Messages in this thread |  | | Date | Thu, 12 Oct 2000 15:30:50 +0200 | From | Jamie Lokier <> | Subject | Re: 2.4.0-test9 + Winchip2/2A processor family == hang on boot |
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davej@suse.de wrote: > > Sounds like you got caught by the conditional move instruction that is > > generated for 686. It causes oops on 586, and somewhere in the oops or > > printk code you hit another cmove. Double fault, kernel hang. > > Ah yes, it all comes back to me now :) > Also explains why my printk's weren't working during tests. > > I'm amazed it took this long for someone to notice. :) > I'll have to start running devel kernels on all the > funky hardware like Winchip. Mine has been running 2.2 > (where this isn't an issue) for a long time.
Maybe it wouldn't be a bad idea to emulate cmov specifically so this sort of thing generates a reasonable diagnostic. cmov is a very simple instruction, very easy to emulate.
-- Jamie - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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