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

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Message-ID: <CA+icZUXgSabOHbay49Tnh04gq2nox852-muhTJNF3ionrER0mg@mail.gmail.com>
Date:	Sun, 22 Feb 2015 15:09:56 +0100
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Jens Axboe <axboe@...com>, Ming Lei <ming.lei@...onical.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: [Linux-v3.19-9526-ga135c717d5cd + vfs.git] blk_update_request: I/O
 error, dev loop0

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.

Shall I will try vanilla-upstream or even block.git?

If you have any idea or hints, please let me know.
Thanks.

I have attached the tarball which I have sent to Al Viro for testing
his pending VFS stuff for v3.20-rc1.

Have more fun!

Regards,
- Sedat -

[1] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9f9ee1f2b2f94f19437ae2def7c0d6636d7fe02e

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