linux-kernel - Re: [ext4] 345c0dbf3a: xfstests.ext4.303.fail

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Message-ID: <20190426162810.GA9835@mit.edu>
Date:   Fri, 26 Apr 2019 12:28:10 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     kernel test robot <rong.a.chen@...el.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, linux-ext4@...r.kernel.org,
        lkp@...org
Subject: Re: [ext4] 345c0dbf3a: xfstests.ext4.303.fail

On Fri, Apr 26, 2019 at 05:47:09PM +0800, kernel test robot wrote:
> FYI, we noticed the following commit (built with gcc-7):
> 
> commit: 345c0dbf3a30872d9b204db96b5857cd00808cae ("ext4: protect journal inode's blocks using block_validity")
> https://git.kernel.org/cgit/linux/kernel/git/tytso/ext4.git dev
> 
> in testcase: xfstests
> with following parameters:
> 
> 	disk: 4HDD
> 	fs: ext4
> 	test: ext4-run

Hi, I'm not able to reproduce this.

TESTRUNID: tytso-20190426093752
KERNEL:    kernel 5.1.0-rc3-xfstests-00007-g345c0dbf3a30 #921 SMP Fri Apr 26 09:36:55 EDT 2019 x86_64
CMDLINE:   -c 4k -g auto
CPUS:      2
MEM:       7680

ext4/4k: 462 tests, 43 skipped, 4271 seconds
Totals: 419 tests, 43 skipped, 0 failures, 0 errors, 4249s

Ran: ext4/001 ext4/002 ext4/003 ext4/004 ext4/005 ext4/020 ext4/021 ext4/022 ext4/023 ext4/024 ext4/025 ext4/026 ext4/027 ext4/028 ext4/029 ext4/030 ext4/031 ext4/032 ext4/033 ext4/034 ext4/271 ext4/301 ext4/302 ext4/303 ext4/305 ext4/306 ext4/307 ext4/308 generic/001 generic/002 generic/003 ....

Given some of the failures, especially this one:

> ext4/307	- output mismatch (see /lkp/benchmarks/xfstests/results//ext4/307.out.bad)
>     --- tests/ext4/307.out	2019-04-25 09:04:55.000000000 +0800
>     +++ /lkp/benchmarks/xfstests/results//ext4/307.out.bad	2019-04-26 13:15:02.522490198 +0800
>     @@ -1,6 +1,7 @@
>      QA output created by 307
>      
>      Run fsstress
>     +./tests/ext4/307: line 34: gawk: command not found
>      Allocate donor file
>      Perform compacting
>      Check data
>     ...
>     (Run 'diff -u /lkp/benchmarks/xfstests/tests/ext4/307.out /lkp/benchmarks/xfstests/results//ext4/307.out.bad'  to see the entire diff)

I'm very much wondering whether your VM has gotten corrupted or hasn't
been correctly set up?

					- Ted