Comment 2 for bug 600565

Revision history for this message
jgreenso (james-green-mjog) wrote : Re: cifs hangs with "Server not responding"

I tried to use dd if=/dev/zero bs=100 of=ControlPanel/test/foo and ctrl+c'd it after a few seconds. 144M file appeared under windows but dd hung completely. I couldn't even kill -9 the PID as root. I had to reboot Ubuntu with shutdown -r now.

I'm getting in syslog:
Jul 2 11:00:58 ubuntu kernel: [ 952.643403] CIFS VFS: No response for cmd 50 mid 2518
Jul 2 11:01:13 ubuntu kernel: [ 967.721554] CIFS VFS: server not responding
Jul 2 11:01:13 ubuntu kernel: [ 967.722125] CIFS VFS: No response for cmd 50 mid 2647
Jul 2 11:01:13 ubuntu kernel: [ 967.722873] CIFS VFS: Unexpected lookup error -112

This could be a CIFS problem and nothing to do with Ubuntu of course. It seems a little co-incidental that yesterday morning a kernel update come in and since then the share has been unusably slow when trying to operate phpunit.

I've just asked a colleague to mount this share from his XP machine - he managed to copy a multi-megabyte file in without any delay.