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authorChristian Krinitsin <mail@krinitsin.com>2025-07-03 16:27:09 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-03 16:27:09 +0000
commit4d9e26c0333abd39bdbd039dcdb30ed429c475ba (patch)
tree4010d5fb3e8bc48c110a2c1ff2a16b8648cb86bb /results/classifier/accel-gemma3:12b/kvm/1484
parent5541099586dbd6018574cb44e1934907c121526f (diff)
downloadqemu-analysis-4d9e26c0333abd39bdbd039dcdb30ed429c475ba.tar.gz
qemu-analysis-4d9e26c0333abd39bdbd039dcdb30ed429c475ba.zip
add gemma accelerator classification results
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+
+cachy linux iso not booting in linux, host machine freezes
+Description of problem:
+- 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.
+Steps to reproduce:
+1. just run qemu command on linux
+Additional information:
+