Public bug reported:
The following message is repeated multiple times in my logs.
[ 15.508803] swap_free: Bad swap file entry 400000000000000
[ 15.508808] BUG: Bad page map in process udevd pte:00000004 pmd:2215bf067
[ 15.508811] addr:00007fcd8e5fc000 vm_flags:00000070 anon_vma:
(null) mapping:ffff88021c0b4218
index:31d
[ 15.508815] vma->vm_ops->fault: filemap_fault+0x0/0x470
[ 15.508819] vma->vm_file->f_op->mmap: ext4_file_mmap+0x0/0x50
[ 15.508822] Pid: 763, comm: udevd Tainted: PF O 3.8.0-18-generic
#28-Ubuntu
[ 15.508824] Call Trace:
[ 15.508831] [<ffffffff8115488d>] print_bad_pte+0x1dd/0x250
[ 15.508833] [<ffffffff81156f09>] unmap_page_range+0x529/0x750
[ 15.508835] [<ffffffff811571ba>] unmap_single_vma+0x8a/0x100
[ 15.508838] [<ffffffff81157a19>] unmap_vmas+0x49/0x90
[ 15.508841] [<ffffffff8115fe08>] exit_mmap+0x98/0x170
[ 15.508845] [<ffffffff810559d4>] mmput+0x64/0x100
[ 15.508848] [<ffffffff8105e312>] do_exit+0x242/0x9d0
[ 15.508851] [<ffffffff8119564e>] ? ____fput+0xe/0x10
[ 15.508855] [<ffffffff8107a13c>] ? task_work_run+0xac/0xe0
[ 15.508857] [<ffffffff8105eb1f>] do_group_exit+0x3f/0xa0
[ 15.508858] [<ffffffff8105eb97>] sys_exit_group+0x17/0x20
[ 15.508863] [<ffffffff816d379d>] system_call_fastpath+0x1a/0x1f
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: linux-image-3.8.0-18-generic 3.8.0-18.28
ProcVersionSignature: Ubuntu 3.8.0-18.28-generic 3.8.6
Uname: Linux 3.8.0-18-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: rich 4044 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory: 'iw'
Date: Sun Apr 14 14:04:55 2013
HibernationDevice: RESUME=UUID=db93097a-7476-44b8-ae5b-f25e04fce538
InstallationDate: Installed on 2011-02-26 (778 days ago)
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007.1)
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
MachineType: System manufacturer System Product Name
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.utf8
SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-18-generic
root=UUID=72deefd6-bbe4-4219-95ae-922ae9faa63e ro
crashkernel=384M-2G:64M,2G-:128M quiet splash
RelatedPackageVersions:
linux-restricted-modules-3.8.0-18-generic N/A
linux-backports-modules-3.8.0-18-generic N/A
linux-firmware 1.105
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to raring on 2013-04-11 (3 days ago)
dmi.bios.date: 10/09/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3029
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: Crosshair IV Formula
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr3029:bd10/09/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnCrosshairIVFormula:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug package-from-proposed raring
** Attachment added: "dmesg.txt"
https://bugs.launchpad.net/bugs/1168930/+attachment/3644065/+files/dmesg.txt
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https://bugs.launchpad.net/bugs/1168930
Title:
BUG: Bad page map in process udevd pte:00000004 pmd:2215bf067
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