Re: Scroll screen in qemu window
- From: Antti Kantee <pooka@xxxxxx>
- To: rumpkernel-users@xxxxxxxxxxxxx
- Date: Fri, 2 Sep 2016 11:36:33 +0000
On 01/09/16 21:27, Myungho Jung wrote:
Hi all,
I'm trying to check messages in qemu window while rumprun is running. But,
I cannot scroll up the window. I tried guest option (-g '-nographic
-display curses -monitor stdio') to print output on host terminal but still
cannot scroll with shift+page up or page down or mouse wheel. I'm working
in Ubuntu 16.04. Does anyone know a rumprun option to make it possible to
scroll in kvm or qemu window?
Hey Myungho,
Use -g '-nographic -vga none' to get scrollable output on the terminal.
If you have debugger access to the guest, you can also use
gdbscripts/bmk_dmesg to dump a reasonable amount of buffer, even if you
didn't run the guest with terminal output.
As for the vga driver itself, it's a more complicated matter and a
longer story, and at least for now I don't anyone will fix the vga
driver itself to support scrollback. Scrollback itself is of course not
difficult, but it's pointless to add that feature to the current vga driver.
- antti
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