RE: [Xen-devel] isolinux problems - Intel VT

["Li, Xin B" <xin.b.li@xxxxxxxxx>]

>(XEN) (GUEST: 9) Booting from CD-Rom...
>(XEN) (GUEST: 9) Trap (0xC) while in real mode
>(XEN) (GUEST: 9) eax        8220 ecx          30 edx           
>0 ebx      800000
>(XEN) (GUEST: 9) esp       D6914 ebp        200C esi       
>5521E edi       5521E
>(XEN) (GUEST: 9) eip         102 eflags    33002 cs         
>4004 ds            0
>(XEN) (GUEST: 9) es            0 fs            0 uss        
>5321 uesp   FFFA0001
>(XEN) (GUEST: 9) ves        4004 vds        4004 vfs           
>0 vgs           0
>(XEN) (GUEST: 9) trapno        C errno         0
>(XEN) (GUEST: 9) cr0       50032 cr2           0 cr3           
>0 cr4         651
>(XEN) (GUEST: 9) Halt called from %eip 0xD0382
>
>Note the entirely broken stack pointer (uesp).
>
>Using the mini ISO (or alternatively the full first 
>installation medium) provided
>with the openSuSE betas or RC1 is sufficient to reproduce the problem.
>
>Attached patch shows the current state of fixing, which gets 
>things going on
>AMD-V. This is against 3.0.3 (and specifically not cleaned up 
>to apply against
>current -unstable) and known to not address all problems in 
>that area, yet,
>although the fact that things now work on AMD-V indicates that 
>the remaining
>problem(s) is/are likely in VMX specific code, within which, 
>except for the odd
>check_for_null_selector() (for which I sent a separate mail yesterday,
>unfortunately without having got a reply from any Intel 
>engineer so far), no
>other obvious areas that need fixing have been identified.
>

I'm looking into this.
-Xin

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel