* [Qemu-devel] Dan-0411 / FIST bug @ 2009-05-23 20:42 Robert Riebisch 2009-05-26 18:12 ` Robert Riebisch 2009-05-29 19:12 ` Robert Riebisch 0 siblings, 2 replies; 5+ messages in thread From: Robert Riebisch @ 2009-05-23 20:42 UTC (permalink / raw) To: qemu-devel Hi! Why does QEMU (versions 0.9.1 and 0.10.5 tested) "support" the "Pentium II Math Bug" from 1997? More info: http://www.rcollins.org/secrets/Dan0411.html Downloads: http://www.rcollins.org/ftp/source/fistbug/ Robert Riebisch -- BTTR Software http://www.bttr-software.de/ ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Qemu-devel] Dan-0411 / FIST bug 2009-05-23 20:42 [Qemu-devel] Dan-0411 / FIST bug Robert Riebisch @ 2009-05-26 18:12 ` Robert Riebisch 2009-05-29 19:12 ` Robert Riebisch 1 sibling, 0 replies; 5+ messages in thread From: Robert Riebisch @ 2009-05-26 18:12 UTC (permalink / raw) To: qemu-devel *bump* -- BTTR Software http://www.bttr-software.de/ ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Qemu-devel] Dan-0411 / FIST bug 2009-05-23 20:42 [Qemu-devel] Dan-0411 / FIST bug Robert Riebisch 2009-05-26 18:12 ` Robert Riebisch @ 2009-05-29 19:12 ` Robert Riebisch 2009-05-29 20:44 ` Filip Navara 1 sibling, 1 reply; 5+ messages in thread From: Robert Riebisch @ 2009-05-29 19:12 UTC (permalink / raw) To: qemu-devel Robert Riebisch wrote: > Why does QEMU (versions 0.9.1 and 0.10.5 tested) "support" the "Pentium > II Math Bug" from 1997? Why does nobody reply? :-( Robert Riebisch -- BTTR Software http://www.bttr-software.de/ ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Qemu-devel] Dan-0411 / FIST bug 2009-05-29 19:12 ` Robert Riebisch @ 2009-05-29 20:44 ` Filip Navara 2009-05-29 21:20 ` Robert Riebisch 0 siblings, 1 reply; 5+ messages in thread From: Filip Navara @ 2009-05-29 20:44 UTC (permalink / raw) To: Robert Riebisch; +Cc: qemu-devel Maybe because nobody knows. I have only briefly looked into the code and I believe it wasn't intentional and is just some side-effect of the implementation. In fact I believe more of the FPU flags are not reported correctly. F. On Fri, May 29, 2009 at 9:12 PM, Robert Riebisch <rr@bttr-software.de> wrote: > Robert Riebisch wrote: > >> Why does QEMU (versions 0.9.1 and 0.10.5 tested) "support" the "Pentium >> II Math Bug" from 1997? > > Why does nobody reply? :-( > > Robert Riebisch > -- > BTTR Software > http://www.bttr-software.de/ > > > ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Qemu-devel] Dan-0411 / FIST bug 2009-05-29 20:44 ` Filip Navara @ 2009-05-29 21:20 ` Robert Riebisch 0 siblings, 0 replies; 5+ messages in thread From: Robert Riebisch @ 2009-05-29 21:20 UTC (permalink / raw) To: qemu-devel Filip Navara wrote: > Maybe because nobody knows. I have only briefly looked into the code OK. I thought, me wasn't worth an answer. ;-( > and I believe it wasn't intentional and is just some side-effect of > the implementation. In fact I believe more of the FPU flags are not > reported correctly. I wish QEMU having a bug tracking system, e.g., Bugzilla, Trac, or Mantis, used by many / all people. Robert Riebisch -- BTTR Software http://www.bttr-software.de/ ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2009-05-29 21:20 UTC | newest] Thread overview: 5+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2009-05-23 20:42 [Qemu-devel] Dan-0411 / FIST bug Robert Riebisch 2009-05-26 18:12 ` Robert Riebisch 2009-05-29 19:12 ` Robert Riebisch 2009-05-29 20:44 ` Filip Navara 2009-05-29 21:20 ` Robert Riebisch
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