[Qemu-devel] [Bug 1819289] Re: Windows 95 and Windows 98 will not install or run

[Brad Parker]

Hopefully third time's the charm. I ran yet another bisect, between
2.5.0 (working) and 2.11.0 (not working), this time reinstalling the
entire OS from scratch with a blank disk every single time. Results:

$ git bisect good
e3af7c788b73a6495eb9d94992ef11f6ad6f3c56 is the first bad commit
commit e3af7c788b73a6495eb9d94992ef11f6ad6f3c56
Author: Paolo Bonzini <address@hidden>
Date:   Wed Apr 26 13:59:34 2017 +0200

    target/i386: introduce x86_ld*_code
    
    These take care of advancing s->pc, and will provide a unified point
    where to check for the 15-byte instruction length limit.
    
    Signed-off-by: Paolo Bonzini <address@hidden>

 target/i386/translate.c | 228 ++++++++++++++++++++++++++----------------------
 1 file changed, 125 insertions(+), 103 deletions(-)

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https://bugs.launchpad.net/bugs/1819289

Title:
  Windows 95 and Windows 98 will not install or run

Status in QEMU:
  New

Bug description:
  The last version of QEMU I have been able to run Windows 95 or Windows
  98 on was 2.7 or 2.8. Recent versions since then even up to 3.1 will
  either not install or will not run 95 or 98 at all. I have tried every
  combination of options like isapc or no isapc, cpu pentium  or cpu as
  486. Tried different memory configurations, but they just don't work
  anymore.

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