Bug 17762

Summary: nfsd deadlock, 2.6.36-rc3
Product: File System Reporter: Maciej Rutecki (maciej.rutecki)
Component: NFSAssignee: bfields
Severity: normal CC: maciej.rutecki, rjw, trondmy
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: 2.6.36-rc3 Tree: Mainline
Regression: Yes
Bug Depends on:    
Bug Blocks: 16444    

Description Maciej Rutecki 2010-09-03 19:11:25 UTC
Subject    : nfsd deadlock, 2.6.36-rc3
Submitter  : Tim Gardner <tim.gardner@canonical.com>
Date       : 2010-09-01 15:39
Message-ID : 4C7E73CB.7030603@canonical.com
References : http://marc.info/?l=linux-kernel&m=128335681711984&w=2

This entry is being used for tracking a regression from 2.6.35. Please don't
close it until the problem is fixed in the mainline.
Comment 1 Trond Myklebust 2010-09-03 19:22:07 UTC
To me that looks just like the usual deadlock scenario that is known to occur when the nfs server enters direct page reclaim on a loopback-mounted nfs client.

Reassigning to Bruce.
Comment 2 bfields 2010-09-03 20:00:19 UTC
Trond is correct, see followup in mailing list discussion.