[Pkg-samba-maint] Bug#856463: Bug#856463: cifs-utils: Accessing files with length of 1067 bytes extremly slow

Stephan Gampert | GIP stephan.gampert at gip.com
Mon Mar 13 09:40:32 UTC 2017


Hello Mathieu,

........

>I can't say for sur. But this looks strange. But why is packet 34 more
>than 7 seconds after packet 28?

I don't know. Perhaps the server is waiting for a response to the 
Locking AndX Request.

>Can you post here the debugdata and the kernel log as per:
>https://wiki.samba.org/index.php/LinuxCIFS_troubleshooting

I've followed the instructions running

tcpdump -i eth0 -s0 -w slow1067.pcap host 10.0.21.11 and port 445
in one terminal
and

uname -r >slow1067.log && mount.cifs -V >>slow1067.log &&modprobe cifs 
&& echo 7 > /proc/fs/cifs/cifsFYI && sleep 5 && cat /mnt/aaa && sleep 5 
&& echo 0 > /proc/fs/cifs/cifsFYI && dmesg >> slow1067.log && cat 
/proc/fs/cifs/DebugData >> slow1067.log
in the second terminal.

Unfortunately I found no additional debug-data in dmesg. Have I done 
something wrong?

Regards

Stephan


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Stephan Gampert
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