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SubjectRe: 2.6.15-rt16
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On Wed, 2006-02-01 at 16:36 -0600, Clark Williams wrote:
> On Wed, 2006-02-01 at 17:16 -0500, Steven Rostedt wrote:
> >
> > No, but I don't use an initrd, so my failure was first that it couldn't
> > recognize my harddrives. So I compiled in the necessary drivers into my
> > kernel, and it booted right up to the GDM login. I logged in, and was
> > going to reply to you, but I guess I have a different network card since
> > I had no network.
> >
>
> Ok, I took the config file I sent you, globally substituted '=y' for
> '=m' and rebuilt, then booted that kernel. Other than a message that it
> was unable to open the console (udev wasn't started) I got the exact
> same failure (same panic backtrace).

Thanks for the clarification.

>
> > >
> > > I'm fairly certain that the initrd contains the appropriate modules,
> > > since I regenerate the initrd each time I generate a new kernel, but
> > > I'll go back and verify.
> > >
> > > I'll also convert modules to compiled in and see if that makes a
> > > difference.
> >
> > Thanks, I've been burnt before with incompatible modules in initrd, that
> > I now only use compiled in modules that are needed to boot (ide, ext3,
> > etc). When compiling 3 different kernels with several different configs
> > constantly for the same machine, it just becomes easier to not use an
> > initrd.
>
> One of the things I wanted to see was how the -rt patch worked with
> SELinux, so I decided to try and run a kernel that looked like a distro
> kernel (in this case FC4). I just put together some scripting logic to
> build the kernel and module tree three times (athlon64, p3smp, and
> duron). After I've rebuilt, I install on each target system using a
> shell script that deletes the old module tree, rsyncs a new one,
> installs the matching kernel and builds a new initrd.
>
> Hmmm, FC4 is based on 2.6.14.x. Did something change in the 2.6.15
> series that needs a user-space change as well? (I'm running a current
> FC4 rootfs).

But, didn't you say that if you turn off LATENCY_TRACING that the -rt
patched kernel boots?

So, now it seems to be something hardware specific that is different
between your machine and mine.

Note: I'm using Debian.

-- Steve


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