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Jose, please open a separate bug, as this is an entirely different problem. (I really hate Ubuntu bugs that have a generic description, because it seems to generate "Ubuntu Launchpad Syndrome" --- a problem which seems to cause users to search for bugs, see something that looks vaguely similar, and then they add a "me too" to a bug, instead of opening a new bug.) Launchpad simply doesn't scale, and it's painful as all heck to deal with a bug with 200 comments. And this is entirely unrelated to the problem that people were dealing with --- and which has been solved in the Ubuntu kernels and in 2.6.29. The errors you are reporting are entirely consistent with this which I found earlier in your dmesg: [ 7.531490] EXT4-fs warning: mounting fs with errors, running e2fsck is recommended I'm guessing you didn't set up your /etc/fstab correctly so that the filesystem on your /dev/mmcblk0p1 (i.e., your SD card) would have e2fsck run on reboot when it had errors. That would certainly be consistent with the dmesg log which you showed. As for what caused the problem, I'm not entirely sure. One things is for sure, though --- you need to fix up your filesystem first, and I would recommend that you check out your /etc/fstab to make sure that the filesystem is checked at boot-up if it needs it. That means the fsck pass field of /etc/fstab needs to be non-zero. In any case, please open a new bug, and put a pointer in this launchpad bug to the new bug so people who are interested can follow you to the new bug. Thanks! -- Ext4 data loss https://bugs.launchpad.net/bugs/317781 You received this bug notification because you are a member of eCryptfs, which is subscribed to ecryptfs-utils in ubuntu. Status in “ecryptfs-utils” source package in Ubuntu: Invalid Status in “linux” source package in Ubuntu: Fix Released Status in ecryptfs-utils in Ubuntu Jaunty: Invalid Status in linux in Ubuntu Jaunty: Fix Released Bug description: I recently installed Kubuntu Jaunty on a new drive, using Ext4 for all my data. The first time i had this problem was a few days ago when after a power loss ktimetracker's config file was replaced by a 0 byte version . No idea if anything else was affected.. I just noticed ktimetracker right away. Today, I was experimenting with some BIOS settings that made the system crash right after loading the desktop. After a clean reboot pretty much any file written to by any application (during the previous boot) was 0 bytes. For example Plasma and some of the KDE core config files were reset. Also some of my MySQL databases were killed... My EXT4 partitions all use the default settings with no performance tweaks. Barriers on, extents on, ordered data mode.. I used Ext3 for 2 years and I never had any problems after power losses or system crashes. Jaunty has all the recent updates except for the kernel that i don't upgrade because of bug #315006 ProblemType: Bug Architecture: amd64 DistroRelease: Ubuntu 9.04 NonfreeKernelModules: nvidia Package: linux-image-2.6.28-4-generic 2.6.28-4.6 ProcCmdLine: root=UUID=81942248-db70-46ef-97df-836006aad399 ro rootfstype=ext4 vga=791 all_generic_ide elevator=anticipatory ProcEnviron: LANGUAGE= LANG=en_US.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.28-4.6-generic SourcePackage: linux
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