Bug 133740

Summary: ip_conntrack gives mini-oops
Product: [Fedora] Fedora Reporter: Stephen John Smoogen <smooge>
Component: kernelAssignee: Dave Jones <davej>
Status: CLOSED CURRENTRELEASE QA Contact: Brian Brock <bbrock>
Severity: medium Docs Contact:
Priority: medium    
Version: 3CC: pfrields, wtogami
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: 2004-11-22 00:28:21 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---
Bug Depends On:    
Bug Blocks: 123268, 136451    

Description Stephen John Smoogen 2004-09-27 03:33:01 UTC
From Bugzilla Helper:
User-Agent: Mozilla/5.0 (X11; U; Linux i686; rv:1.7.3) Gecko/20040914
Firefox/0.10

Description of problem:
Doing a 

cat /proc/net/ip_conntrack

causes output and then in dmesg a line about:

Debug: sleeping function called from invalid context at mm/slab.c:2046
in_atomic():1[expected: 0], irqs_disabled():0
 [<0211c50c>] __might_sleep+0x7d/0x89
 [<02147a12>] kmem_cache_alloc+0x1d/0x4c
 [<22a200b8>] ct_seq_start+0x3c/0x50 [ip_conntrack]
 [<02187457>] seq_read+0xcb/0x23e
 [<02161697>] vfs_read+0xb6/0xe2
 [<021618aa>] sys_read+0x3c/0x62
bad: scheduling while atomic!
 [<022f7159>] schedule+0x2d/0x59b
 [<02106542>] dump_stack+0x11/0x13
 [<0211c50c>] __might_sleep+0x7d/0x89
 [<02147a17>] kmem_cache_alloc+0x22/0x4c
 [<22a200b8>] ct_seq_start+0x3c/0x50 [ip_conntrack]
 [<02187457>] seq_read+0xcb/0x23e
 [<02161697>] vfs_read+0xb6/0xe2
 [<021618aa>] sys_read+0x3c/0x62



Version-Release number of selected component (if applicable):
kernel-2.6.8-1.541

How reproducible:
Always

Steps to Reproduce:
1. install default system
2. cat /proc/net/ip_conntrack
3. dmesg
    

Actual Results:  lines about scheduling not working

Expected Results:  no output

Additional info:

Comment 1 Dave Jones 2004-11-20 20:25:00 UTC
fixed in latest updates ?

Comment 2 Stephen John Smoogen 2004-11-22 00:27:39 UTC
Fixed in latest kernel kernel-2.6.9-1.678_FC3. maybe fixed earlier.

Sorry for not updating sooner.