Jason Wessel wrote: > Derek Atkins wrote: > >> Jason Wessel <[email protected]> writes: >> >> >> >>>> I think that yes, it probably is compiled with CONFIG_SMP=y. That never >>>> used to be a problem before. Is it a problem now? Strangely I used >>>> the same .config to manually build the 2.2.7 kgdb git snapshot I pulled >>>> down and that kernel seems to run correctly. >>>> >>>> >>> In the kernels I have tested, it seems to boot fine with CONFIG_SMP on >>> or off. The extended patch series does initialize the exception >>> handlers earlier than without the extended patch series. It is possible >>> that there may be additional logic added by the Fedora Kernel vs the >>> kernel.org kernel which is what kgdb and the extended kgdb patch set is >>> regression tested with. >>> >>> >> Well, I decided to ignore the Fedora kernel and just build your snapshot >> kernel. That boots. Unfortunately I still can't get it to work like >> the old kgdb -- I still can't get the kernel printk output messages >> through kgdb like I used to. But I need those in order to debug this >> bootup problem I'm having. >> >> I'm currently booting with: >> >> kgdb8250=ttyS0,115200 kgdbwait kgdbcon=ttyS0,115200 >> >> What am I missing to get the printk output to kgdb like I used to? >> >> >> > I had a 2.6.30-rc3 already built so I tried it out on that. > > I used: > > kgdb8250=ttyS0,115200 kgdbcon kgdbwait > > And it did seem to work ok, but I hit an extra break point that I didn't > set, so I was going to take a look at that. > > As far as I can tell, it is working fine. The extra breakpoint happen to be a result of a .gdbinit file I didn't notice.
When using the early debug functionality the "kgdbcon" parameter does not take any arguments. Cheers, Jason. ------------------------------------------------------------------------------ Register Now & Save for Velocity, the Web Performance & Operations Conference from O'Reilly Media. Velocity features a full day of expert-led, hands-on workshops and two days of sessions from industry leaders in dedicated Performance & Operations tracks. Use code vel09scf and Save an extra 15% before 5/3. http://p.sf.net/sfu/velocityconf _______________________________________________ Kgdb-bugreport mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/kgdb-bugreport
