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+id = 1484
+title = "cachy linux iso not booting in linux, host machine freezes"
+state = "opened"
+created_at = "2023-02-10T00:38:48.969Z"
+closed_at = "n/a"
+labels = ["accel: KVM", "target: i386"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/1484"
+host-os = "Fedora-37"
+host-arch = "x86_64"
+qemu-version = "``QEMU emulator version 7.2.0 (v7.2.0-11948-ge6523b71fc-dirty)``"
+guest-os = "Cachy Linux 230121"
+guest-arch = "x86_64 (claims to be x86-64-v3, but seems like installation live-iso is x86-64-v1)"
+description = """- cachyos-gnome-linux-230121.iso
+  - boots native (core-i7 haswell) via ventoy-boot 
+  - boots on windows (Win10 22H2 19045.2546) using  
+    ```
+    qemu-system-x86_64 -cpu qemu64 -m 4096 -machine "type=q35,kernel-irqchip=off" -accel whpx -smp "sockets=1,cores=8,threads=1" -bios E:\\vstorage\\win_m01_edk2-x8_64.fd -boot d -cdrom E:/transcend/cachyos-gnome-linux-230121.iso  -display gtk -vga virtio -rtc base=utc -netdev user,id=vmnic1,net=192.168.20.0/24,dns=192.168.20.3,dhcpstart=192.168.20.15,hostfwd=tcp::9551-:22 -device virtio-net,netdev=vmnic1 -device virtio-serial -chardev socket,path=C:/tmpq/Downloads/qga.sock,server=on,wait=off,id=qga0 -device virtserialport,chardev=qga0,name=org.qemu.guest_agent.0 -chardev spicevmc,id=ch1,name=vdagent,clipboard=on  -device virtserialport,chardev=ch1,id=ch1,name=com.redhat.spice.0  -qmp "tcp:127.0.0.1:5955,server,nowait"
+    ```
+  - does not boot on Linux. Infact it crashes the host, which is a much bigger problem
+    ```
+    qemu-system-x86_64 -cpu qemu64 -m 4096 -machine "type=q35" -accel "kvm" -smp "sockets=1,cores=8,threads=1" -boot d  -drive "index=0,if=pflash,format=raw,readonly=on,file=/usr/share/edk2/ovmf/OVMF_CODE.fd" -drive "index=1,if=pflash,format=raw,file=/vol/15KJ_Images/vstorage/m20_OVMF_VARS.fd" -cdrom /vol/15KJ_Images/transcend/cachyos-gnome-linux-230121.iso  -device virtio-vga-gl  -display "spice-app,gl=on" -rtc "base=utc" -net "user" -device "virtio-net,netdev=vmnic" -device virtio-serial -chardev socket,path=/tmp/qga.sock,server=on,wait=off,id=qga0 -device virtserialport,chardev=qga0,name=org.qemu.guest_agent.0 -chardev spicevmc,id=ch1,name=vdagent,clipboard=on  -device virtserialport,chardev=ch1,id=ch1,name=com.redhat.spice.0  -netdev "user,id=vmnic,net=192.168.20.0/24,dns=192.168.20.3,dhcpstart=192.168.20.15" -qmp tcp:0:5955,server,nowait
+    ```  
+    when qemu windows pops up graphics inside the popped up virtviewer spice VM-window is garbled, seemingly of the grub2 bootscreen.  
+    Initially, after window popup the mouse pointer can move for a few more seconds.  
+    Then host machine GUI freezes  
+    Then caps lock toggle/LED works for a while  
+    Then host machine itself freezes. Even Ctrl-Alt-Fx to linux-console does not work.  
+    Then forced to long-press power button and reboot  
+
+Its one thing for the qemu to not be able to boot VM/iso, Its a whole different level bug to freeze the host-machine.   
+Fault inside VM should not affect outside. Plus, I think, I ran qemu-system-x86-64 as ordinary user and not as root.
+
+The self-built qemu-7.2.0 from handcrafted srpm has worked well with my other images.
+
+It may have something to do with virtio-vga-gl in linux but will need to test on next reboot to linux."""
+reproduce = """1. just run qemu command on linux"""
+additional = """"""