BTRFS file system

AmigaOne X1000 platform specific issues related to Linux only.

BTRFS file system

Postby xeno74 » Tue Aug 25, 2015 1:33 am

Srtest wrote:Thank you for the wishes and of course also to Xeno who responded so quicklly and made me a surprise.

Unfortunatlly... This is what I get when trying to boot the latest Lubuntu on a BTRFS partition, positioned on a SSD with amiga partition table.

When trying to boot a regular EXT4 with the latest Lubuntu, enabling of the "sysv-fs" option on the kernel level didn't seem to effect the issues with SYSTEMD-SYSV.

Perhaps enabling all of the BTRFS options on the kernel level will help boot it?

Shy.


Srtest wrote:Here is Lubuntu developmental on kernel RC8 on a ext4 partition.

A question about the kernel panic issues with a btrfs partition - do you think this procedure can be used on the X1000?
https://youtu.be/L7jIAvs5bFU


Ernsteiswuerfel has found a solution because of the btrfs issues today.

ernsteiswuerfel wrote:I did some more research and finally found the correct parameter to boot into a btrfs /. :-)

Code: Select all
image=/vmlinux
label=Linux
read-only
root=/dev/sda7
initrd=/initrd.img
append="rootflags=subvol=@ radeon.agpmode=-1"


Running btrfs without issues so far, I even turned lzo filesystem compression on. AFAIK many issues with btrfs have been resolved with kernel > 4.0 and btrfs-progs > 4.0 (https://btrfs.wiki.kernel.org/index.php/Main_Page#News).

It would be convenient if the yaboot installer-script from the ISO checks if btrfs is used as root-filesystem and adds

Code: Select all
append="rootflags=subvol=@"


to /etc/yaboot.conf automatically.


Link: ubuntuforums.org

Srtest, could you add rootflags=subvol=@ to the boot arguments, please?
http://www.amigalinux.org
http://www.supertuxkart-amiga.de

Running Linux on AmigaONEs can require some tinkering.
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xeno74
 
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Re: BTRFS file system

Postby Srtest » Wed Sep 16, 2015 12:53 am

xeno74 wrote:
Srtest wrote:Thank you for the wishes and of course also to Xeno who responded so quicklly and made me a surprise.

Unfortunatlly... This is what I get when trying to boot the latest Lubuntu on a BTRFS partition, positioned on a SSD with amiga partition table.

When trying to boot a regular EXT4 with the latest Lubuntu, enabling of the "sysv-fs" option on the kernel level didn't seem to effect the issues with SYSTEMD-SYSV.

Perhaps enabling all of the BTRFS options on the kernel level will help boot it?

Shy.


Srtest wrote:Here is Lubuntu developmental on kernel RC8 on a ext4 partition.

A question about the kernel panic issues with a btrfs partition - do you think this procedure can be used on the X1000?
https://youtu.be/L7jIAvs5bFU


Ernsteiswuerfel has found a solution because of the btrfs issues today.

ernsteiswuerfel wrote:I did some more research and finally found the correct parameter to boot into a btrfs /. :-)

Code: Select all
image=/vmlinux
label=Linux
read-only
root=/dev/sda7
initrd=/initrd.img
append="rootflags=subvol=@ radeon.agpmode=-1"


Running btrfs without issues so far, I even turned lzo filesystem compression on. AFAIK many issues with btrfs have been resolved with kernel > 4.0 and btrfs-progs > 4.0 (https://btrfs.wiki.kernel.org/index.php/Main_Page#News).

It would be convenient if the yaboot installer-script from the ISO checks if btrfs is used as root-filesystem and adds

Code: Select all
append="rootflags=subvol=@"


to /etc/yaboot.conf automatically.


Link: ubuntuforums.org

Srtest, could you add rootflags=subvol=@ to the boot arguments, please?


Do you mean add it to the CFE boot command? If so I will do it the next time I go through a new installation. I had so much ups and downs with various installations I give the current one credit until it fails me somehow... well if I can be serious for a moment I really see no reason to change anything fundamental right now besides testing stuff that doesn't require me to start all over again. Perhaps with the next BIG release. 10x anyway.
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Re: BTRFS file system

Postby xeno74 » Wed Sep 16, 2015 1:52 pm

Srtest wrote:Do you mean add it to the CFE boot command?


Yes, I do.
http://www.amigalinux.org
http://www.supertuxkart-amiga.de

Running Linux on AmigaONEs can require some tinkering.
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xeno74
 
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Joined: Fri Mar 23, 2012 8:58 am

Re: BTRFS file system

Postby Srtest » Wed Dec 23, 2015 11:03 pm

Works! Installed a new LXQt desktop on a BTRFS with "rootflags=subvol=@" and it boots fine. 2 warnings: 1. It doesn't like the "rw" value. 2. I can't recommend it yet - it works, the system operated quite good while there are some... markings that not everything is 100% stable. This is not a driver or kernel as a filesystem takes longer to evaluate.
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