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[Qemu-devel] [Bug 1799919] [NEW] IDE HDD emulation random read/write err
From: |
Yannick Duchêne |
Subject: |
[Qemu-devel] [Bug 1799919] [NEW] IDE HDD emulation random read/write errors |
Date: |
Thu, 25 Oct 2018 09:47:41 -0000 |
Public bug reported:
I unfortunately can’t give more tracks other than how to reproduce the
bug, especially that the bug occurs randomly.
Basically, I’m trying to install DOS 6.22 on an emulated ISA machine,
and it fails, DOS complaining about read or write error on drive C.
Repeating the operation multiple time, I see it occurs at random stage,
sometime even before it partitions the drive, sometime when it formats
the drive, sometime when it copies the files from the floppy to the
drive.
To test it, unpack the attached archive and execute `./run` from the
extracted directory. The archive contains three raw floppy images for
installing DOS 6.22, and a Bourne Shell script which invokes QEmu. Just
press enter at any installation stage, the bug may occurs at any stage.
I tried with `cache=none` to be sure it’s not a cache issue, but its the
same whatever the cache policy is.
Version and environment: using QEmu 3.0 on Ubuntu 16.04 on a 32 bits
DELL Inspiron 9400 (not an emulation, that’s my real laptop).
For why I’m using QEmu for this: the installation proceeds with not
error in VirtualBox, but I wanted to use QEmu to have a serial mouse
which is not available with QEmu and to have finer control over the
machine configuration ; VirtualBox although good, is more limited in
that regard.
** Affects: qemu
Importance: Undecided
Status: New
** Attachment added: "Material to reproduce the bug"
https://bugs.launchpad.net/bugs/1799919/+attachment/5205307/+files/bug.tar.xz
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https://bugs.launchpad.net/bugs/1799919
Title:
IDE HDD emulation random read/write errors
Status in QEMU:
New
Bug description:
I unfortunately can’t give more tracks other than how to reproduce the
bug, especially that the bug occurs randomly.
Basically, I’m trying to install DOS 6.22 on an emulated ISA machine,
and it fails, DOS complaining about read or write error on drive C.
Repeating the operation multiple time, I see it occurs at random
stage, sometime even before it partitions the drive, sometime when it
formats the drive, sometime when it copies the files from the floppy
to the drive.
To test it, unpack the attached archive and execute `./run` from the
extracted directory. The archive contains three raw floppy images for
installing DOS 6.22, and a Bourne Shell script which invokes QEmu.
Just press enter at any installation stage, the bug may occurs at any
stage.
I tried with `cache=none` to be sure it’s not a cache issue, but its
the same whatever the cache policy is.
Version and environment: using QEmu 3.0 on Ubuntu 16.04 on a 32 bits
DELL Inspiron 9400 (not an emulation, that’s my real laptop).
For why I’m using QEmu for this: the installation proceeds with not
error in VirtualBox, but I wanted to use QEmu to have a serial mouse
which is not available with QEmu and to have finer control over the
machine configuration ; VirtualBox although good, is more limited in
that regard.
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1799919/+subscriptions
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