Re: "invalid character" problem with SMP and 2.3.3 (and newer)
tom (saliege2@cict.fr)
Tue, 24 Aug 1999 04:35:53 +0200
Le Tue, 24 Aug 1999, Mumford a écrit :
> I'm trying to migrate to a 2.3.X kernel to do some USB stuff. When I
> fired up a 2.3.13. The computer accepts the username alright, but doesn't
> give a password prompt. Instead it reprints the login prompt (overwriting
> the one that was already there). Syslog says mingetty is giving an
> 'invalid character' error. After a slight change to mingetty, I found
> the invalid character it was getting was \0.
>
> The problem is not just with mingetty, however. I gave up on trying
> to log in on the console and tried telnetting in. It was giving the
> same symptoms (reprinting the login prompt). There were no messages
> in syslog. I was able to rlogin in (no username/password required),
> but once at a prompt, I could not do anything; no keystrokes appeared.
>
> I know this sounds like a usermode problem, but it's not happening if
> I compile out SMP. I downloaded all the 2.3.X's and tracked down the
> problem to 2.3.2/2.3.3. Something changed between those versions that
> broke me. I've tried replacing 2.3.13's drivers/char/keyboard.c with
> 2.3.2's with no luck. I also tried ALT-sysrq-r (reset the keyboard),
> and trying a kernel without sysrq (both ideas are from another keyboard/
> SMP thread), both with no luck.
>
> So does anyone know what's going on? Does this have anything to do
> with the glibc 2.1/SMP problem I've heard about?
>
> Details:
> Board: Tyan Tiger 1832DL. Intel PIIX chipset support compiled in.
> CPU's: Two 300A celeries o'clocked to 450 (no comments, please.
> they work just fine for me :)
> Keyboard: standard PS/2 style connector.
> Mouse: standard PS/2 style connector.
> Distrib: mandrake. redhat 6.0 based. glibc 2.1
> packages: everything is up-to-date with what's in the kernel Changes
> file.
>
>
>
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to compile under mandrake 6.0, pgcc need a different makefile.
in arch/i386/Makefile change "-march=i686" to -mpentium
PS: -fno-strict-aliasing is not sufficient with pgcc 1.1.3
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