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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/2213
parent5541099586dbd6018574cb44e1934907c121526f (diff)
downloademulator-bug-study-4d9e26c0333abd39bdbd039dcdb30ed429c475ba.tar.gz
emulator-bug-study-4d9e26c0333abd39bdbd039dcdb30ed429c475ba.zip
add gemma accelerator classification results
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+
+QEMU fails with duplicate SaveStateEntry when using two legacy virtio input devices
+Description of problem:
+QEMU bails out when it is started with two virtio-input devices running in legacy virtio mode, using two different transports (like PCI and CCW on s390x).
+Steps to reproduce:
+```
+qemu-system-s390x -M s390-ccw-virtio-2.6 -cpu max -nographic -device virtio-multitouch-pci -device virtio-tablet-ccw
+```
+fails with:
+```
+qemu-system-s390x: -device virtio-tablet-ccw: savevm_state_handler_insert: Detected duplicate SaveStateEntry: id=virtio-input, instance_id=0x0
+```
+Additional information:
+The problem does *not* occur if using modern virtio devices (which automatically happens for -M s390-ccw-virtio-2.7 and newer) or if using virtio-input devices with the same transport (e.g. two PCI devices instead of one PCI and one CCW).
+
+Also note that the problem only occurs since QEMU 8.1 since older versions did not check for duplicate SaveStateEntries (see commit caa91b3c44cdb2d2921e25 ).