Re: [Qemu-devel] Serial Console / NoGraphic
Hi Michael, About your VNC problems : I have had problems w/ vnc too (see http://qemu-forum.ipi.fi/viewtopic.php?p=10468) but had no answer as well... Anyway, it's better to do like you're doing : installing a VNC server inside the vm is much better because you can have authentication and such things... and no mouse / keyboard issues. I'm using Qemu VNC server for the Qemu supervisor I'm developing (see http://sourceforge.net/projects/casimir-web/ ) and it works very well this way : ask qemu vnc to listen in a socket (-vnc unix:/tmp//vmXXX.vnc) and use socat to make it listen on a tcp port when you need it (socat TCP4-LISTEN: UNIX-CONNECT:), socat will die when the connexion closes, not Qemu :) I don't know if it is because of the socat thing, but I don't have problems anymore... Le mardi 25 septembre 2007 à 11:11 +0100, Michael McConnell a écrit : > Clemens Kolbitsch wrote: > > hi! > > i've been trying around for quite some time now trying to start qemu > > without > > the graphic screen... can someone tell me exactly what I'm supposed to do?? > > > > i want to redirect the output of my i386 debian linux to my host-console > > (also > > a i386 debian) to fully see the output of a kernel panic (see previous > > messages i have posted). > > > > i'm starting qemu: > > > > qemu -hda myimage -boot c -kernel-kqemu -kernel mykernel -initrd > > myinitrd -append "root=/dev/hda1 console=/dev/ttyS0" -nographic > > > > after tons of trial-and-error i finally got my system to boot, however, the > > login-screen is not displayed (i see all output of the starting system up > > until the ">>login:"). how do i connect to the serial line now to get to > > the > > login?? > > Add this to /etc/inittab in the guest system: > co:2345:respawn:/sbin/agetty ttyS0 9600 vt100-nav > > Without that it's only going to put the login prompts on the (now > hidden) virtual consoles. > > The (emulated) hardware display still exists, it's just not shown. I use > just such a setup for a Win2000 virtual-machine that's accessible by > VNC. I've had issues with QEMU's own VNC server (it crashes with a core > dump on disconnection, and no-one on the list was remotely interested) > so instead I run UltraVNC within Win2000 and connect to that instead. >
Re: [Qemu-devel] Serial Console / NoGraphic
Clemens Kolbitsch wrote: hi! i've been trying around for quite some time now trying to start qemu without the graphic screen... can someone tell me exactly what I'm supposed to do?? i want to redirect the output of my i386 debian linux to my host-console (also a i386 debian) to fully see the output of a kernel panic (see previous messages i have posted). i'm starting qemu: qemu -hda myimage -boot c -kernel-kqemu -kernel mykernel -initrd myinitrd -append "root=/dev/hda1 console=/dev/ttyS0" -nographic after tons of trial-and-error i finally got my system to boot, however, the login-screen is not displayed (i see all output of the starting system up until the ">>login:"). how do i connect to the serial line now to get to the login?? Add this to /etc/inittab in the guest system: co:2345:respawn:/sbin/agetty ttyS0 9600 vt100-nav Without that it's only going to put the login prompts on the (now hidden) virtual consoles. The (emulated) hardware display still exists, it's just not shown. I use just such a setup for a Win2000 virtual-machine that's accessible by VNC. I've had issues with QEMU's own VNC server (it crashes with a core dump on disconnection, and no-one on the list was remotely interested) so instead I run UltraVNC within Win2000 and connect to that instead. -- -- Michael "Soruk" McConnell Eridani Star System MailStripper - http://www.MailStripper.eu/ - UNIX spam filter Mail Me Anywhere - http://www.mailmeanywhere.com/ - email for phones
[Qemu-devel] Serial Console / NoGraphic
hi! i've been trying around for quite some time now trying to start qemu without the graphic screen... can someone tell me exactly what I'm supposed to do?? i want to redirect the output of my i386 debian linux to my host-console (also a i386 debian) to fully see the output of a kernel panic (see previous messages i have posted). i'm starting qemu: qemu -hda myimage -boot c -kernel-kqemu -kernel mykernel -initrd myinitrd -append "root=/dev/hda1 console=/dev/ttyS0" -nographic after tons of trial-and-error i finally got my system to boot, however, the login-screen is not displayed (i see all output of the starting system up until the ">>login:"). how do i connect to the serial line now to get to the login?? i have tried minicom, however that seems to just hang :-( should i use (tell qemu to use) a different "virtual" serial console?? how to i start minicom correctly?? could you give me the parameter set you guys are using for 1.) qemu 2.) connector (minicom???) 3.) what i have to enable inside my guest-system (i have checked that /etc/securetty include ttyS0 already) any help will - as always - be greatly appreciated!! thanks :-)
