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2016 Dec 25
1
System freeze if mount cifs share with option "hard", and samba server is not available
I know "hard" means command will hang if network is broken. But it seems that's not actuate. It's CPU that will hang.
Affected scope:
I tested it against CentOS 5/6/7, it can be reproduced on all the systems. the debug logs below are captured from CentOS 7 (cifs.ko v2.05)
How to reproduce this problem?
1. mount a cifs share with option "hard"
2. stop samba