Bug 715176

Summary: [abrt] kernel: BUG: Bad page map in process skype pte:cd7a2025 pmd:a4f0c067: TAINTED Proprietary Module
Product: [Fedora] Fedora Reporter: Kevin Brightwell <kevin.brightwell2>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED INSUFFICIENT_DATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 15CC: gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
Whiteboard: abrt_hash:285fcf4a80fcb95d989405564e451ac6502d298c
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-11-22 18:01:39 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description Kevin Brightwell 2011-06-22 05:37:28 UTC 
abrt version: 2.0.1
architecture:   x86_64
cmdline:        ro root=UUID=aac1c074-7059-4525-94b1-19d468421054 rd_NO_LUKS rd_NO_LVM rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYTABLE=us rhgb quiet nouveau.modeset=0 rdblacklist=nouveau
component:      kernel
kernel:         2.6.38.8-32.fc15.x86_64
kernel_tainted: 1
os_release:     Fedora release 15 (Lovelock)
package:        kernel
reason:         BUG: Bad page map in process skype  pte:cd7a2025 pmd:a4f0c067
reported_to:    kerneloops: URL=http://submit.kerneloops.org/submitoops.php
time:           Sun Jun 19 23:33:04 2011

backtrace:
:BUG: Bad page map in process skype  pte:cd7a2025 pmd:a4f0c067
:page:ffffea0002cf2b70 count:2 mapcount:-1 mapping:ffff880037c87258 index:0x3
:page flags: 0x2000000002006c(referenced|uptodate|lru|active|mappedtodisk)
:addr:00000000f6252000 vm_flags:08000075 anon_vma:          (null) mapping:ffff880037c87258 index:3
:vma->vm_ops->fault: filemap_fault+0x0/0x36c
:vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x52
:Pid: 4211, comm: skype Tainted: P            2.6.38.8-32.fc15.x86_64 #1
:Call Trace:
: [<ffffffff8146ee73>] print_bad_pte+0x1a3/0x1bc
: [<ffffffff810f321d>] unmap_vmas+0x504/0x85c

event_log:
:2011-06-22-01:37:45> Submitting oops report to http://submit.kerneloops.org/submitoops.php
:2011-06-22-01:37:47  Kernel oops report was uploaded
Comment 1 Dave Jones 2011-06-27 17:06:02 UTC 
Can you reproduce this without the proprietary module loaded ?
Comment 2 Kevin Brightwell 2011-06-29 12:59:11 UTC 
I apologize, I do not know which module is proprietary. Is it Skype?
Comment 3 Dave Jones 2011-07-11 20:31:59 UTC 
no idea. the lsmod output is missing from the report.

given you're blacklisting nouveau, I'm guessing you use the nvidia module ?
If so, it's that.  (and memory corruption bugs wouldn't be anything new tbh)
Comment 4 Dave Jones 2011-08-15 22:36:41 UTC 
Please try the 2.6.40 update, and see if this problem is still repeatable.