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> Linux Kernel 4.4.0, Experimental Kernel Build for Sharp Zaurus C3x00
greguu
post Oct 14 2016, 10:18 PM
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Hi Mark,

Linux kernel 4.8 was released on kernel.org on 3rd of October 2016.

I am working on a new kernel veriosn 4.8.1 for Sharp Zaurus C3x00 series at the moment.

There have been quite a few changes since 4.4.0 and as expected there are some issues.

Show stoppers at the moment are :

- fbdev legacy support not working (kernel boots, but blanks white on LCD screen)

Once I got a working release, a new thread will be opened and the release posted on github.

Cheers !

QUOTE(ArchiMark @ Oct 9 2016, 07:33 PM) *
Hi again,

Where is your new Kernel 4.8 located?

Thanks.
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ArchiMark
post Oct 15 2016, 08:40 AM
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OK, I get it now, Greg.....

Thanks for clarifying.....
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ArchiMark
post Oct 17 2016, 07:36 AM
Post #18





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Is it safe to do:

CODE
# pacman -Syu



and upgrade system?


I didn't actually do an upgrade, but when I started process, I got message:

CODE
Replace libdbus with core/dbus?



Don't want to do anything until I have an idea of whether it's safe to do so.


Thanks.

Mark

This post has been edited by ArchiMark: Oct 17 2016, 02:57 PM
Reason for edit: Added more info
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greguu
post Oct 18 2016, 12:13 PM
Post #19





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QUOTE(ArchiMark @ Oct 17 2016, 04:36 PM) *
Is it safe to do:

CODE
# pacman -Syu



and upgrade system?


I didn't actually do an upgrade, but when I started process, I got message:

CODE
Replace libdbus with core/dbus?



Don't want to do anything until I have an idea of whether it's safe to do so.


Thanks.

Mark


Hi Mark,

I have not done a recent pacman -Syu but will check later.

I doubt there are any issues. Keep in mind Arch is a rolling distribution and you will need to stay up to date.

If you are not sure, backup (tar) your rootfs to an SD card first.

Cheers!
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ArchiMark
post Oct 18 2016, 06:18 PM
Post #20





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QUOTE(greguu @ Oct 18 2016, 01:13 PM) *
QUOTE(ArchiMark @ Oct 17 2016, 04:36 PM) *
Is it safe to do:

CODE
# pacman -Syu



and upgrade system?


I didn't actually do an upgrade, but when I started process, I got message:

CODE
Replace libdbus with core/dbus?



Don't want to do anything until I have an idea of whether it's safe to do so.


Thanks.

Mark


Hi Mark,

I have not done a recent pacman -Syu but will check later.

I doubt there are any issues. Keep in mind Arch is a rolling distribution and you will need to stay up to date.

If you are not sure, backup (tar) your rootfs to an SD card first.

Cheers!


Hi Greg,

To backup rootfs, should I do:

CODE
# tar cpjf /rootfs.tar.bz2 -C /mnt/card .


Thanks.
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greguu
post Oct 20 2016, 11:21 AM
Post #21





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QUOTE(ArchiMark @ Oct 19 2016, 03:18 AM) *
QUOTE(greguu @ Oct 18 2016, 01:13 PM) *
QUOTE(ArchiMark @ Oct 17 2016, 04:36 PM) *
Is it safe to do:

CODE
# pacman -Syu



and upgrade system?


I didn't actually do an upgrade, but when I started process, I got message:

CODE
Replace libdbus with core/dbus?



Don't want to do anything until I have an idea of whether it's safe to do so.


Thanks.

Mark


Hi Mark,

I have not done a recent pacman -Syu but will check later.

I doubt there are any issues. Keep in mind Arch is a rolling distribution and you will need to stay up to date.

If you are not sure, backup (tar) your rootfs to an SD card first.

Cheers!


Hi Greg,

To backup rootfs, should I do:

CODE
# tar cpjf /rootfs.tar.bz2 -C /mnt/card .


Thanks.


Looks about right. I would just tar it and not compress with bz2 as this will take ages.
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ArchiMark
post Oct 20 2016, 12:15 PM
Post #22





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QUOTE(greguu @ Oct 20 2016, 12:21 PM) *
QUOTE(ArchiMark @ Oct 19 2016, 03:18 AM) *
QUOTE(greguu @ Oct 18 2016, 01:13 PM) *
QUOTE(ArchiMark @ Oct 17 2016, 04:36 PM) *
Is it safe to do:

CODE
# pacman -Syu



and upgrade system?


I didn't actually do an upgrade, but when I started process, I got message:

CODE
Replace libdbus with core/dbus?



Don't want to do anything until I have an idea of whether it's safe to do so.


Thanks.

Mark


Hi Mark,

I have not done a recent pacman -Syu but will check later.

I doubt there are any issues. Keep in mind Arch is a rolling distribution and you will need to stay up to date.

If you are not sure, backup (tar) your rootfs to an SD card first.

Cheers!


Hi Greg,

To backup rootfs, should I do:

CODE
# tar cpjf /rootfs.tar.bz2 -C /mnt/card .


Thanks.


Looks about right. I would just tar it and not compress with bz2 as this will take ages.


Thanks for the suggestion..........
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greguu
post Oct 25 2016, 01:22 AM
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Just as to give some feedback, my ALARM installation upgraded fine doing a pacman -Syu a few days ago and rebooted fine and all things run as they should using kernel 4.4.0.

After a successful pacman -Syu and confirming everything works after a reboot, just tar your root partition, to do a backup. This at least can give you back a working system if a pacman -Syu goes wrong.

I always have a backup system on a SD card and boot to that if needed. Currently 4.4.0 is working still fine under ArchLinuxARM, a new release will take some time as there are several changes in 4.8 that require some work.
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greguu
post Oct 26 2016, 10:33 PM
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Hi all,

just to let you know there has been an update for the 4.4.0 kernel release today.

See the opening post or go directly here: https://github.com/greguu/linux-4.4-cxx00/releases/tag/v0.7

This release fixed systemd startup errors because of missing seccomp support in the previous 4.4.0 release.

INSTRUCTIONS :

1. download https://github.com/greguu/linux-4.4-cxx00/r...x00-v0.7.tar.xz

2. extract and replace your current 4.4.0 kernel under /boot and replace all 4.4.0 modules under /lib/modules/

3. reboot

NOTE : the current roofs is outdated and does not contain this update. A new roofs tar ball will be released alongside a new kernel version later this year, hopefully.

If not sure how to upgrade just ask.

Cheers!
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ArchiMark
post Oct 27 2016, 08:47 PM
Post #25





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Thanks, Greg.....

Downloaded new kernel and copied over to my SD card.

Copied the .tar.xz file over to home/marks/Documents/kernel directory on Zaurus.

Extracted files into this directory and see:

CODE
$ ls -al
.config
4.4.0-cxx00
boot.cfg
firmware
zImage-4.4.0-cxx00



So, which files do I copy to where?

Thanks.
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greguu
post Oct 28 2016, 01:12 PM
Post #26





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QUOTE(ArchiMark @ Oct 28 2016, 05:47 AM) *
Thanks, Greg.....

Downloaded new kernel and copied over to my SD card.

Copied the .tar.xz file over to home/marks/Documents/kernel directory on Zaurus.

Extracted files into this directory and see:

CODE
$ ls -al
.config
4.4.0-cxx00
boot.cfg
firmware
zImage-4.4.0-cxx00



So, which files do I copy to where?

Thanks.


file zImage-4.4.0-cxx00 replaces file /boot/zImage-4.4.0-cxx00

folder 4.4.0-cxx00 replaces folder /lib/modules/4.4.0-cxx00
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ArchiMark
post Oct 28 2016, 09:26 PM
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Thanks....

Copied files over as instructed....

Now Zaurus freezes at the kexecboot screen.......

Does not matter which option I select....nothing happens.....

Oh well.................

rolleyes.gif
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greguu
post Oct 28 2016, 10:06 PM
Post #28





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QUOTE(ArchiMark @ Oct 29 2016, 06:26 AM) *
Thanks....

Copied files over as instructed....

Now Zaurus freezes at the kexecboot screen.......

Does not matter which option I select....nothing happens.....

Oh well.................

rolleyes.gif


Hm, something must went wrong.

You still have the SD card you installed ArchLinuxARM from ?

Enter the SD card, turn on the Z, choose the kernel from the SD card in Kexecboot (mmcblk0p1)

Boot up. Mount your CF drive and double check your /boot folder contains the right files.

You can join #alarmz on freenode. Happy to help.

Cheers!
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greguu
post Oct 28 2016, 10:54 PM
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Did you alter the boot.cfg file under /boot in any way ?

Do you have any other cards inserted ? SD card or CF card while booting to kexecboot ? Remove all and clean boot.
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ArchiMark
post Oct 29 2016, 09:59 AM
Post #30





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QUOTE(greguu @ Oct 28 2016, 11:06 PM) *
QUOTE(ArchiMark @ Oct 29 2016, 06:26 AM) *
Thanks....

Copied files over as instructed....

Now Zaurus freezes at the kexecboot screen.......

Does not matter which option I select....nothing happens.....

Oh well.................

rolleyes.gif


Hm, something must went wrong.

You still have the SD card you installed ArchLinuxARM from ?

Enter the SD card, turn on the Z, choose the kernel from the SD card in Kexecboot (mmcblk0p1)

Boot up. Mount your CF drive and double check your /boot folder contains the right files.

You can join #alarmz on freenode. Happy to help.

Cheers!


OK, will try.....thanks for the help...


QUOTE(greguu @ Oct 28 2016, 11:54 PM) *
Did you alter the boot.cfg file under /boot in any way ?

Do you have any other cards inserted ? SD card or CF card while booting to kexecboot ? Remove all and clean boot.


No, did not alter boot.cfg file, just copied it over....

Yes, have another SD card in slot....plus ethernet CF card....

Will try without....
Reason for edit: added info
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