On 10/26/2018 4:44 PM, Reco wrote: > Hi. > > On Fri, Oct 26, 2018 at 03:34:55PM +0200, john doe wrote: >>>> Run QEMU this way: >>>> >>>> qemu -hda debian.img -m 1024 -nographic \ >>>> -kernel vmlinux -append 'console=ttyS0,115200n8' \ >>>> -initrd initrd.gz >>>> >>>> Replace -kernel, -initrd and -append with '-boot c' after the >>>> installation. >>>> Also consider using '-M q35' instead of old '-M pc' you're using now. >>>> >>> >>> Thanks to the help of "Dejan Jocic <jode...@gmail.com>" and to this >>> answer I manage to get the output of the guest redirected in the >>> terminal by using the following command: >>> >>> PS C:\qemu> clear; & 'C:\Program Files\qemu\qemu-system-x86_64.exe' -hda >>> debian.img -cdrom debian-9.5.0-amd64-netinst.iso -boot d -m 1024 >>> -nographic -kernel vmlinuz -append 'console=ttyS0,115200n8 >>> DEBIAN_FRONTEND=text priority=low' -initrd initrd.gz >>> >>> As you can see it is done on Windows and when attempting to install >>> Debian the output is a bit mest up: >>> >>> Choose the next step in the install process: >>> 1: Choose language [*], >>> 2: Access software for a blind person using a braille display, >>> 3: Configure the keyboard, >>> 4: Detect and mount CD-ROM, >>> 5: Load installer components from CD, >>> 6: Change debconf priority, >>> 7: Check the CD-ROM(s) integrity, >>> 8: Save debug logs, >>> 9: Execute a shell, >>> 10: Abort the installation, >>> Prompt: '?' for help, default=1> 1 >>> >>> Select a language >>> ----------------- >>> >>> Choose the language to be used for the installation process. The selected >>> language will also be the default language for the installed system. >>> Language: >>> ←[22A←[M←[22BPrompt: '?' for help, default=2> ← >>> >>> Looks like it is character encoding related. >>> >>> I understand that it is Windows/powershell but if anyone has a hint, >>> that would be awesome! :) > > Nah, we don't do Windows here. Way too many quirks for my personal > taste. > What you can try is to replace stdio with telnet: > > qemu -hda debian.img -m 1024 \ > -chardev socket,id=tty0,port=5555,server,telnet \ > -serial chardev:tty0 -nographic \ > -kernel vmlinux -append 'console=ttyS0,115200n8' \ > -initrd initrd.gz > > Port 5555 is just an example, obviously. > And you'll need telnet, but since you're using Cygwin you should got it > covered. >
I used Cygwin simply to test qemu with the output redirected in the terminal but the reason why I'm looking at virtualisation/qemu is to go away from Cygwin and to have Debian for linux related stuff! While trying the above command, I get an error probably because I didn't install the telnet package on Cygwin. Qemu supports using COM port and I have install com0com (1) but when using '-serial COM25' I get the following error: $ qemu-system-x86_64.exe -drive file=debian.img,format=raw -boot c -m 8192 -nographic -accel hax -machine q35 -serial COM25 HAX is working and emulator runs in fast virt mode. QEMU 3.0.0 monitor - type 'help' for more information (qemu) C:\Program Files\qemu\qemu-system-x86_64.exe: -serial COM25: Failed CreateFile (2) C:\Program Files\qemu\qemu-system-x86_64.exe: -serial COM25: could not connect serial device to character backend 'COM25' I guess I'm missing something in the above command? As far as I can tell, both ports are working (COM25 and COM26). >>> Note that this e-mail is folded by my mailer. > > Meaning that I use 'format=flowed'? It's recommended to wrap lines at 72 > characters here anyway. > :) > >> Using Cygwin the output is not mest up but during the installation I'm >> stuck at: >> >> "No disk drive was detected. If you know the name of the driver needed >> by your >> disk drive, you can select it from the list. >> Driver needed for your disk drive: >> 1: continue with no disk drive [*], 46: loop," >> >> Should I select the default option (1) or what should I do? > > No, that means that whatever you did with Cygwin denied QEMU read-write > access to a file that represents a disk drive. An installation is > impossible. > Yep, removing 'debian.img' an recreating it by doing the below command did it: $ qemu-img create debian.img 25G See (2) and (3) for the 'accel hax' option. 1) https://sourceforge.net/projects/com0com/ 2) https://www.qemu.org/2017/11/22/haxm-usage-windows/ 3) https://qemu.weilnetz.de/doc/qemu-doc.html -- John Doe
