Public bug reported:
I have switched to Crucial M4 SSD drive this week and as soon as I
booted the copied-over system from a new disk, I began noticing EXT4
errors in dmesg. They seem pretty serious and I am being warned that
"data WILL BE lost". I can't confirm any data loss yet, but maybe just
because I didn't notice it.
What's more, it seems that whenever I do something disk intensive, these
errors tend to show up in dmesg and at the same time some processes
segfault, like google-chrome's processes (plugins, tabs) or Virtualbox.
It gives a feeling that maybe they are being starved by I/O scheduler. I
tried noop and deadline and it's been the same, I went back now to CFQ
to see if this changes anything.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-23-generic (not installed)
ProcVersionSignature: Ubuntu 3.2.0-22.35-generic 3.2.14
Uname: Linux 3.2.0-22-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu2
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: cromo 1862 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf6adc000 irq 48'
Mixer name : 'Intel Cantiga HDMI'
Components : 'HDA:111d76b2,10280233,00100302
HDA:80862802,80860101,00100000'
Controls : 26
Simple ctrls : 12
Date: Sun Apr 15 20:08:10 2012
HibernationDevice: RESUME=UUID=4da1c619-669e-4d7c-9cef-ffb960bd2aa8
InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Beta amd64 (20100902.1)
MachineType: Dell Inc. Latitude E6400
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-22-generic
root=UUID=c0ac5e9b-4a61-4d91-a546-5379b9ba2edb ro ipv6.disable=1 quiet splash
elevator=deadline vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-22-generic N/A
linux-backports-modules-3.2.0-22-generic N/A
linux-firmware 1.79
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: Upgraded to precise on 2012-03-07 (39 days ago)
dmi.bios.date: 02/16/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A28
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA28:bd02/16/2011:svnDellInc.:pnLatitudeE6400:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude E6400
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise staging
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https://bugs.launchpad.net/bugs/982490
Title:
EXT4 filesystem errors after switching to SSD drive
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