Bug 42402

Summary:	[BUG] Soft-lockup during cpu-hotplug in VFS callpaths
Product:	File System	Reporter:	Maciej Rutecki (maciej.rutecki)
Component:	VFS	Assignee:	fs_vfs
Status:	RESOLVED CODE_FIX
Severity:	normal	CC:	alan, maciej.rutecki, rjw, srivatsa, toralf.foerster
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	3.0.1	Subsystem:
Regression:	Yes	Bisected commit-id:
Bug Depends on:
Bug Blocks:	36912

Description Maciej Rutecki 2011-09-05 19:17:05 UTC

Subject    : [BUG] Soft-lockup during cpu-hotplug in VFS callpaths
Submitter  : "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Date       : 2011-08-24 13:56
Message-ID : 4E550057.9070609@linux.vnet.ibm.com
References : http://marc.info/?l=linux-kernel&m=131419353511653&w=2

This entry is being used for tracking a regression from 2.6.39. Please don't
close it until the problem is fixed in the mainline.

Comment 1 Srivatsa S. Bhat 2011-09-06 08:07:52 UTC

*** Bug 42382 has been marked as a duplicate of this bug. ***

Comment 2 Srivatsa S. Bhat 2012-06-05 05:56:08 UTC

This bug was fixed in mainline by the following commit:

commit e30e2fdfe56288576ee9e04dbb06b4bd5f282203
Author: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Date:   Thu Dec 22 02:45:29 2011 +0530

    VFS: Fix race between CPU hotplug and lglocks

Regards,
Srivatsa S. Bhat