Bug 158372

Summary: modprobe -r snd-intel8x0 oopses the kernel
Product: [Fedora] Fedora Reporter: Bill Nottingham <notting>
Component: kernelAssignee: Dave Jones <davej>
Status: CLOSED RAWHIDE QA Contact: Brian Brock <bbrock>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: pfrields, rvokal, wtogami
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2005-05-23 16:29:48 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:
Bug Depends On:    
Bug Blocks: 136451    

Description Bill Nottingham 2005-05-21 02:18:40 UTC
Description of problem:

SSIA

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

2.6.11-1.1323_FC4

How reproducible:

Just happened on the box at work (remotely)

Steps to Reproduce:
1. Check sound levels with alsamixer
2. Run modprobe -r snd-intel8x0
  
Actual results:

Box hung.

Expected results:

Box responsive.

Comment 1 Dave Jones 2005-05-21 07:47:07 UTC
no nice oops msgs ?

what chipset ?

Comment 2 Bill Nottingham 2005-05-23 04:21:35 UTC
Did it remotely on the box at work, will get messages on Monday, hopefully. It's
E75xx.

Comment 3 Bill Nottingham 2005-05-23 15:52:50 UTC
The trace still on the screen says:

__call_usermodehelper
posion_obj
error_exit
__change_page_attr
init_level4_pgt
flat_send_IP_allbutself
__down_write
do_flush_tlb_all
change_page_attr_addr
iounmap
:snd_intel8x0:snd_intel8x0_free
:snd:snd_device_free
:snd:snd_device_free_all
:snd:snd_card_free
:snd_intel8x0:snd_intel8x0_remove
pci_device_remove
device_release_driver
bus_remove_driver
driver_unregister
pci_unregister_driver
sys_delete_module


Comment 4 Bill Nottingham 2005-05-23 16:21:53 UTC
OK, reproduced it. The *top* of the oops is:

Kernel BUG at "arch/x86_64/mm/pageattr.c":154
Invalid operand: 0000 [1] SMP
RIP :.... __change_page_attr+706

It hung printing the tombstone; there's no trace this time.


Comment 5 Bill Nottingham 2005-05-23 16:29:48 UTC
Works in 1341. Woohoo!