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==============================================================================TOPIC: Git User's Survey 2008http://groups.google.com/group/fa.linux.kernel/browse_thread/thread/e556c09fc03263f3?hl=en================================================================================ 1 of 1 ==Date: Sun, Aug 31 2008 10:14 pm From: "Scott Chacon" This got on Hacker News and got a few comments on the length of thesurvey. It did take me a pretty good amount of time to do.http://news.ycombinator.com/item?id=291560I'm afraid the length and time required to fill it out will skew theanswers away from beginning type users, even though a lot of thequestions are aimed at them.It may be a good idea next year to do an adaptive survey, where thereare a few of the basic questions that could be answered in a fewminutes and if the user is a beginner it stops there, if they are moreadvanced, it asks more advanced questions. I would be happy to helpset this up if there is interest, whoever is in charge of this.ScottOn Sun, Aug 31, 2008 at 2:29 PM, Jakub Narebski <jnareb@gmail.com> wrote:> Hi all,>> We would like to ask you a few questions about your use of the Git> version control system. This survey is mainly to understand who is> using Git, how and why.>> The results will be published to the Git wiki and discussed on the git> mailing list.>> The survey would be open from 1 September till 10 October.>> Please devote a few minutes of your time to fill this simple> questionnaire, it will help a lot the git community to understand your==============================================================================TOPIC: x86 kenel won't boot under Virtual PChttp://groups.google.com/group/fa.linux.kernel/browse_thread/thread/aaad75fb975cc9c7?hl=en================================================================================ 1 of 4 ==Date: Sun, Aug 31 2008 11:47 amFrom: Linus Torvalds On Sun, 31 Aug 2008, David Sanders wrote:>> I recently discovered that x86 kernels won't boot under Virtual PC.What CPU does Virtual PC emulate? As far as Wikipedia is concerned (notthat I'd take it on complete faith) it emulates a 32-bit Intel Pentium II.And that commit makes the kernel use the "P6 nops" for such hardware.Maybe Virtual PC doesn't support the newer intel nop things?Intel docs say that it should be available on any intel CPU that hasCPUID.01H.EAX[11:8] = 0110B or 1111B. That's the "family ID", and PentiumII should have a family ID of 6 (ie that 0110B case).So it sounds like a Virtual PC bug, but I dunno. And maybe we should justuse the legcay nops for anything that isn't modern (ie P4+ or Core)?Linus--> it's probably even a security bug in that I don't see what would be> stopping a ring 3 user process from executing these instructions...Well, it could be that Virtual PC raises a #UD exception in the virtualmachine. In user space, that would just cause the kernel to kill the poorinnocent victim. But when the kernel gets a #UD exception on what itexpects to be a nop, it just won't work.Linus
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