Should have been fixed by
http://git.qemu.org/?p=qemu.git;a=commit;h=2313e998d7bf55d02499ee162fb4558af4fbb3f5
soon after this report
** Changed in: qemu
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/847638
Title:
screendump broken for text mode
Status in QEMU:
Fix Released
Bug description:
I use Qemu 0.15.0 (via a FreeBSD qemu-devel-0.15.0 port) and observe the
following
problem with the screendump command.
Environment:
- qemu started with a standard vga adapter emulation (not sure if this
important)
- SDL interface is used (not sure if this important)
- guest operating system uses the text mode
- monitor console is activated with Ctrl+Alt+2
- screendump command is executed in the monitor console
I observe the following effects in this case:
- contents of the guest screen is "dumped" over the monitoring console
- produced ppm file has only a single top-most line (of characters) from the
guest
screen
It seems that the problem is caused in the vga_draw_text function in hw/vga.c.
The problem is that the dpy_update function is called for each line of text
and
only the first of such calls produces the ppm output.
Perhaps in the case when full_update is true there should only be a single
dpy_update call for the whole screen. I think that this should produce a
complete
screen dump. Not sure if that would help with the guest screen contents being
draw over the monitor console.
The code seems to be unchanged in the latest git version.
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