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Diffstat (limited to 'results/classifier/gemma3:12b/network/1922102')
| -rw-r--r-- | results/classifier/gemma3:12b/network/1922102 | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/network/1922102 b/results/classifier/gemma3:12b/network/1922102 new file mode 100644 index 00000000..e0c63025 --- /dev/null +++ b/results/classifier/gemma3:12b/network/1922102 @@ -0,0 +1,48 @@ + +Broken tap networking on macOS host + +Building QEMU with GLib newer than 2.58.3 corrupts tap networking. +Tap device was provided by Tun/Tap kernel extension installed from brew: + brew install tuntap + +Checked revisions: + 553032d (v5.2.0) + 6d40ce0 (v6.0.0-rc1) + +Host: + MacBook Pro (Retina, 15-inch, Mid 2015) + macOS Catalina 10.15.6 (19G2021) + +Guest: + Linux Ubuntu 4.4.0-206-generic x86_64 + Also tested macOS Catalina 10.15.7 as a guest, the behaviour is the same. + +QEMU command line: + +qemu-system-x86_64 \ + -drive file=hdd.qcow2,if=virtio,format=qcow2 \ + -m 3G \ + -nic tap,script=tap-up.sh + +tap-up.sh: + + #!/bin/sh + + TAPDEV="$1" + BRIDGEDEV="bridge0" + + ifconfig "$BRIDGEDEV" addm "$TAPDEV" + +Enabling/disabling Hypervisor.Framework acceleration (`-accel hvf`) has no effect. + +How to reproduce: + 1. Build & install GLib > 2.58.3 (tested 2.60.7, 2.60.7) + 2. Build qemu-system-x86_64 with GLib > 2.58.3 + 3. Boot any guest any guest with tap networking enabled + 4. See that the external network is inaccessible + +Hotfix: + 1. Build & install GLib 2.58.3 + 2. Build qemu-system-x86_64 with GLib 2.58.3 + 3. Boot any guest with tap networking enabled + 4. See that the external network is accessible, everything is working as expected \ No newline at end of file |