>> 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



Attachment: dmesg.log.xz
Description: application/xz

Attachment: xfs_repair.log.xz
Description: application/xz

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