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 Forum index » House Training » Users ( For the regulars )
Kernel 2.6.27 and squashfs 3.4 patch problem [solved]
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raffy

Joined: 25 May 2005
Posts: 4774
Location: Manila

PostPosted: Mon 03 Nov 2008, 21:20    Post subject: longtime supported kernel  

Related info: "Linux 2.6.27 will be a longtime supported kernel"
http://kerneltrap.org/mailarchive/linux-kernel/2008/10/15/3661414/thread

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MU


Joined: 24 Aug 2005
Posts: 13642
Location: Karlsruhe, Germany

PostPosted: Thu 06 Nov 2008, 19:49    Post subject:  

it seems that the second modification of loop.c mentioned in my previous message fixed the crashes that I encountered with 255 loops.

I use Muppy 0084 with this new kernel based on the fixed code, now compiled in Muppy itself, and have no more crashes.
Tested that on 2 computers, they ran hours now.

Sidenote:
if you want to use the Standard-Puppy to use more SFS files, read this thread:
http://www.murga-linux.com/puppy/viewtopic.php?t=35266

It describes a method, where you need no recompiled Kernel, and also provides the required patched initrd.gz.

Mark

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Béèm


Joined: 21 Nov 2006
Posts: 11782
Location: Brussels IBM Thinkpad R40, 256MB, 20GB, WiFi ipw2100. Frugal Lin'N'Win

PostPosted: Thu 06 Nov 2008, 20:04    Post subject:  

Mark,
I had a pleasant surprise when I tried again puppy on my Medion MD8818 PC which has a VIA controller (5287 or 8287, can't remember) and the sata drives supported in IDE mode. For a long time this wasn't supported, even in other distro's, but in puppy 4.1.1 it is now.

Would this support have been added by Barry on purpose or is it in the available source?

Would this support be in the 2.6.27 also then?

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MU


Joined: 24 Aug 2005
Posts: 13642
Location: Karlsruhe, Germany

PostPosted: Thu 06 Nov 2008, 20:38    Post subject:  

I have no idea.
But there is a good chance.
I think the whole sata stuff or harddisk related issues were completely rewritten for the new kernels.
E.g. now all drives have the device "sd", no longer "hd" (hda1, hda2 ... ).

So it is possible, that this support is due to this new architechture.
This is one reason, whyI wanted to use a newer kernel in the next Muppy.

Mark

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Béèm


Joined: 21 Nov 2006
Posts: 11782
Location: Brussels IBM Thinkpad R40, 256MB, 20GB, WiFi ipw2100. Frugal Lin'N'Win

PostPosted: Thu 06 Nov 2008, 20:48    Post subject:  

In spite of what you have written, you'll bring out a next Muppy?
Then I'd like to test it on this Medion PC, as there is still a problem.
The MD8818 has an external bay in which an external HDD can be plugged on e-sata. With puppy 4.1.1 this second HDD isn't seen.

Any time frame?

BTW, I applied the 20 sfs files initrd.gz.. Nice work.

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MU


Joined: 24 Aug 2005
Posts: 13642
Location: Karlsruhe, Germany

PostPosted: Thu 06 Nov 2008, 20:56    Post subject:  

I think I'll release one under a different name, with this new Kernel.
So that the work from the last weeks is not completely lost.
My focus however will be, to support smaller changes or addons for Puppy itself, as such a big project like Muppy would require full time support.
This is just possible, if you have a company, that pays the time.

I cannot promise yet, when I'll upload that version, it might take two weeks or so.
But it is seems to work fine so far, so maybe a week.

Mark

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Béèm


Joined: 21 Nov 2006
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PostPosted: Thu 06 Nov 2008, 21:10    Post subject:  

OK Mark, there is no hurry for me.
Prend d'abord du repos.
Bernard

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wow

Joined: 29 Jun 2006
Posts: 988
Location: Peru

PostPosted: Mon 10 Nov 2008, 22:38    Post subject:  

Hello everyone,

I compiled kernel 2.6.27.5 with aufs, squashfs-lzma, unionfs (unionfs-2.5_for_2.6.27-rc6.diff.gz) in puppy-4.1.1 (full) everything works fine in the installed system. Then I made an ISO but it hangs after "setting up the layered fs" with both aufs or unionfs. Is anyone testing this kernel?

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technosaurus


Joined: 18 May 2008
Posts: 4353

PostPosted: Tue 11 Nov 2008, 01:33    Post subject:  

wow wrote:
Hello everyone,

I compiled kernel 2.6.27.5 with aufs, squashfs-lzma, unionfs (unionfs-2.5_for_2.6.27-rc6.diff.gz) ...


You shouldn't need the unionfs patch any more as it is already supported
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wow

Joined: 29 Jun 2006
Posts: 988
Location: Peru

PostPosted: Tue 11 Nov 2008, 11:56    Post subject:  

This problem has been reported in Slax's forum and other distros forums and bugtrackers.

Quote:
You shouldn't need the unionfs patch any more as it is already supported

I haven't found any reference to unionfs in k2.6.27.5's source code. Well, I'll try again without it and with other unionfs patches for 2.6.27.x maybe, I supose that the initrd.gz/init file must be edited too.

I've also tried 2.6.27.4, but squashfs crashes as soon as "mount" tries to mount a .sfs file.

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amigo

Joined: 02 Apr 2007
Posts: 2257

PostPosted: Tue 11 Nov 2008, 12:36    Post subject:  

The config options for unionfs are under 'stackable file systems' in the standard kernel.
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MU


Joined: 24 Aug 2005
Posts: 13642
Location: Karlsruhe, Germany

PostPosted: Tue 11 Nov 2008, 12:58    Post subject:  

you need to replace the modules in initrd.gz with those, that you compiled yourself.
You also need to adjust the path
/lib/modules/2.6.xxx

And rename accordingly the files in /etc/modules/ to match the kernelversion.
I described the required steps above, if you need more help (e.g. how to uncompress initrd.gz), let me know.
Mark

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wow

Joined: 29 Jun 2006
Posts: 988
Location: Peru

PostPosted: Tue 11 Nov 2008, 13:31    Post subject:  

@amigo: Ok amigo I'll check that ASAP.

@MU: I've done it manually too the first time.

Oh, forgot to say that I'm using puppy-unleashed to build a new initrd.gz, pup_411.sfs and all other files.

I've learned too much from all the people involved in this post and Kirk's instructions to install a new kernel with a frugal install. Thank you very much.

I want to upgrade the OS installed in my USB Flash Drive (puppy-2.17.1 lzma) to the latest Puppy with some changes (kernel: SMP, default nls=utf8, codepage=850, more joysticks drivers and ForceFeedback enabled, UBI, arch=i686, etc; Desktop Environment: the latest LXDE; Xorg-7.4 with MPX and Input Redirection; Compiz Fusion with Input Redirection and protobuff; udev; hal; dbus; the latest GTK+) and maybe that multi .sfs loading.

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Béèm


Joined: 21 Nov 2006
Posts: 11782
Location: Brussels IBM Thinkpad R40, 256MB, 20GB, WiFi ipw2100. Frugal Lin'N'Win

PostPosted: Tue 11 Nov 2008, 17:06    Post subject:  

@wow ( a little off track)
Do you still work on gnome?

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wow

Joined: 29 Jun 2006
Posts: 988
Location: Peru

PostPosted: Tue 11 Nov 2008, 21:44    Post subject:  

@Béèm: Are you asking for an improved SFS? No, 'cause I don't have the time nor the knowledge to do it better, sorry. But I'm still using it with puppy-396 (reason: SMP)

Quote:
You shouldn't need the unionfs patch any more as it is already supported

Quote:
The config options for unionfs are under 'stackable file systems' in the standard kernel.

Nope, there is no unionfs in
http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.27.5.tar.bz2 (2008-11-07 18:07 UTC)

Now back to the story, I compiled the same version than MU, 2.6.27. This time without the unionfs and lzma(for squashfs) patches, it takes 20 minutes with an AMD Athlon 64 X2 4400, I edited the initrd.gz>init file to use aufs by default, made a new pup_411.sfs and boot it. It is working now. I'll try to compile 2.6.27.5 again with the same steps described by MU.

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