Messages in this thread |  | | Date | Sun, 15 Sep 2002 15:32:23 -0400 | From | Daniel Jacobowitz <> | Subject | Re: [linux-usb-devel] Re: [BK PATCH] USB changes for 2.5.34 |
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On Sun, Sep 15, 2002 at 12:26:02PM -0700, Linus Torvalds wrote: > > On Sun, 15 Sep 2002, Daniel Phillips wrote: > > > > I use UML all the time. It's great, but it doesn't work for SMP debugging. > > That should not be something fundamental, though. It should be perfectly > doable with threading. "SMOP".
I run into problems fairly often that I can't reproduce in UML - timing sensitive, hardware sensitive, etc. Some of them KGDB perturbs too much to be useful, but most of the time I can get it to work. UML also doesn't use a lot of the code under arch/i386/ (or didn't at least) which makes debugging that code under UML a bit futile.
> Yeah, and gdb (not to mention all the grapical nice stuff) sucks in a > threaded environment. At least it used to.
Well, yeah. It's getting a little bit better - a lot better for some cases - but no one's really sure where it needs to go to keep improving. I'm making a little progress.
-- Daniel Jacobowitz MontaVista Software Debian GNU/Linux Developer - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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