Re: sshd and kernels > 2.6.8

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Author: Rudolfo Munguia
Date:  
To: plug-discuss
Subject: Re: sshd and kernels > 2.6.8
I believe that the build environment you have is not an issue.

Have you cross verified the use of devfs/udev between the 2 kernels?

If the dev for the controlling tty/pty is not available to 2.6.9 due
to it's using udev rather than devfs, then create the controlling
tty/pty via a udev alias.



On Tue, 4 Jan 2005 08:17:30 -0700, Nathan England <> wrote:
> On Tuesday 04 January 2005 00:30, der.hans wrote:
> > Am 03. Jan, 2005 schwätzte Nathan England so:
> > I can't remember, are you using stock kernels from the distro or compiling
> > them yourself? I think you've done a bit of the latter. You're using
> > debian, right?
> >
>
> I'm using slackware, this box is 10.0
>
> > Have you checked the bug tracking system for whatever distro you're using?
> > I presume you have, but don't remember you specifically mentioning it.
> >
> I have checked the limited resources for slackers, many seem to have the
> problem, but so far, lots of different fixes, none work for me! Typical...
> lol
>
> > Have you compared the kernel configs between the two kernels?
> >
>
> I used kompare to compare the differences, I love that program...
> There were only minor differences that I felt would make a difference, but I
> will probably begin investigating them soon.
>
> > I see debian packages for 2.6.7 and 2.6.8 on 686 turned off
> > CONFIG_CLEAN_COMPILE, whatever that is. Hmm, CONFIG_BROKEN was turned
> > on...
> >
> > Looks like lots of changes.
> >
> > Have you looked at the kernel changelog to see if anything obvious pops
> > up?
> >
>
> Nothing obvious to me. It's interesting that you said libc incompatibility,
> that was one of my first thoughts, but I have not seen anyone else say that
> in any of the sites I've read.
>
> > > I can't use man either. But in KDE I can use man:/whatever in Konq and it
> > > works out for now.
> >
> > That is strange.
> >
> > libc incompatability?
> >
> > > any other ideas I can try? The only difference is the kernel...
> >
> > And the initrd. Can you peel them apart and see if they have the same
> > modules? Maybe make a new initrd for 2.6.7 ( after backing up the current
> > one ) to see if new initrd tools installed after you installed 2.6.7 is
> > the cause.
> >
>
> I don't use an initrd. I never have. I compile most everything my laptop needs
> into the kernel, except pcmcia drivers and usb drivers and removeable stuff
> like that. If it's built in, I make it mono.
>
> Nathan
>
> > ciao,
> >
> > der.hans
> >
> > > Nathan
> > >
> > > On Monday 03 January 2005 00:22, der.hans wrote:
> > > > Am 29. Dec, 2004 schwätzte Nathan England so:
> > > >
> > > > moin, moin Nathan,
> > > >
> > > > did you get this resolved?
> > > >
> > > > ciao,
> > > >
> > > > der.hans
> > > >
> > > > > None of that worked. I can't ssh as root either. I get permission
> > > > > denied. The only option that works is if I ssh to someplace that
> > > > > already has my id_dsa.pub key.
> > > > >
> > > > > Otherwise, it's a no go.
> > > > >
> > > > > Thanks though!
> > > > >
> > > > > Nathan
> > > > >
> > > > > On Wednesday 29 December 2004 13:19, Kevin Geiss wrote:
> > > > > > it's probably a permissions error on /dev/tty
> > > > > >
> > > > > > the error sounded vaguely familiar to me, so I searched on the
> > > > > > gentoo forums.
> > > > > >
> > > > > > check out this thread:
> > > > > >
> > > > > > http://forums.gentoo.org/viewtopic.php?t=102463&highlight=sshaskpas
> > > > > >s
> > > > > >
> > > > > > hth
> > > > > >
> > > > > > On Dec 28, 2004, at 6:53 AM, Nathan England wrote:
> > > > > > > Anyone having trouble using sshd and any kernels over 2.6.7 ?
> > > > > > > I've read some discussion about it, but nothing so far helps my
> > > > > > > problem of not
> > > > > > > being able to connect to anything...
> > > > > > >
> > > > > > > I have a couple servers where I have my id_rsa.pub file included
> > > > > > > in the authorized keys and I can log in as normal, but when a
> > > > > > > password is required,
> > > > > > > it says:
> > > > > > >
> > > > > > > nathan@deadsoul:~$ ssh nathan@fallout
> > > > > > > ssh_askpass: exec(/usr/libexec/ssh-askpass): No such file or
> > > > > > > directory Permission denied, please try again.
> > > > > > > ssh_askpass: exec(/usr/libexec/ssh-askpass): No such file or
> > > > > > > directory Permission denied, please try again.
> > > > > > > ssh_askpass: exec(/usr/libexec/ssh-askpass): No such file or
> > > > > > > directory Permission denied
> > > > > > > (publickey,password,keyboard-interactive).
> > > > > > >
> > > > > > >
> > > > > > > But under kernel 2.6.7 it works fine.
> > > > > > > Also, when I try to start sshd under 2.6.10 it says it can't find
> > > > > > > the file /etc/ssh/sshd_config
> > > > > > > which doesn't exist, but under 2.6.7 it works okay, not asking
> > > > > > > for the file.
> > > > > > >
> > > > > > > I've tried upgraded packages, I've tried removing the slack pack
> > > > > > > and installing from source... nothing seems to work. Only going
> > > > > > > backwards in the
> > > > > > > kernel tree...
> > > > > > >
> > > > > > > Any ideas?
> > > > > > >
> > > > > > > Nathan
> > > > > > > ---------------------------------------------------
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> > > > > >
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