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[SOLVED] -sh: can't access tty; job control turned off

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Hi! I just bought "Acronis True Image 2015 for PC 1 PC plus Disk Director 12" few minutes ago. I mounted AcronisTrueImage2015_en-US.iso and tested ro run only kernel and ramdisk with QEMU like this:
qemu-system-x86_64 -kernel kernel64.dat -initrd ramdisk64.dat -append vga=vesa,quiet=off -m 1G

But got an error:
"-sh: can't access tty; job control turned off"

How to fix the error?

I am using Arch Linux:
3.17.2-1-ARCH #1 SMP PREEMPT Thu Oct 30 20:49:39 CET 2014 x86_64 GNU/Linux
and Windows XP in the virtual environment.

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I solved the problem :D qemu-system-x86_64 -kernel kernel.dat -initrd ramdisk.dat -append "vga=ask quiet" -m 1G -hda test-HD-run.raw It shows the errors if vga or quiet options are missing.

Here I found a reference about how to set the resolution: Acronis Bootable Media Boots into Garbled or Low Resolution GUI

It is necessary to use predefined the "vga=" option if loading only kernel and ramdisk with qemu, when booting from a media(cd/hdd/...) then it is the bootloader that gives needed screen settings to the kernel.

The minimal append options are: -append "vga=ask quiet"