General :: WARNING: "BTRFS Will Screw Your Debian / Ubuntu System"
May 6, 2011
Things were fine for a couple months until this most recent dist-upgrade. The new grub has an incompatibility with BTRFS which nearly caused me to lose everything, as grub couldn't set up the boot system since it can't see the BTRFS partition. I worked for days trying to get help in the linux-btrfs listserv, but they don't seem to understand Debian/Ubuntu, and they kept referring me to Debian and grub devs. I asked them how those devs will know any more about BTRFS than they do, but there was no reply.
They said the new grub (1.99~rc1-13) will fix it, but unfortunately the Debian package management system was jammed by BTRFS as well and I couldn't install/deinstall anything. I finally had to unpack the grub-pc .deb and manually install it, but guess what? It didn't fix the problem. I've now had to completely rebuild my system without BTRFS. This has cost me days, which I cannot spare. I realize it says 'experimental' on the BTRFS website, but it is in the stable kernel, and there is not a word anywhere about it being completely non-functional in Debian/Ubuntu.
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May 14, 2010
Okay so a newb question but I typed the simple command sudo apt-get install lottanzb to install lottanzb after adding the testing repositories (currently using Lenny stable) and got a huge shed load of things updated including AWN from the testing source as a result (pages of them flashed by) and it removed some things like Epiphany browser.
Got a load of errors at one point during this including
/var/lib/dpkg/info/libc6.postinst: line 165: [: missing `]'
Usage: /etc/init.d/cron {start|stop|restart|reload|force-reload}.
/var/lib/dpkg/info/libc6.postinst: line 165: [: missing `]'
Status of Common Unix Printing System: cupsd is running.
/var/lib/dpkg/info/libc6.postinst: line 165: [: missing `]'
checking separate queue runner daemon...done (not running).
[Code]...
Am I being dumb here or does that mean I`m now basically using Debian testing as a result and if so how can I undo it yet keep LottaNZB? With the errors am concerned in case I reboot and the system goes from stable to unstable. I chose Debian for the stability so don`t want the testing versions, and have no idea why a simple install command updated so much stuff. EDIT: It bigtime messed it up, when I logged out and logged back in system was unusable and I had to reinstall as tried apt remove but it didn`t undo it. Quite surprised that Linux breaks easier than Windows though
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Feb 9, 2015
My goal ist to install Debian Jessie on a drive with a btrfs subvolume scheme. This is my first time using btrfs and also my first Jessie installation.
My experience is, that partman creates btrfs file systems but doesn´t support btrfs subvolumes (why not?).
I successfully created btrfs subvolumes manually in a shell session during ("expert") installation and manually mounted them to the desired mount points in /target. Installation went through until grub2 installation, which failed.
Is there a best practice to install Debian (Jessie) on a btrfs file system with subvolumes? I want to use subvolumes for /, /home, /var/log and /var/lib/mysql.
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Jul 13, 2010
My system is fully updated, and I haven't seen any unusual behavior. This message is listed at boot for the last few cycles:
startpar: service(s) skipped: dirmngr ... (warning)
"(warning)" is in red. The dirmngr man page is over my head. Is this serious? If so, what do I need to do?
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May 20, 2011
Just upgraded (libudev0 and related) and system fails to mount other partitions, gives a lot of errors and drops to single mode.
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Jun 26, 2010
Debian 5.0. Lately after login following warning popup;Your system had a kernel failure
There is diagnostic information availiable for this failure. Do you want to submit this infomation to the www.kerneloops.org
-> Yes
$ uname -aLinux vm0.debian50 2.6.26-2-686 #1 SMP Wed May 12 21:56:10 UTC 2010 i686 GNU/Linux
Reboot to old kernel 2.6.26-1 the said warning doesn't popup. Reboot again to kernel 2.6.26-2 and after login no kernel failure warning popup. I did it twice. IIRC I encountered this problem before.
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Sep 11, 2011
I want to convert the file system on my boot drive from ext4 to btrfs.
I have converted by 2nd drive, unsure of how to convert the boot drive and partitions.
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Sep 8, 2015
I have installed Debian through the Debootstrap process using the ext4 fs for root and it worked without a problem. When I tried to install Debian mounted on btrfs subvolumes, there are problems mounting root while booting so it crashes... Any clue if Debian supports btrfs subvolumes?
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Jun 27, 2011
please anybody tell me how to check the availability of ethernet card in redhat 5.2 without using screw driver.
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Mar 2, 2010
Does anyone know why files in my /tmp directory are not able to rm even using root login? not only that, I can't even chmod or do anything to files in /tmp directory... it always saying "read only file system" warning
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Sep 20, 2010
I'm a big fan of ZFS on FreeBSD (I've been using it on my home server since before it got stable; bleeding edge, baby!) and I'd like to try out btrfs to see how that's evolving. Since it's still largely in development, none of the usual mainstream distros have btrfs as an option. I haven't used Linux in a bunch of years, so I don't really know what my best options are for giving btrfs a try.
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Jul 11, 2010
I've just bought a new SSD hard drive:Kingston SSDNow V-Series SNV125-S2/128GB 2.5'' 128GB SATA/300The question is which filesystem whould you recommand and why?BTRFS vs NILFS2 or EXT4?If you choose ext4 would you enable jurnalling?I'm very close to choose Btrfs.Any experience with running any of these on your SSD?
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Jun 2, 2010
I installed Ubuntu on a partition on my Mac Mini and everything was working fine until a couple hours ago, when I logged out to go back to the OS X side. For some reason, now in OS X it recognizes the existence of the mouse (there's a pointer I can move around) but it doesn't interact with anything and I can't click on anything. Is this something to do with Refit or my Ubuntu install? Is this something I can fix?
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Nov 19, 2010
my friend partitioned some of my hard drive (vista) and installed ubuntu 9.04 on it.for a while, I didn't really use it too much.But recently I've started to see that it's a better coding environment for me (cs major).i was having a few problems here and there, so i decided to update to 9.10 through the update manager.i was no longer able to use my mouse pad after doing this, but i eventually found a solution online that worked.then i decided i might as well go up to 10.04.when it was installing, it asked me if i wanted to change a "menu", or keep the current one.I said to change it (stupid, i know).after the installation was complete, i have a few problems that i have NO idea how to fix.i've searched all over the internet, but nothing has worked so far.
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Sep 7, 2015
So I have installed Debian through debootstrap and it seemed to go off without a hitch, the problem came problem came about during the boot process. I am dual-booting with Arch and use Systemd-boot as my bootloader... it finds the kernal and initrd and starts to boot but I run into this problem where it gets to the options part for root and doesn't mount. have done this very same installation on virtualbox with ext4 filesystem and it worked without a hitch.. I know it has something to do with the btrfs subvolumes I'm so new to Debian I haven't made it past this installation process..
here is my lsblk
Code: Select all Â
sda    8:0   0  /My_Files
sdb    8:32  0  /home
sdc    8:48  0  Â
[code]....
I have installed btrfs-tools and I don't know what the following means... It seems to do the first two fine, vmlinuz and initrd.img but it doesn't find my root because maybe it doesn't recognize the 'rootflags' tag? or Debian doesn't automatically deal with btrfs-subvolumes nicely?
Code:
Select allBegin: checking root file system . . . fsck from util-linux 2.25.2
/sbin/fsck.btrfs: BTRFS file system
mount: mounting PARTUUID=................................................................ on /root failed
Target filesystem doesn't have requested /sbin/init
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Dec 25, 2010
I tend to buy music on my iPod touch directly, then synchronize it with iTunes later. After goofing around with Rythembox by trying (unsuccessfully) to import some mp3s onto my iPod, I noticed that my recently purchased 'Fame Monster' Lady Gaga album would not synchronize with iTunes, although the music was still playable and indexed correctly on the ipod itself. I also noticed that Rhythembox can't seem to find that album either. It is quite strange.
So I browsed around the file structure on the ipod to try to hunt down these m4a files and found them in a folder called 'Purchases' - they were all there along with a few other recent purchases. These m4a files are different though - they don't seem to have any of the audio tracks' meta-data embedded in the files themselves, that info is instead in associated 'plist' files that are just xml files with all the info about the tracks you'd expect.
When you sync an ipod touch with itunes, it copies your 'on-the-go' generated playlists - so I tried to trick itunes into finding these files by adding my gaga album to a playlist, but sure enough after synching, that playlist simply disappeared. I tried it again, but this time also adding other songs that are not having any problems, and sure enough the playlist was successfully copied to itunes... SANS any of the gaga tracks! This is so weird.
So basically I have these tracks that are paid for, not cheap might I add, that are playable on my ipod touch, but simply refuse to synchronize with itunes. Why not just grab it m4a off the ipod directly? Well thats true, they play on my computer just fine that way, but the files don't have any of the album and track information embedded...
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Mar 6, 2010
I had (and still do) a working dual-boot XP/Karmic (GRUB version 1.97 beta4). I shrank the Ubuntu partition and set up partitions and installed Debian 5.04. When I got to the point of installing GRUB, I told Debian to install grub to MBR. On rebooting, Ubuntu was not an option on the NEW (looked different) grub menu.Maybe it was GRUB2? Could boot to either XP or Debian though.
Thought easiest thing was to reinstall Ubuntu since it seems to "see" other OS's more reliably. So I did, and installed GRUB again during its install to MBR. Then, all three were in the GRUB menu (version 1.97 beta4 again), but when tried booting to Debian, got an error (forget the wording), but think it was because the partitions got renumbered when installing Ubuntu.
SO, reinstalled Debian, reformatting the partitions but not deleting them first so the numbering stayed the same. When got to the part for installing GRUB, I told it to skip (I got some kind of error that said "Install failed. This is a fatal error. You will have to boot with an external device..."), hoping now the current GRUB would work.
Now, all three were on the GRUB menu, but when I tried to boot Debian, I got "no such device" and a list of numbers/letters after it. And "press any key to continue", which takes you back to the GRUB menu (version 1.97 beta4, by the way).
O.K., did sudo update-grub in ubuntu and rebooted. Now, Debian 5.04 shows as last entry in GRUB, and choosing it starts a boot, which hangs at "Begin: Waiting for root file system....".
Waiting long enough at the "Waiting for root file system..." hang results in a series of notifications:
WARNING bootdevice may be renamed. Try root=dev/hda3
Gave up waiting for root device. Common problems:
-Boot args (cat /proc/cmdline)
-Check rootdelay= (did the system wait long enough?)
-Check root= (did the sytem wait for the right device?)
-Missing modules (cat /proc/modules; ls /dev)
ALERT! /dev/sda3 does not exist. Dropping to a shell!
In Gparted, the partition with Debian root is hdc3, although on the GRUB menu it's listed as /dev/sda3. However, in Gparted the Windows partition is hdc1 and on GRUB it's /dev/sda1, and it boots fine.....
Is my Debian install just borked? Did telling it to skip installing a bootloader (I got some kind of error that said "Install failed. This is a fatal error. You will have to boot with an external device..." ruin it?
If skipping the bootloader install did ruin it, how do you install Debian without borking your current GRUB? That's what happened the first time.
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Jan 29, 2010
Since upgrading last week we keep getting a red icon warning msg for the ABRT system - it's not really something we want to have activated - is there any way to turn it off ?
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Apr 8, 2010
I was recently surprised by this SCIM stuff that seems to screw around with my normal text input. I try to be curious and approach my issues with an open mind, so before I try to remove SCIM, I want to know what the hell it's supposed to do.but it's not obvious to me
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May 26, 2011
managed to screw up the ownership of many directories on a remote server whilst installing a piece of new software. Basically I have set all ownership from / downwards to apache:apache.
Spotted the error quite quickly and managed to abort it, but am now unable to change to root to put anything right. Is there any way to restore ownerships of the underlying Slackware to 'factory default' as it were? Had a quick google and found some links for a script that is supposed to work, but it appears broken,
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Mar 22, 2010
Recently upgraded to F12. K3B can't burn DVDs. Drive was working fine in Fedora 10 before the upgrade, and I've applied all updates.
Here is the output when run from console:
Code:
lsof: WARNING: can't stat() fuse.gvfs-fuse-daemon file system /home/SlowCoder/.gvfs
Output information may be incomplete.
(K3bDevice::HalConnection) unlock queued for /org/freedesktop/Hal/devices/storage_model_DVD__RW_GA10N
First sec data area: 43:41:33 (LBA 196608) (402653184
[code]....
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Jan 7, 2010
im writing a simple socket program and im getting below mentioned warning msg. what does it mean and what i have to do to avoid this warning ??
/usr/include/sys/socket.h:214: note: expected 'socklen_t * __restrict__' but argument is of type 'int *'
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Jan 27, 2010
I'm trying to link 'aubio' (a lib) and its failing on one of ts dep's with this error.
Code:
$ make
Making all in src
make[1]: Entering directory `/home/John/Externals/aubio/aubio-0.3.2/src'
make all-am
[code]....
"Warning: This system can not link to static lib archive /usr/local/lib/libff"
I've configured/make/make installed fftw and its doing just fine in the usr/lib folder, so I'm at a loss at how to fix this. Do I need to build fftw again using some kind of shared make switch? I couldn't find any referance about that.
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Jul 6, 2010
i just tried to install Ubuntu Netbook 10.04 on my old Amilo Lifebook P Series. But after the boot screen and the choice to install Ubuntu i get stuck at the Ubuntu screen with the little dots on the bottom If I hit esc i can see the warning (process 257): GLib-WARNING **: getpwuid_(r) failed due to unknown user id (0)
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Apr 4, 2010
I am still probably of the windows mindset when it comes to security. I ran rootkit this morning and received the following error messages;
[09:43:49] /usr/sbin/unhide [ Warning ]
[09:43:49] Warning: The file '/usr/sbin/unhide' exists on the system, but it is not present in the rkhunter.dat file.
09:43:49] /usr/sbin/unhide-linux26 [ Warning ]
[code]....
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Aug 12, 2011
I'm running Debian Testing and since some time ago I'm getting the following messages:Any ideas how to solve this warnings?
(gtk-update-icon-cache:9204): GdkPixbuf-WARNING **: Cannot open pixbuf loader module file '/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache': No such file or directory
Processing triggers for gconf2 ...
[code]....
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Oct 10, 2010
I am about to setup a computer with Maverick. This will be for experiment use only, there will be nothing of any critical nature on it. Should I consider using the BTRFS, yes or no ? What would be the advantages/disadvantages (if any) on using it as opposed to EXT4 ?
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Mar 15, 2011
I'm just diving in to figuring out how to partition/utilise BTRFS.I am used to just installing with EXT4 and carving out a / and a /homeBut, from what I understand, this isn't the case with BTRFS?I know you have to create a separate /boot as grub doesn't support the file system.But, with BTRFS, we just create a / and /home and others would then just be subvolumes?What happens if I want to reinstall? I have liked being able to just wipe / and reinstall the OS, leaving my personal files in tact. Does this still happen if the /home is just a subvolume? Hopefully that makes sense
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May 7, 2011
I'm using a slack 13.37 version and this message is occuring during wine apps running:
preloader: Warning: failed to reserve range 00010000-00110000
Instead of being only a warning, I think it's breaking down and don't know exactly it's a wine or OS problem.
Googling point me a wine problem,
url
and another Ubuntu and Wine topics .
url
url
But I'm in a 32bits option ( no multilibs ), my wine, dependencies packages and procedures are the same installed before in 13.1 . Just system was changed! Anyone have any info on that sytem or wine problem?
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May 16, 2011
Okay, so I found a couple articles about the new BTRFS for Ubuntu that became available on 10.10, and I was wondering if some people could clear some stuff up for me. I am going to be upgrading my desktop box from 8.04 soon (I know,long time coming, but I had some hardware compatibility issues with recent releases that have been addressed on my end) I'm pretty new to a lot of these terms, so a detailed explanation would be awesome if you don't mind.
1 - Is this file system ready for the home user?
2 - Are there significant performance gains over ext4 and is it stable? If not now, will it be in the future?
3 - When a new subvolume is created, does that act like a partition? For instance, would a home folder in it's own subvolume act like home on a separate partition in the event of a reinstall or upgrade to the root filesystem? If not, what would be the specific advantages to using a subvolume?
4 - When creating a snapshot, is it bit for bit or a compressed image?
5 - Does compressing the root filesystem save a significant amount of disc space?
6 - Is there anything else that would be important to know about this filesystem?
If I have some things confused or misunderstood, it is because I am just starting to understand how some of the foundational stuff in my OS works
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