Comment 0 for bug 808872

On the UEC images on Amazon, from time to time people see hung task for more than 120 seconds messages.

vm.dirty_background_ratio = 10
vm.dirty_background_bytes = 0
vm.dirty_ratio = 20
vm.dirty_bytes = 0
vm.dirty_writeback_centisecs = 500
vm.dirty_expire_centisecs = 3000
vm.drop_caches = 0

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-virtual 2.6.38.8.22
ProcVersionSignature: User Name 2.6.38-8.42-virtual 2.6.38.2
Uname: Linux 2.6.38-8-virtual x86_64
AlsaDevices:
 total 0
 crw------- 1 root root 116, 1 2011-07-06 21:41 seq
 crw------- 1 root root 116, 33 2011-07-06 21:41 timer
AplayDevices: Error: [Errno 2] No such file or directory
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
CurrentDmesg: [ 21.600011] eth0: no IPv6 routers present
Date: Mon Jul 11 16:01:31 2011
Ec2AMI: ami-6463980d
Ec2AMIManifest: (unknown)
Ec2AvailabilityZone: us-east-1d
Ec2InstanceType: t1.micro
Ec2Kernel: aki-427d952b
Ec2Ramdisk: unavailable
Lspci:

Lsusb: Error: command ['lsusb'] failed with exit code 1:
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: root=LABEL=uec-rootfs ro console=hvc0
ProcModules: acpiphp 24097 0 - Live 0x0000000000000000
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)