linux-kernel - Re: Internal error xfs_trans

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Date:	Wed, 1 Jun 2016 16:13:10 +0200
From:	Daniel Wagner <wagi@...om.org>
To:	Dave Chinner <david@...morbit.com>
Cc:	linux-fsdevel@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	xfs@....sgi.com
Subject: Re: Internal error xfs_trans_cancel

>> Anything in the log before this?
> 
> Just the usual stuff, as I remember. Sorry, I haven't copied the whole log.

Just triggered it again. My steps for it are:

- run all lockperf test

  git://git.samba.org/jlayton/lockperf.git

  via my test script:
 
#!/bin/sh                                                                                                                                                                   
                                                                                                                                                                             
run_tests () {                                                                                                                                                              
    echo $1                                                                                                                                                                 
                                                                                                                                                                             
    for i in `seq 10`;                                                                                                                                                      
    do                                                                                                                                                                      
        rm -rf /tmp/a;                                                                                                                                                      
        $1 /tmp/a > /dev/null                                                                                                                                               
        sync                                                                                                                                                                
    done                                                                                                                                                                    
                                                                                                                                                                             
    for i in `seq 100`;                                                                                                                                                     
    do                                                                                                                                                                      
        rm -rf /tmp/a;                                                                                                                                                      
        $1 /tmp/a >> $2                                                                                                                                                     
        sync                                                                                                                                                                
    done                                                                                                                                                                    
}                                                                                                                                                                           
                                                                                                                                                                             
                                                                                                                                                                             
PATH=~/src/lockperf:$PATH                                                                                                                                                   
                                                                                                                                                                             
DIR=$1-`uname -r`                                                                                                                                                           
if [ ! -d "$DIR" ]; then                                                                                                                                                    
    mkdir $DIR                                                                                                                                                              
fi                                                                                                                                                                          
                                                                                                                                                                             
CPUSET=`cat /sys/devices/system/node/node0/cpulist`                                                                                                                         
taskset -pc $CPUSET $$                                                                                                                                                      
                                                                                                                                                                             
sudo sh -c 'for i in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor ; do echo performance > $i ; done'                                                               
                                                                                                                                                                             
for c in `seq 8 32 128`; do                                                                                                                                                 
    for l in `seq 100 100 500`; do                                                                                                                                          
        time run_tests "posix01 -n $c -l $l "     $DIR/posix01-$c-$l.data                                                                                                   
        time run_tests "posix02 -n $c -l $l "     $DIR/posix02-$c-$l.data                                                                                                   
        time run_tests "posix03 -n $c -l $l "     $DIR/posix03-$c-$l.data                                                                                                   
        time run_tests "posix04 -n $c -l $l "     $DIR/posix04-$c-$l.data                                                                                                   
        time run_tests "flock01 -n $c -l $l "     $DIR/flock01-$c-$l.data                                                                                                   
        time run_tests "flock02 -n $c -l $l "     $DIR/flock02-$c-$l.data                                                                                                   
        time run_tests "lease01 -n $c -l $l "     $DIR/lease01-$c-$l.data                                                                                                   
        time run_tests "lease02 -n $c -l $l "     $DIR/lease02-$c-$l.data                                                                                                   
    done                                                                                                                                                                    
done                                                                                                                                                                        

sudo sh -c 'for i in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor ; do echo powersave > $i ; done'

And after that rebuild a new kernel. That was all.

This time I saved the logs. xfs_repair was not so happy either.

cheers,
daniel




Download attachment "dmesg.log.xz" of type "application/x-xz" (19596 bytes)

Download attachment "xfs_repair.log.xz" of type "application/x-xz" (16412 bytes)