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Bug 205001

Summary:	kernel BUG at fs/dquot.c (2.6.9-42.0.2.ELsmp)
Product:	Red Hat Enterprise Linux 4	Reporter:	Thomas <thomas>
Component:	kernel	Assignee:	Red Hat Kernel Manager <kernel-mgr>
Status:	CLOSED DUPLICATE	QA Contact:	Brian Brock <bbrock>
Severity:	urgent	Docs Contact:
Priority:	medium
Version:	4.4
Target Milestone:	---
Target Release:	---
Hardware:	i686
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2006-11-06 16:01:15 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Thomas 2006-09-02 00:15:22 UTC

Description of problem:  Various systems hard crashing on this kernel, problem
persisted on 2.6.9-34.0.2 -- output from logs:

Sep  1 16:44:07 northcarolina kernel: ------------[ cut here ]------------
Sep  1 16:44:07 northcarolina kernel: kernel BUG at fs/dquot.c:422!
Sep  1 16:44:07 northcarolina kernel: invalid operand: 0000 [#1]
Sep  1 16:44:07 northcarolina kernel: SMP
Sep  1 16:44:07 northcarolina kernel: Modules linked in: nfs lockd nfs_acl md5
ipv6 ipt_TOS iptable_mangle ip_conntrack_ftp ip_conntrack_irc ipt_REJECT
ipt_LOG ipt_limit iptable_filter ipt_multiport ipt_state ip_conntrack ip_tables
autofs4 sunrpc dm_mirror dm_mod button battery ac uhci_hcd ehci_hcd e1000
floppy sg ext3 jbd megaraid_mbox megaraid_mm sd_mod scsi_mod
Sep  1 16:44:07 northcarolina kernel: CPU:    0
Sep  1 16:44:07 northcarolina kernel: EIP:    0060:[<c01823db>]	 Not
tainted VLI
Sep  1 16:44:07 northcarolina kernel: EFLAGS: 00010202	 (2.6.9-42.0.2.ELsmp)
Sep  1 16:44:07 northcarolina kernel: EIP is at invalidate_dquots+0x3d/0xc3
Sep  1 16:44:07 northcarolina kernel: eax: 00000001   ebx: c2f30d40   ecx:
d4c2c200   edx: 00000000
Sep  1 16:44:07 northcarolina kernel: esi: d1448298   edi: 00000000   ebp:
f7f28c00   esp: c6482eec
Sep  1 16:44:07 northcarolina kernel: ds: 007b	 es: 007b   ss: 0068
Sep  1 16:44:07 northcarolina kernel: Process quotaoff (pid: 8265,
threadinfo=c6482000 task=e044a3b0)
Sep  1 16:44:07 northcarolina kernel: Stack: f7f28cac f7f28cac f7f28c00
00000000 c0183b80 00000000 00000000 f7f28c00
Sep  1 16:44:07 northcarolina kernel:	     00000000 00800003 c0185d1e
00000000 c0166267 80000300 e6b49880 c6482000
Sep  1 16:44:07 northcarolina kernel:	     f703bc2c fffffff4 c016f070
c6482f50 fffffff4 00000000 c0166484 f7f51880
Sep  1 16:44:07 northcarolina kernel: Call Trace:
Sep  1 16:44:07 northcarolina kernel:  [<c0183b80>]
vfs_quota_off+0x92/0x115
Sep  1 16:44:07 northcarolina kernel:  [<c0185d1e>]
do_quotactl+0x10d/0x4aa
Sep  1 16:44:07 northcarolina kernel:  [<c0166267>] getname+0x5b/0xb2
Sep  1 16:44:07 northcarolina kernel:  [<c016f070>] dput+0x34/0x1a7
Sep  1 16:44:07 northcarolina kernel:  [<c0166484>] path_release+0xa/0x2d
Sep  1 16:44:07 northcarolina kernel:  [<c016215b>] lookup_bdev+0x66/0x74


Version-Release number of selected component (if applicable):  2.6.9-42.0.2.ELsmp

Additional info:  Unable to reproduce, has affected 4 servers to date running
the same kernel versions.

Comment 1 Jason Baron 2006-10-31 15:41:51 UTC

committed in stream U5 build 42.22. A test kernel with this patch is available
from http://people.redhat.com/~jbaron/rhel4/

Comment 2 Linda Wang 2006-11-06 16:01:15 UTC


*** This bug has been marked as a duplicate of 209639 ***

Comment 3 Jay Turner 2007-02-08 13:36:15 UTC

Pulling in acks from 209639.