Re: kgdb w/threads results in debuggee hang after quit(or kill) if pid 0 is current

[Paul Albrecht <pjalbrecht at vnet dot ibm dot com>]

Amit Kale wrote:
> 
> Paul,
> 
> You can look for gdb mailing lists at
> http://sources.redhat.com/gdb
> You can post it in one of the gdb mailing lists.
> Someone else may have a similar problem with remote
> gdbstub.
> 

It's not a problem in user mode remote debug because pid 0, the idle
task, isn't a valid pid for a user thread--i.e., it's only a problem
when the remote target is the linux kernel. GDB should be fixed so that
it doesn't assume the remote target isn't running because inferior_pid
is zero.

> As for kgdb, there isn't a mailing list. I am the only
> person actively maintaining it.
> 
> Even if it's a gdb problem, I can fix it. I have done
> quite some hacking on gdb, though I am not one of the
> active gdb developers.
> 
> Amit Kale
> 
> >From: Paul Albrecht <pjalbrecht@vnet.ibm.com>
> >To: Amit Kale <akalesourceforge@hotmail.com>, scheel@us.ibm.com,
> >tom_gall@vnet.ibm.com
> >Subject: Re: kgdb w/threads results in debuggee hang after quit(or kill) if
> >pid 0 is current
> >Date: Tue, 15 May 2001 07:55:22 -0600
> >
> >Amit Kale wrote:
> > >
> > > >From: Paul Albrecht <pjalbrecht@vnet.ibm.com>
> > > >To: akale@users.sourceforge.net
> > > >Subject: kgdb w/threads results in debuggee hang after quit(or kill) if
> >pid
> > > >0 is current
> > > >Date: Mon, 14 May 2001 12:39:09 -0600
> > > >
> > > >
> > > >Amit, kgdb w/threads results in debuggee hang after quit(or kill) if
> >pid
> > > >0 is current because gdb thinks pid 0, the idle task, isn't a valid
> >pid.
> > > >Where's the fix? kernel or gdb?
> > >
> > > My guess is it's a problem with the kgdb stub.
> > >
> >
> >I think it's a gdb problem ... is there a kgdb mailing list?
> >
> > > You can avail paid email-support for kgdb to get a fix for
> > > the problem. Paid support for kgdb is available at $15/- a month.
> > > You may start by paying for a month. I am sure you'll find
> > > it worth continuing.
> > >
> > > Paid email support for kgdb involves fixing problems such as
> > > above, providing more information on setting up kgdb and debugging
> > > the kernel and supplying more documentation. It also includes
> > > patches for 2.2 and 2.4 kernel versions other than the latest
> > > 2.4 kernel. (kgdb.sourceforge.net contains only one kgdb patch)
> > >
> > > Thanks,
> > > Amit Kale
> > >
> > >
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