Re: [coLinux-users] How to debug: "INIT: PANIC: segmentation violation at 0xb776c417! sleeping for 30 seconds."

[Paolo M. <pao...@gm...>]

> Maybe we have a problem with FPU save/restore code for SSE2 instructions
> inside coLinux?
> Here you need to find a testcase, that produce code like "pxor %xmm0,
> %xmm0". Run this under coLinux to check it.
>
> Boot coLinux with kernel option "nofxsr". This should disable all MMX and
> SSE/SSE2 instructions.
>
> Henry

Hi Henry and Arturo,
If I remember correcly FXSAVE and FXRSTOR save and restore all
FPU/MMX/SSE2 state.
This problem seems very interesting ...
Paolo