Bug 17762

Summary:	nfsd deadlock, 2.6.36-rc3
Product:	File System	Reporter:	Maciej Rutecki (maciej.rutecki)
Component:	NFS	Assignee:	bfields
Status:	CLOSED INVALID
Severity:	normal	CC:	maciej.rutecki, rjw, trondmy
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	2.6.36-rc3	Subsystem:
Regression:	Yes	Bisected commit-id:
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.