mysterious double fault
Alexander Boettcher
boettcher at os.inf.tu-dresden.de
Tue Mar 4 13:45:00 CET 2008
Hi Alex,
can you please try to disable in the Fiasco configuration the option
"Assembler IPC shortcut". There is currently an unsolved issue.
This could/should solve the problem for time being,
Alex B.
Alexander Arlt wrote:
> hi all,
>
> i have a mysterious double fault error while booting fiasco in qemu.
> the problem is that the same configuration works on a native 586 fiasco
> and in fiasco-ux without any problems. only with qemu a double fault is
> detected.
>
> i tested it with qemu 0.9.0 and qemu 0.9.1. with version 0.9.0 the boot
> process hangs, without any error messages. with qemu 0.9.1 fiasco says
> that a double fault was detected.
>
> in my configuration i boot two instances of l4linux. while the
> intialization of the
> l4linux kernel, fiasco produces the following output:
> DOUBLE FAULT!
> EAX=c02407d0 ESI=c0240000 DS=0023
> EBX=c0401000 EDI=00000000 ES=0023
> ECX=3fe19000 EBP=c02406b4 GS=0043
> EDX=00000000 ESP=c04017cc SS=0010 ESP0=c0240800
> EFL=00200087 EIP=f002ef06 CS=0008
>
> this happens always after the "l4lx | Got 0 out of 65536 I/O ports"
> message. but the really
> confusing thing is, that sometimes also qemu can boot without any double
> fault.
>
> any ideas whats going wrong here?
>
> thanks
> alex
>
>
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