Bug 469650 – [REG][5.2][NFSv4] Accessing the same file at the same time causes NFSv4 open() call to stall forever on NFS4ERR_DELAY

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Bug 469650 - [REG][5.2][NFSv4] Accessing the same file at the same time causes NFSv4 open() call to stall forever on NFS4ERR_DELAY

Summary:	[REG][5.2][NFSv4] Accessing the same file at the same time causes NFSv4 open(...

Status:	CLOSED ERRATA

Aliases:	None

Product:	Red Hat Enterprise Linux 5
Classification:	Red Hat
Component:	kernel (Show other bugs)
Sub Component:
Version:	5.2
Hardware:	All Linux

Priority	urgent Severity urgent
Target Milestone:	rc
Target Release:	---
Assigned To:	Jiri Pirko
QA Contact:	Martin Jenner
Docs Contact:

URL:
Whiteboard:
Keywords:	Regression, ZStream

Depends On:	441884
Blocks:
	Show dependency tree / graph

Reported:	2008-11-03 04:04 EST by RHEL Product and Program Management
Modified:	2015-05-04 21:15 EDT (History)
CC List:	12 users (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2008-12-16 02:34:20 EST
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
patch 1 -- Poll aggressively when handling NFS4ERR_DELAY (1.69 KB, patch) 2008-11-07 17:47 EST, Jeff Layton	no flags	Details \| Diff
patch 2 -- credential ref leak in nfs4_get_state_owner (3.35 KB, patch) 2008-11-07 17:48 EST, Jeff Layton	no flags	Details \| Diff
patch 3 -- don't reuse expired nfs4_state_owner structs (684 bytes, patch) 2008-11-07 17:49 EST, Jeff Layton	no flags	Details \| Diff
patch 1 -- Poll aggressively when handling NFS4ERR_DELAY (1.10 KB, patch) 2008-11-07 17:51 EST, Jeff Layton	no flags	Details \| Diff
patch 2 -- credential ref leak in nfs4_get_state_owner (1.94 KB, patch) 2008-11-07 17:52 EST, Jeff Layton	no flags	Details \| Diff
patch 3 -- don't reuse expired nfs4_state_owner structs (3.75 KB, patch) 2008-11-07 17:52 EST, Jeff Layton	no flags	Details \| Diff
Show Obsolete (3) Add an attachment (proposed patch, testcase, etc.)

External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2008:1017	normal	SHIPPED_LIVE	Important: kernel security and bug fix update	2008-12-16 02:33:56 EST

Groups: None (edit)

Description RHEL Product and Program Management 2008-11-03 04:04:26 EST

This bug has been copied from bug #441884 and has been proposed
to be backported to 5.2 z-stream (EUS).

Comment 2 RHEL Product and Program Management 2008-11-03 04:29:28 EST

This bugzilla has Keywords: Regression.  

Since no regressions are allowed between releases, 
it is also being proposed as a blocker for this release.  

Please resolve ASAP.

Comment 3 Jeff Layton 2008-11-07 17:47:46 EST

Created attachment 322906 [details]
patch 1 -- Poll aggressively when handling NFS4ERR_DELAY

Comment 4 Jeff Layton 2008-11-07 17:48:29 EST

Created attachment 322907 [details]
patch 2 -- credential ref leak in nfs4_get_state_owner

Comment 5 Jeff Layton 2008-11-07 17:49:03 EST

Created attachment 322908 [details]
patch 3 -- don't reuse expired nfs4_state_owner structs

Comment 6 Jeff Layton 2008-11-07 17:51:30 EST

Created attachment 322909 [details]
patch 1 -- Poll aggressively when handling NFS4ERR_DELAY

Let's try that again -- had some stgit weirdness...

Comment 7 Jeff Layton 2008-11-07 17:52:11 EST

Created attachment 322910 [details]
patch 2 -- credential ref leak in nfs4_get_state_owner

Comment 8 Jeff Layton 2008-11-07 17:52:38 EST

Created attachment 322911 [details]
patch 3 -- don't reuse expired nfs4_state_owner structs

Comment 9 Jeff Layton 2008-11-07 17:53:19 EST

Jiri, I expect that these will apply pretty cleanly to 5.2. Let me know if they don't...

Comment 10 Jiri Pirko 2008-11-13 10:05:55 EST

(In reply to comment #9)
> Jiri, I expect that these will apply pretty cleanly to 5.2. Let me know if they
> don't...
Yes, they are. Thanks.

Comment 11 Jiri Pirko 2008-11-21 08:52:04 EST

in kernel-2.6.18-92.1.20.el5

you can download RPMs from http://people.redhat.com/jpirko/.el52z/92.1.20/

Comment 15 errata-xmlrpc 2008-12-16 02:34:20 EST

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2008-1017.html

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