As far as I can see from the upstream discussion this is indeed a kernel
issue. Initially it was intended to be fixed by
Author: Mel Gorman <mgor...@suse.de>
xen: properly account for _PAGE_NUMA during xen pte translations
...
Steven Noonan forwarded a users report where they had a problem starting vsftpd
on a Xen paravirtualized guest, with this in dmesg: BUG: Bad page map in
process vsftpd pte:8000000493b88165 pmd:e9cc01067
...
However the patch got reverted later (which also made it back into 14.04
via stable because it caused regressions on migration. With v3.15-rc2
there was a new change to address this:
commit 29c7787075c92ca8af353acd5301481e6f37082f
Author: Mel Gorman <mgor...@suse.de>
mm: use paravirt friendly ops for NUMA hinting ptes
It looks that change (while tagged for stable) has not yet been picked
up for 3.13.
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https://bugs.launchpad.net/bugs/1313450
Title:
Unable to start vsftpd on Ubuntu 14.04 (Amazon/EC2 or Xen) with
default configuration
Status in “linux” package in Ubuntu:
Confirmed
Status in “vsftpd” package in Ubuntu:
Invalid
Bug description:
The configuration submitted was modified during testing, but this also
failed with the default configuration. The only solution I have found
so far was to delete the configuration, this would allow the service
to start, but obviously not work as intended.
If I try to start the service manually using vsftpd or sudo vsftpd I receive
the following error message:
500 OOPS: munmap
I also tried the default commands
/etc/init.d/vsftpd or service vsftpd start
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: vsftpd 3.0.2-1ubuntu2
ProcVersionSignature: User Name 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
Date: Sun Apr 27 21:23:18 2014
Ec2AMI: ami-896c96fe
Ec2AMIManifest: (unknown)
Ec2AvailabilityZone: eu-west-1b
Ec2InstanceType: t1.micro
Ec2Kernel: aki-52a34525
Ec2Ramdisk: unavailable
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: vsftpd
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.vsftpd.conf: [modified]
mtime.conffile..etc.vsftpd.conf: 2014-04-27T21:16:28.222467
---
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
DistroRelease: Ubuntu 14.04
Ec2AMI: ami-896c96fe
Ec2AMIManifest: (unknown)
Ec2AvailabilityZone: eu-west-1b
Ec2InstanceType: t1.micro
Ec2Kernel: aki-52a34525
Ec2Ramdisk: unavailable
Package: vsftpd 3.0.2-1ubuntu2
PackageArchitecture: amd64
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: User Name 3.13.0-24.46-generic 3.13.9
Tags: trusty ec2-images
Uname: Linux 3.13.0-24-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm audio cdrom dialout dip floppy netdev plugdev sudo video
_MarkForUpload: True
modified.conffile..etc.vsftpd.conf: [modified]
mtime.conffile..etc.vsftpd.conf: 2014-04-29T19:03:28.834467
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