[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Bug 1898954] Re: x86 f1 opcode hangs qemu
From: |
Launchpad Bug Tracker |
Subject: |
[Bug 1898954] Re: x86 f1 opcode hangs qemu |
Date: |
Fri, 09 Jul 2021 04:17:22 -0000 |
[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1898954
Title:
x86 f1 opcode hangs qemu
Status in QEMU:
Expired
Bug description:
I have qemu installed and running in linux and windows
in linux i execute the following simple code in real mode of cpu in my vm
90 nop
90 nop
90 nop
f1 ;this should conjure up my interrupt handler from ivt int 1
--------- end of code ----
it works properly in vbox,qemu linux,and even in my boot loder
on a real platform
it doeas not work fine in windows 10 (32 bit efi) based qemu
---
all of the below was retyped there may be typo
so onwards to the flawed software
********** for qemu-system-x86_64.exe **********
info version
4.2.0v4.2.0.11797-g2890edc853-dirty
********** for qemu-system-i386.exe **********
info version
4.2.0v4.2.0.11797-g2890edc853-dirty
***********************************************
my startup code is
"d:\programs\qemu\qemu-system-x86_64.exe" -m 16M -boot a -fda "d:\floppy.img"
-cpu Nehalem -machine pc
---
also same flaw if i change above section to
"d:\programs\qemu\qemu-system-i386.exe"
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1898954/+subscriptions
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- [Bug 1898954] Re: x86 f1 opcode hangs qemu,
Launchpad Bug Tracker <=