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[Qemu-devel] [Bug 1795799] Re: Cirrus video, graphical corruption, bad f
From: |
1448412 |
Subject: |
[Qemu-devel] [Bug 1795799] Re: Cirrus video, graphical corruption, bad fonts |
Date: |
Wed, 03 Oct 2018 09:26:21 -0000 |
Here's what Suse62 does.
I started this system by
address@hidden /cygdrive/h/programme/qemu
$ ./qemu-system-i386 -serial stdio -hda suse62.ima -vga cirrus
WARNING: Image format was not specified for 'suse62.ima' and probing guessed
raw.
Automatically detecting the format is dangerous for raw images, write
operations on block 0 will be restricted.
Specify the 'raw' format explicitly to remove the restrictions.
I configured X using the old sax (Suse Advanced X-Configurator) to use
the SVGA server. Video memory is autodetected at only 64k, so I manually
overwrote it to be 2048k, all other values I left as autodetected. I
ordered it to start up in address@hidden
Attached images show, what it does.
It's the same host system with the same qemu version as above...
** Attachment added: "Cirrus graphics failures with SVGA Xfree Server."
https://bugs.launchpad.net/qemu/+bug/1795799/+attachment/5196499/+files/2018-10-03%2010_51_37-QEMU_suse62_kde1_fail.png
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https://bugs.launchpad.net/bugs/1795799
Title:
Cirrus video, graphical corruption, bad fonts
Status in QEMU:
New
Bug description:
The error
===
I started qemu by
`shell
$ ./qemu-system-i386 -serial stdio -cdrom /dev/cdrom -vga cirrus
S1111111111S1111111111S1111111111S1111111111▒*n*n*n*n
`
with the original suse7.0 cd 1 in the cdrom drive (I think
https://archive.org/details/suse-7.0_release_i386 has the image).
After some console output (that uses a vga framebuffer which seems to
work fine) the suse installer is started. It is displayed mostly
correct, but several text passages are completely garbled.
I noticed the same type of corruption when trying to run an old XF86
SVGA Server on a SuSE 6.2 System using the `-vga cirrus` option.
Therefore I think that the cirrus emulation might not work as intended
any more.
Qemu version
===
I used qemu-w64-setup-20180815.exe provided by
https://qemu.weilnetz.de/w64/
./qemu-system-i386 -version
QEMU emulator version 3.0.0 (v3.0.0-11723-ge2ddcc5879-dirty)
Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers
Hope you can fix it.
Best regards!
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