{"id":6667,"date":"2016-10-06T12:30:23","date_gmt":"2016-10-06T03:30:23","guid":{"rendered":"https:\/\/je1sgh.mydns.jp\/je1sghblog\/?p=6667"},"modified":"2016-10-06T12:30:23","modified_gmt":"2016-10-06T03:30:23","slug":"kernel-4-8-0%e3%81%a7virtio%e3%82%b0%e3%83%a9%e3%83%95%e3%82%a3%e3%83%83%e3%82%af%e5%8b%95%e3%81%8b%e3%81%9a2","status":"publish","type":"post","link":"https:\/\/je1sgh.mydns.jp\/je1sghblog\/?p=6667","title":{"rendered":"Kernel 4.8.0\u3067virtio\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u52d5\u304b\u305a(2)"},"content":{"rendered":"

他のマシンでも試してみました．<\/p>\n

    \n
  1. ホストマシンの，QEMU, libvirt, libvirt-glibを最新のものにして，Kernelは4.7.6のままにする<\/li>\n
  2. ここで，ゲストマシンのKernelは4.7.xのまま再起動して，virtioドライバーでグラフィックが正常（X.orgがちゃんと起動する）であることを確認<\/li>\n
  3. ゲストマシンのKernelを4.8.0にして，再起動<\/li>\n<\/ol>\n

    という手順で，ゲストマシンのビデオドライバーをこれまで使ってきたvirtioのままにすると，X.orgが起動しません．<\/p>\n

    QXL, cirrus, VMVGAでX.orgは起動しますが，cirrusとVMVGAでは，1024×768が最大の解像度です1<\/a><\/sup>Ubuntuのゲストでは，VMVGAで，2560×1600までの多種の解像度が利用できます．当該のSlackware 13.xのゲストはX.orgが古いので，1024×768までに限定されるものと推測しています．<\/span>．QXLは，1920×1200までの各種解像度に設定ができますが，ドラッグしたウィンドーの跡が途中に残るとか，汚らしいです．<\/p>\n

    ということで，高解像まで各種の解像度設定ができて，跡が残るなどのバグのないvirtioドライバーがまた使えるようになってほしいです．<\/p>\n

    どこかの設定が変わった（新しい設定が必要になった）ってだけの話なのかなぁ<\/p>\n

    2016\/10\/10追記: 4.8.1でも同じ<\/h3>\n

    バグならば改善されているかなと期待しましたが，何の変化もありません．やはり何か設定の変更(モジュールや機能の追加)が必要なのかな．<\/p>\n

    2016\/10\/24追記<\/h3>\n

    Kernel 4.8.4で解消<\/a>しました．<\/p>\n","protected":false},"excerpt":{"rendered":"

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