Re: can't boot livedvd64_SL54_2009-11-20.iso

2010-03-22 Thread Urs Beyerle
Hi Stephen,

Stephen Isard wrote:
 On Wed, 17 Mar 2010 16:11:47 -0500, Stephen Isard 7p03xy...@sneakemail.c
 OM
 wrote:
 
 On Wed, 17 Mar 2010 20:23:12 +0100, Urs Beyerle urs.beye...@env.ethz.ch

 wrote:

 Try to boot with boot parameter norhgb//

 linux norhgb

 norhgb turns graphical bootup off.

 If this help I should add norhgb to the failsafe option in the next
 LiveCD release.
 Thanks, Urs.  Booting with norhgb didn't change anything, but then I tri
 e
 d
 nox and that got me a console session.  After I logged in as sluser, I
  
 was able to start an X session with startx and everything seemed norma
 l
 except that the time was off by 4 hours (ntpd wasn't running).
 
 Hi Urs,
 
 Is it possible that the reason norhgb has no effect is the line in
 /etc/rc.sysinit that begins if strstr $cmdline rhgb amp; .  rhg
 b won't get
 invoked if the command line doesn't mention rhbg at all, but since
 rhgb is a substring of norhgb ...
 
 My problem seems to be that an xorg.conf that works for my hardware doesn
 't
 get configured until your runlast script, and whatever default configurat
 ion
 there is at the beginning causes a crash if rhgb is allowed to run.


I think you are right. In fact, because rhgb is already in $cmdline per 
default, and linux norhgb only adds norhgb
to $cmdline, rhgb still matches $cmdline.

Therefore norhgb as no effect. As you already mentioned, only linux nox and 
a manual startx is working. :-(

To avoid this problem in future releases of the SL LiveCDs, I see three 
possibilities:

1. remove rhgb from the default boot options - no graphical bootup per 
default.
2. make norhgb working - /etc/rc.sysinit has to be modified.
3. (at least) remove rhgb from failsafe bootup options.

or just leave it like it is.

Anybody has an opinion on that?


Cheers,

Urs


Re: can't boot livedvd64_SL54_2009-11-20.iso

2010-03-22 Thread Stephen Isard
On Mon, 22 Mar 2010 12:31:12 +0100, Urs Beyerle urs.beye...@env.ethz.ch
 wrote:

Therefore norhgb as no effect. As you already mentioned, only linux n
ox
and a manual startx is working. :-(

To avoid this problem in future releases of the SL LiveCDs, I see three
possibilities:

1. remove rhgb from the default boot options - no graphical bootup per

default.
2. make norhgb working - /etc/rc.sysinit has to be modified.
3. (at least) remove rhgb from failsafe bootup options.

or just leave it like it is.

Anybody has an opinion on that?

Is it out of the question to configure X before rhgb starts?  For my case
 at
least, the problem isn't that SL can't figure out how to run X on my
hardware, just that it doesn't do so early enough.

What would be the consequences of turning off rhgb?   Would it stop gdm f
rom
running and force all users to type 'startx' after logging in if they wan
t
an X session?  Or does rhgb just hide the details of the boot process?  I
f
the second, then I personally would be happy with your option 1.

Btw, what is the 'nox' option supposed to do?  It evidently doesn't stop 
X
from being configured.  Does it really just mean 'no graphical login'?  I
t
doesn't get consulted in /etc/rc.sysinit.  Where does it have its effect?



Re: can't boot livedvd64_SL54_2009-11-20.iso

2010-03-22 Thread Urs Beyerle
Stephen Isard wrote:
 1. remove rhgb from the default boot options - no graphical bootup per
 default.
 2. make norhgb working - /etc/rc.sysinit has to be modified.
 3. (at least) remove rhgb from failsafe bootup options.

 or just leave it like it is.

 Anybody has an opinion on that?
 
 Is it out of the question to configure X before rhgb starts?  For my case at
 least, the problem isn't that SL can't figure out how to run X on my
 hardware, just that it doesn't do so early enough.


As far as I know rhgb (= redhat graphical boot) starts a temporary X server, 
which has its own configuration.
So I guess that in your case just rhgb fails to configure its own X server.

See /usr/share/doc/rhgb-0.16.4/HOW_IT_WORKS


 What would be the consequences of turning off rhgb?   Would it stop gdm from
 running and force all users to type 'startx' after logging in if they want
 an X session?  Or does rhgb just hide the details of the boot process?  If
 the second, then I personally would be happy with your option 1.

It's the second.
So, I have already two votes for 1.


 
 Btw, what is the 'nox' option supposed to do?  It evidently doesn't stop X
 from being configured.  Does it really just mean 'no graphical login'?  It
 doesn't get consulted in /etc/rc.sysinit.  Where does it have its effect?

nox only sets the default runlevel to 3. The X server is still configured.
Having runlevel=3, rhgb does not start up (see 
/usr/share/doc/rhgb-0.16.4/HOW_IT_WORKS)


Re: can't boot livedvd64_SL54_2009-11-20.iso

2010-03-22 Thread Alan Bartlett
On 22 March 2010 14:39, Urs Beyerle urs.beye...@env.ethz.ch wrote:
 Stephen Isard wrote:
 1. remove rhgb from the default boot options - no graphical bootup per
 default.
 2. make norhgb working - /etc/rc.sysinit has to be modified.
 3. (at least) remove rhgb from failsafe bootup options.

 or just leave it like it is.

 Anybody has an opinion on that?

+1 to option 1. :-)

Alan.


Re: can't boot livedvd64_SL54_2009-11-20.iso

2010-03-22 Thread Mark Stodola

Alan Bartlett wrote:

On 22 March 2010 14:39, Urs Beyerle urs.beye...@env.ethz.ch wrote:
  

Stephen Isard wrote:


1. remove rhgb from the default boot options - no graphical bootup per
default.
2. make norhgb working - /etc/rc.sysinit has to be modified.
3. (at least) remove rhgb from failsafe bootup options.

or just leave it like it is.

Anybody has an opinion on that?



+1 to option 1. :-)

Alan.
  
Although I don't use Urs' livecd (I do build my own using his scripts), 
I'd have to lean toward 1 or 3.  I know for a fact that rhgb can cause 
problems if using the ati fglrx module as well.  To me, 'failsafe' 
should mean no fancy options or actions during boot.


-Mark

--
Mr. Mark V. Stodola
Digital Systems Engineer

National Electrostatics Corp.
P.O. Box 620310
Middleton, WI 53562-0310 USA
Phone: (608) 831-7600
Fax: (608) 831-9591


Re: nox - [was can't boot livedvd64_SL54_2009-11-20.iso]

2010-03-22 Thread Stephen Isard
On Mon, 22 Mar 2010 15:39:47 +0100, Urs Beyerle urs.beye...@env.ethz.ch
 wrote:

nox only sets the default runlevel to 3. The X server is still configu
red.
Having runlevel=3, rhgb does not start up (see
/usr/share/doc/rhgb-0.16.4/HOW_IT_WORKS)

Just for my general education, do you know what program interprets the 'n
ox'
parameter and sets the runlevel?  As I understand it, init usually gets t
he
runlevel from /etc/inittab, so nox must somehow be overriding that.  I've

run strings on the init and grub binaries and grepped the output for nox,

but not come up with anything.  HOW_IT_WORKS doesn't mention nox either.


Re: nox - [was can't boot livedvd64_SL54_2009-11-20.iso]

2010-03-22 Thread Urs Beyerle
On 03/22/2010 07:47 PM, Stephen Isard wrote:
 On Mon, 22 Mar 2010 15:39:47 +0100, Urs Beyerle urs.beye...@env.ethz.ch
  wrote:

 nox only sets the default runlevel to 3. The X server is still configu
 red.
 Having runlevel=3, rhgb does not start up (see
 /usr/share/doc/rhgb-0.16.4/HOW_IT_WORKS)

 Just for my general education, do you know what program interprets the 'n
 ox'
 parameter and sets the runlevel?  As I understand it, init usually gets t
 he
 runlevel from /etc/inittab, so nox must somehow be overriding that.  I've

 run strings on the init and grub binaries and grepped the output for nox,

 but not come up with anything.  HOW_IT_WORKS doesn't mention nox either.

The nox parameter is my invention ;-) It only works with the SL LiveCD.

If you specify nox, /etc/inittab is modified at the very beginning of
the LiveCD bootup process (before chroot to the SL filesystem, inside
the linuxrc of the initial ram disk).
Search for nox in the script linuxrc:
https://svn.iac.ethz.ch/pub/livecd/trunk/linux-live.sl/initrd/linuxrc

Cheers,

Urs


 


Re: can't boot livedvd64_SL54_2009-11-20.iso

2010-03-18 Thread Stephen Isard
On Wed, 17 Mar 2010 16:11:47 -0500, Stephen Isard 7p03xy...@sneakemail.c
OM
wrote:

On Wed, 17 Mar 2010 20:23:12 +0100, Urs Beyerle urs.beye...@env.ethz.ch

 wrote:

Try to boot with boot parameter norhgb//

linux norhgb

norhgb turns graphical bootup off.

If this help I should add norhgb to the failsafe option in the next
LiveCD release.

Thanks, Urs.  Booting with norhgb didn't change anything, but then I tri
e
d
nox and that got me a console session.  After I logged in as sluser, I
 

was able to start an X session with startx and everything seemed norma
l

except that the time was off by 4 hours (ntpd wasn't running).

Hi Urs,

Is it possible that the reason norhgb has no effect is the line in
/etc/rc.sysinit that begins if strstr $cmdline rhgb amp; .  rhg
b won't get
invoked if the command line doesn't mention rhbg at all, but since
rhgb is a substring of norhgb ...

My problem seems to be that an xorg.conf that works for my hardware doesn
't
get configured until your runlast script, and whatever default configurat
ion
there is at the beginning causes a crash if rhgb is allowed to run.


can't boot livedvd64_SL54_2009-11-20.iso

2010-03-17 Thread Stephen Isard
Machine is a Compaq dx5150 64 bit desktop with 3Gb of memory.  It has bee
n
having no problems with 64 bit SL5.3.  Before upgrading to SL5.4, I thoug
ht
I'd be cautious and try out the live dvd, but it won't boot.  Even if I t
ry
failsafe, the boot sequence prints the ok after starting udev and the
n
the screen goes blank and never comes back again.

I have no other reason to suspect the machine itself.  The only time I ne
ed
to reboot is for new kernels or drivers.  I tried the memtest program on 
the
dvd and it didn't report any problems.

Md5sum gives the right answer for the dvd containing the iso image.  I
downloaded and burned it again just in case, but it didn't make any diffe
rence.

The dvd drive is ok as far as I can tell.  I'm able to boot and run from 
an
old Knoppix dvd.

Any suggestions for what to try?

Thanks


Re: can't boot livedvd64_SL54_2009-11-20.iso

2010-03-17 Thread Urs Beyerle
Hi Stephen,

Try to boot with boot parameter norhgb//

linux norhgb

norhgb turns graphical bootup off.

If this help I should add norhgb to the failsafe option in the next
LiveCD release.


Cheers,

Urs



On 03/17/2010 07:37 PM, Stephen Isard wrote:
 Machine is a Compaq dx5150 64 bit desktop with 3Gb of memory.  It has bee
 n
 having no problems with 64 bit SL5.3.  Before upgrading to SL5.4, I thoug
 ht
 I'd be cautious and try out the live dvd, but it won't boot.  Even if I t
 ry
 failsafe, the boot sequence prints the ok after starting udev and the
 n
 the screen goes blank and never comes back again.

 I have no other reason to suspect the machine itself.  The only time I ne
 ed
 to reboot is for new kernels or drivers.  I tried the memtest program on 
 the
 dvd and it didn't report any problems.

 Md5sum gives the right answer for the dvd containing the iso image.  I
 downloaded and burned it again just in case, but it didn't make any diffe
 rence.

 The dvd drive is ok as far as I can tell.  I'm able to boot and run from 
 an
 old Knoppix dvd.

 Any suggestions for what to try?

 Thanks


Re: can't boot livedvd64_SL54_2009-11-20.iso

2010-03-17 Thread Stephen Isard
On Wed, 17 Mar 2010 20:23:12 +0100, Urs Beyerle urs.beye...@env.ethz.ch
 wrote:

Try to boot with boot parameter norhgb//

linux norhgb

norhgb turns graphical bootup off.

If this help I should add norhgb to the failsafe option in the next
LiveCD release.

Thanks, Urs.  Booting with norhgb didn't change anything, but then I trie
d
nox and that got me a console session.  After I logged in as sluser, I 

was able to start an X session with startx and everything seemed normal

except that the time was off by 4 hours (ntpd wasn't running).

This machine has a Radeon X1300 card - actually I think it's on the
motherboard - and I've been using version 8.36 of the linux driver from t
he
Radeon website, with fglrx as the driver in my xorg.conf file.