt 2015-02-22
>>>> 14:10:25.327824500 +0100
>>>> @@ -853,3 +853,25 @@
>>>>  [  428.226000] Adding 36k swap on swapfile29.  Priority:-29 extents:1
>>>> across:36k FS
>>>>  [  469.339645] Process 7691(waitpid02) has RLIMIT_CORE set to 1
>>>>  [  469.339650] Aborting core
>>>> +[ 1877.189057] fio-testcase.sh (10238): drop_caches: 3
>>>> +[ 1882.250174] blk_update_request: I/O error, dev loop0, sector 2883712
>>>> +[ 1882.807993] blk_update_request: I/O error, dev loop0, sector 32460632
>>>> +[ 1884.655458] blk_update_request: I/O error, dev loop0, sector 16869712
>>>> +[ 1884.656896] blk_update_request: I/O error, dev loop0, sector 16854368
>>>> +[ 1884.659316] blk_update_request: I/O error, dev loop0, sector 16855008
>>>> +[ 1884.660834] blk_update_request: I/O error, dev loop0, sector 16869792
>>>> +[ 1884.661780] blk_update_request: I/O error, dev loop0, sector 16854848
>>>> +[ 1884.663282] blk_update_request: I/O error, dev loop0, sector 16855432
>>>> +[ 1884.664775] blk_update_request: I/O error, dev loop0, sector 16859808
>>>> +[ 1884.671472] blk_update_request: I/O error, dev loop0, sector 16866400
>>>> +[ 1892.239383] blk_update_request: 20 callbacks suppressed
>>>> +[ 1892.239389] blk_update_request: I/O error, dev loop0, sector 7872768
>>>> +[ 1897.221576] blk_update_request: I/O error, dev loop0, sector 23331008
>>>> +[ 1898.299271] blk_update_request: I/O error, dev loop0, sector 25690688
>>>> +[ 1898.444161] blk_update_request: I/O error, dev loop0, sector 25726496
>>>> +[ 1898.445946] blk_update_request: I/O error, dev loop0, sector 25690832
>>>> +[ 1898.448185] blk_update_request: I/O error, dev loop0, sector 25692312
>>>> +[ 1898.449321] blk_update_request: I/O error, dev loop0, sector 25704840
>>>> +[ 1898.450314] blk_update_request: I/O error, dev loop0, sector 25710392
>>>> +[ 1898.451351] blk_update_request: I/O error, dev loop0, sector 25726080
>>>> +[ 1898.452348] blk_update_request: I/O error, dev loop0, sector 25737608
>>>>
>>>> FYI: This is with Linux-v3.19-9526-ga135c717d5cd plus vfs.git#for-linus.
>>>
>>>
>>> This really has nothing to do with commit 9f9ee1f2b2f, other than that they
>>> both have some block related messages. The above is normal IO errors on the
>>> device, we expect to see messages related to that. The question is mostly
>>> why you are seeing those. What are you running on the device?
>>>
>>> And is this a regression since 3.19?
>>
>> OK, I mixed it up - I was on a hurry travelling back home.
>>
>> This is (still) a Ubuntu/precise AMD64 WUBI system where I did the
>> block-loopmq testing.
>>
>> It seems to be a regression since 3.19 (see my attached tarball).
>
> All I get is an attached file for a checksum, doesn't really help me in any way.
>

It's 2 files, I have unpacked it and attached all single files.

- Sedat -

View attachment "results_fio-2.2.5_3.19.0-1-iniza-small.txt" of type "text/plain" (1822 bytes)

Download attachment "fio-testcase.sh" of type "application/x-sh" (1544 bytes)

View attachment "dmesg_3.19.0-1-iniza-small_fio-2.2.5.diff" of type "text/plain" (429 bytes)

View attachment "dmesg_3.19.0-1-iniza-small_before-fio-2.2.5.txt" of type "text/plain" (58183 bytes)

View attachment "dmesg_3.19.0-1-iniza-small_after-fio-2.2.5.txt" of type "text/plain" (58237 bytes)

Download attachment "config-3.19.0-1-iniza-small" of type "application/octet-stream" (124141 bytes)

View attachment "3.19.0-1-iniza-small.patch" of type "text/x-diff" (1828 bytes)