Re: [uml-devel] Re: 2.6.4 UML kernel available

Re: [uml-devel] Re: 2.6.4 UML kernel available

[gboutwel]

> On Tue, 16 Mar 2004, Mike Snitzer wrote:



> > So Debian's init tries to spawn a getty on each and fails.
 I'm not using

> > devfs or anything; again the same debian testing FS works
great with a

> > 2.4.24 UML.



> Are you sure it is not a problem with the version of getty
used?



> Can you boot in singleuser mode?



> Do you get the console output while the system is booting?



It was determined that this is caused by the new thread system
in the new glibc (which is in Debian testing & Debain unstable,
but not in Dabin stable).  If you experience this problem the
easiest solution is to local-loopback the filesystem, go to it's
/lib/tls directory and move it.  Doing that solves the problem.



George



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[uml-devel] 2.6.4 UML kernel available

[William Stearns]

Good day, all,
	First - many thanks to Jeff and all the other kernel/uml hackers 
for all their work!

	I've put up a 2.6.4 UML kernel at http://www.stearns.org/uml/ .  
With the exception of the missing system call needed to run rh9+, I'm not 
aware of any kernel issues with this kernel *.  17 of the 29 Zaphod vm's 
are running it successfully.  Latency on the game server dropped from 
90-110ms down to 45-75 ms with nothing more than a kernel upgrade to 2.6.
	This one's highly recommended.
	Cheers,
	- Bill

* I'm having trouble finding the right command line to get Debian 3.0's 
init to hook up to the console devices, but that's most certainly my 
problem, and not the kernel's.

---------------------------------------------------------------------------
	"Nynex.  Iroquois for Moron"
	-- A well-known Linux kernel hacker.
--------------------------------------------------------------------------
William Stearns (wstearns@pobox.com).  Mason, Buildkernel, freedups, p0f,
rsync-backup, ssh-keyinstall, dns-check, more at:   http://www.stearns.org
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[uml-devel] Re: 2.6.4 UML kernel available

[Mike Snitzer]

On Fri, Mar 12 2004 at 00:27,
William Stearns <wstearns@pobox.com> wrote:

> * I'm having trouble finding the right command line to get Debian 3.0's 
> init to hook up to the console devices, but that's most certainly my 
> problem, and not the kernel's.

Has anyone had any luck tracking down a solution to Debian's init and
2.6.4 (and I think 2.6.3) UML?  I'm having the same problem.

regards,
Mike




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[uml-devel] Re: 2.6.4 UML kernel available

[Mike Snitzer]

On Tue, Mar 16 2004 at 15:17,
Mike Snitzer <msnitzer@lnxi.com> wrote:

> On Fri, Mar 12 2004 at 00:27,
> William Stearns <wstearns@pobox.com> wrote:
> 
> > * I'm having trouble finding the right command line to get Debian 3.0's 
> > init to hook up to the console devices, but that's most certainly my 
> > problem, and not the kernel's.
> 
> Has anyone had any luck tracking down a solution to Debian's init and
> 2.6.4 (and I think 2.6.3) UML?  I'm having the same problem.

FYI, talking with others in #uml it seems that this is a problem specific
to Debian testing's init.  Others have been able to boot a Debian stable
image using 2.6.x; but can't do so with a Debian testing image.

Any insight/solutions to this would be very welcome.

Mike


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[uml-devel] Re: 2.6.4 UML kernel available

[William Stearns]

Good afternoon, Mike,

On Tue, 16 Mar 2004, Mike Snitzer wrote:

> On Tue, Mar 16 2004 at 15:17,
> Mike Snitzer <msnitzer@lnxi.com> wrote:
> 
> > On Fri, Mar 12 2004 at 00:27,
> > William Stearns <wstearns@pobox.com> wrote:
> > 
> > > * I'm having trouble finding the right command line to get Debian 3.0's 
> > > init to hook up to the console devices, but that's most certainly my 
> > > problem, and not the kernel's.
> > 
> > Has anyone had any luck tracking down a solution to Debian's init and
> > 2.6.4 (and I think 2.6.3) UML?  I'm having the same problem.
> 
> FYI, talking with others in #uml it seems that this is a problem specific
> to Debian testing's init.  Others have been able to boot a Debian stable
> image using 2.6.x; but can't do so with a Debian testing image.
> 
> Any insight/solutions to this would be very welcome.

	What's changed between the init in stable and the init in testing?  
Does Debian provide a changelog for the package?  In particular, any 
references to tty handling?
	Also, how could one _downgrade_ to the init in stable inside a
Debian virtual machine?
	Cheers,
	- Bill

---------------------------------------------------------------------------
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(Courtesy of Theo Van Dinter <felicity@kluge.net>)
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Re: [uml-devel] Re: 2.6.4 UML kernel available

[roland]

could you post the contents of your inittab ?
maybe it makes sense to compare your inittab with "ours" (i.e. people successfully booting 2.6.4)
i can boot 2.6.4 with my suse9 rootfs
regards
roland


----- Original Message ----- 
From: "Mike Snitzer" <msnitzer@lnxi.com>
To: "William Stearns" <wstearns@pobox.com>
Cc: "ML-uml-user" <User-mode-linux-user@lists.sourceforge.net>; "ML-uml-devel" <user-mode-linux-devel@lists.sourceforge.net>
Sent: Tuesday, March 16, 2004 11:17 PM
Subject: [uml-devel] Re: 2.6.4 UML kernel available


> On Fri, Mar 12 2004 at 00:27,
> William Stearns <wstearns@pobox.com> wrote:
> 
> > * I'm having trouble finding the right command line to get Debian 3.0's 
> > init to hook up to the console devices, but that's most certainly my 
> > problem, and not the kernel's.
> 
> Has anyone had any luck tracking down a solution to Debian's init and
> 2.6.4 (and I think 2.6.3) UML?  I'm having the same problem.
> 
> regards,
> Mike
> 
> 
> 
> 
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> 


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[uml-devel] Re: 2.6.4 UML kernel available

[Mike Snitzer]

On Tue, Mar 16 2004 at 18:03,
roland <for_spam@gmx.de> wrote:

> could you post the contents of your inittab ?
> maybe it makes sense to compare your inittab with "ours" (i.e. people successfully booting 2.6.4)
> i can boot 2.6.4 with my suse9 rootfs
> regards
> roland

Sure, but like I posted in a previous mail; this appears to be an issue
with Debian testing's init:

...
1:2345:respawn:/sbin/getty 38400 tty1
2:23:respawn:/sbin/getty 38400 tty2
3:23:respawn:/sbin/getty 38400 tty3
#4:23:respawn:/sbin/getty 38400 tty4
#5:23:respawn:/sbin/getty 38400 tty5
#6:23:respawn:/sbin/getty 38400 tty6
...

So Debian's init tries to spawn a getty on each and fails.  I'm not using
devfs or anything; again the same debian testing FS works great with a
2.4.24 UML.

Mike


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Re: [uml-devel] Re: 2.6.4 UML kernel available

[Henrik Nordstrom]

On Tue, 16 Mar 2004, Mike Snitzer wrote:

> So Debian's init tries to spawn a getty on each and fails.  I'm not using
> devfs or anything; again the same debian testing FS works great with a
> 2.4.24 UML.

Are you sure it is not a problem with the version of getty used?

Can you boot in singleuser mode?

Do you get the console output while the system is booting?

Regards
Henrik



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