Re: lost ticks in linux

[Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>]

Emil Tantilov wrote:
> Yep - that is corect. init 0 works OK, but init 6
> panics.
>
> EIP points to delay_tsc, so I think it might be
> related to the issue with the clock (TSC running
> slow).
>
>   

Well, the EIP points at a sub instruction, which has no business 
generating divide exceptions.

  b:   8d b6 00 00 00 00       lea    0x0(%esi),%esi
  11:   8d bf 00 00 00 00       lea    0x0(%edi),%edi
  17:   53                      push   %ebx
  18:   8b 5c 24 08             mov    0x8(%esp),%ebx
  1c:   0f 31                   rdtsc
  1e:   89 c1                   mov    %eax,%ecx
  20:   8d b4 26 00 00 00 00    lea    0x0(%esi),%esi
  27:   f3 90                   pause
  29:   0f 31                   rdtsc
exception here -->
  2b:   29 c8                   sub    %ecx,%eax
  2d:   39 d8                   cmp    %ebx,%eax
  2f:   72 f6                   jb     0x27
  31:   5b                      pop    %ebx
  32:   c3                      ret

-- 
error compiling committee.c: too many arguments to function


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