Ubuntu 20.04 でシステムがフリーズし、WiFi が機能しなくなる

Ubuntu 20.04 でシステムがフリーズし、WiFi が機能しなくなる

数日前から突然、時々しか起こらない奇妙な問題に直面し始めました。ブラウザ (Chrome または Firefox) でビデオをストリーミングしたり、音声通話をしたりすると、システムが完全にフリーズし、音声の最後の 0.5 秒ほどがループ再生されることがあります。電源ボタンを長押しして強制シャットダウンする必要があります。前回この問題が発生したときは、この直前の syslog エントリを見つけました。

May 12 15:15:22 Machine gnome-shell[12407]: [19904:20:0512/151522.107395:ERROR:webrtc_video_engine.cc(3350)] Absent receive stream; ignoring clearing encoded frame sink for ssrc 0
May 12 15:15:44 Machine gnome-shell[12407]: [19904:20:0512/151544.534097:ERROR:webrtc_video_engine.cc(3350)] Absent receive stream; ignoring clearing encoded frame sink for ssrc 0
May 12 15:16:08 Machine gnome-shell[2103]: ../clutter/clutter/clutter-actor.c:10558: The clutter_actor_set_allocation() function can only be called from within the implementation of the ClutterActor::allocate() virtual function.
May 12 15:16:29 Machine gnome-shell[2103]: ../clutter/clutter/clutter-actor.c:10558: The clutter_actor_set_allocation() function can only be called from within the implementation of the ClutterActor::allocate() virtual function.
May 12 15:17:01 Machine CRON[20644]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
May 12 15:17:34 Machine gnome-shell[12407]: [19904:20:0512/151734.483733:ERROR:webrtc_video_engine.cc(3350)] Absent receive stream; ignoring clearing encoded frame sink for ssrc 0
May 12 15:19:21 Machine gnome-shell[12407]: [19904:20:0512/151921.527291:ERROR:webrtc_video_engine.cc(3350)] Absent receive stream; ignoring clearing encoded frame sink for ssrc 0
May 12 15:20:08 Machine gnome-shell[12407]: [19904:20:0512/152008.433602:ERROR:webrtc_video_engine.cc(3350)] Absent receive stream; ignoring clearing encoded frame sink for ssrc 0
May 12 15:20:55 Machine gnome-shell[2103]: ../clutter/clutter/clutter-actor.c:10558: The clutter_actor_set_allocation() function can only be called from within the implementation of the ClutterActor::allocate() virtual function.
May 12 15:24:32 Machine kernel: [12112.697501] perf: interrupt took too long (3145 > 3126), lowering kernel.perf_event_max_sample_rate to 63500
May 12 15:26:18 Machine gnome-shell[2103]: message repeated 3 times: [ ../clutter/clutter/clutter-actor.c:10558: The clutter_actor_set_allocation() function can only be called from within the implementation of the ClutterActor::allocate() virtual function.]
May 12 15:30:01 Machine CRON[20950]: (root) CMD ([ -x /etc/init.d/anacron ] && if [ ! -d /run/systemd/system ]; then /usr/sbin/invoke-rc.d anacron start >/dev/null; fi)

関係があるかどうかは分かりませんが、私のシステムも蓋を閉めると時々フリーズします。私が抱えていた問題は、この郵便受け. 統合された Intel GPU の他に専用の AMD Radeon GPU も持っていますが、WiFi に問題があったこともあります。システム ログが巨大になる問題に直面しましたが、それを修正して syslog ファイルがそれほど巨大にならないようにしました。しかし、唯一の問題は、システムが完全にフリーズするため、RAM とスワップが完全にいっぱいになっているかどうかを確認する機会がないことです。また、提供された解決策は私には当てはまりません。

関係があるかもしれないが、私は最近これ5.8.0-50 カーネルのアップグレードが悪かったために問題が発生しましたが、5.8.0-43 カーネルに戻すことで解決しました。

更新: 解決方法はまだなく、時々システムがフリーズし続けます。ストリーミングが何も行われていないときでも時々発生するため、一般的な発生原因はわかりません。Firefox の実行中に 3 回、Chrome の実行中に 1 回発生しました。また、GNOME と並行して KDE Plasma を使用していますが、この問題は明らかに KDE Plasma でより頻繁に発生するようです。また、フリーズ後にハード リブートを行った後、WiFi が機能しなかったことが 2 回発生したため、WiFi と何らかの接続がある可能性があります。デュアル ブートを使用しており、Windows で起動してから Ubuntu に戻ると WiFi が修正されます。

更新: 直感で古いカーネルに戻すことにしましたが、1、2日は問題ありませんでした。しかし、問題は解決していません。まだ発生します。ビデオを再生していない限り、めったに発生しないため、ビデオの実行が間違いなく関係しています。システム ログには、問題を示すものはありません。

更新: 短期間に複数のクラッシュが発生しました。そのうちの 1 つが発生する直前に、セッションの途中で WiFi が機能しなくなりました (今回はシステムが自動的に再起動しました)。ログは次のとおりです。

May 28 13:13:04 Machine wpa_supplicant[1103]: wlp8s0: CTRL-EVENT-BEACON-LOSS
May 28 13:13:05 Machine kernel: [ 382.206213] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:05 Machine wpa_supplicant[1103]: wlp8s0: CTRL-EVENT-DISCONNECTED bssid=d8:32:14:ac:c3:51 reason=4 locally_generated=1
May 28 13:13:05 Machine NetworkManager[1080]: <warn> [1622187785.4714] sup-iface[0x5643f88e0120,wlp8s0]: connection disconnected (reason -4)
May 28 13:13:05 Machine kernel: [ 382.386690] ath: phy0: Chip reset failed
May 28 13:13:05 Machine kernel: [ 382.386692] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:05 Machine wpa_supplicant[1103]: wlp8s0: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD
May 28 13:13:05 Machine NetworkManager[1080]: <info> [1622187785.5013] device (wlp8s0): supplicant interface state: completed -> disconnected
May 28 13:13:05 Machine NetworkManager[1080]: <info> [1622187785.5014] device (p2p-dev-wlp8s0): supplicant management interface state: completed -> disconnected
May 28 13:13:05 Machine kernel: [ 382.499354] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:05 Machine NetworkManager[1080]: <info> [1622187785.7671] device (wlp8s0): supplicant interface state: disconnected -> scanning
May 28 13:13:05 Machine NetworkManager[1080]: <info> [1622187785.7671] device (p2p-dev-wlp8s0): supplicant management interface state: disconnected -> scanning
May 28 13:13:05 Machine kernel: [ 382.682440] ath: phy0: Chip reset failed
May 28 13:13:05 Machine kernel: [ 382.682444] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:05 Machine kernel: [ 382.694287] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:05 Machine kernel: [ 382.875265] ath: phy0: Chip reset failed
May 28 13:13:05 Machine kernel: [ 382.875269] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:05 Machine kernel: [ 382.886876] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:06 Machine kernel: [ 383.067340] ath: phy0: Chip reset failed
May 28 13:13:06 Machine kernel: [ 383.067343] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:06 Machine kernel: [ 383.078891] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:06 Machine kernel: [ 383.259781] ath: phy0: Chip reset failed
May 28 13:13:06 Machine kernel: [ 383.259786] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:06 Machine kernel: [ 383.271428] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:06 Machine kernel: [ 383.452775] ath: phy0: Chip reset failed
May 28 13:13:06 Machine kernel: [ 383.452779] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:06 Machine kernel: [ 383.464488] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:06 Machine gnome-shell[2785]: [2778:2903:0528/131306.670523:ERROR:connection_factory_impl.cc(429 )] Failed to connect to MCS endpoint with error -106
May 28 13:13:06 Machine kernel: [ 383.645343] ath: phy0: Chip reset failed
May 28 13:13:06 Machine kernel: [ 383.645349] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:06 Machine kernel: [ 383.656982] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:06 Machine kernel: [ 383.837653] ath: phy0: Chip reset failed
May 28 13:13:06 Machine kernel: [ 383.837655] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:06 Machine kernel: [ 383.849256] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:07 Machine kernel: [ 384.029730] ath: phy0: Chip reset failed
May 28 13:13:07 Machine kernel: [ 384.029732] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:07 Machine kernel: [ 384.041264] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:07 Machine kernel: [ 384.221517] ath: phy0: Chip reset failed
May 28 13:13:07 Machine kernel: [ 384.221520] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:07 Machine kernel: [ 384.233066] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:07 Machine kernel: [ 384.413455] ath: phy0: Chip reset failed
May 28 13:13:07 Machine kernel: [ 384.413457] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:07 Machine kernel: [ 384.425027] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:07 Machine kernel: [ 384.606230] ath: phy0: Chip reset failed
May 28 13:13:07 Machine kernel: [ 384.606234] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:07 Machine kernel: [ 384.617913] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:07 Machine kernel: [ 384.827768] ath: phy0: Chip reset failed
May 28 13:13:07 Machine kernel: [ 384.827772] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:07 Machine kernel: [ 384.839466] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:08 Machine kernel: [ 385.021760] ath: phy0: Chip reset failed
May 28 13:13:08 Machine kernel: [ 385.021764] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:08 Machine kernel: [ 385.033343] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:08 Machine kernel: [ 385.214743] ath: phy0: Chip reset failed
May 28 13:13:08 Machine kernel: [ 385.214748] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:08 Machine kernel: [ 385.226332] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:08 Machine kernel: [ 385.408193] ath: phy0: Chip reset failed
May 28 13:13:08 Machine kernel: [ 385.408198] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:08 Machine kernel: [ 385.419929] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:08 Machine kernel: [ 385.602564] ath: phy0: Chip reset failed
May 28 13:13:08 Machine kernel: [ 385.602568] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:08 Machine kernel: [ 385.614334] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:08 Machine kernel: [ 385.796999] ath: phy0: Chip reset failed
May 28 13:13:08 Machine kernel: [ 385.797003] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:08 Machine kernel: [ 385.808712] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:09 Machine kernel: [ 385.989881] ath: phy0: Chip reset failed
May 28 13:13:09 Machine kernel: [ 385.989885] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:09 Machine kernel: [ 386.001417] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:09 Machine kernel: [ 386.181595] ath: phy0: Chip reset failed
May 28 13:13:09 Machine kernel: [ 386.181598] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:09 Machine kernel: [ 386.193159] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:09 Machine kernel: [ 386.373430] ath: phy0: Chip reset failed
May 28 13:13:09 Machine kernel: [ 386.373433] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:09 Machine kernel: [ 386.385040] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:09 Machine kernel: [ 386.566223] ath: phy0: Chip reset failed
May 28 13:13:09 Machine kernel: [ 386.566227] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:09 Machine kernel: [ 386.577874] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:09 Machine kernel: [ 386.759163] ath: phy0: Chip reset failed
May 28 13:13:09 Machine kernel: [ 386.759167] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:09 Machine kernel: [ 386.770887] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:10 Machine kernel: [ 386.953264] ath: phy0: Chip reset failed
May 28 13:13:10 Machine kernel: [ 386.953268] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:10 Machine kernel: [ 386.965018] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:10 Machine kernel: [ 387.146871] ath: phy0: Chip reset failed
May 28 13:13:10 Machine kernel: [ 387.146875] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:10 Machine kernel: [ 387.158537] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:10 Machine kernel: [ 387.366195] ath: phy0: Chip reset failed
May 28 13:13:10 Machine kernel: [ 387.366199] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:10 Machine kernel: [ 387.377851] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:10 Machine kernel: [ 387.560208] ath: phy0: Chip reset failed
May 28 13:13:10 Machine kernel: [ 387.560213] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:10 Machine kernel: [ 387.571827] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:10 Machine kernel: [ 387.753678] ath: phy0: Chip reset failed
May 28 13:13:10 Machine kernel: [ 387.753682] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:10 Machine kernel: [ 387.765389] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:11 Machine kernel: [ 387.947248] ath: phy0: Chip reset failed
May 28 13:13:11 Machine kernel: [ 387.947252] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:11 Machine kernel: [ 387.958835] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:11 Machine kernel: [ 388.139488] ath: phy0: Chip reset failed
May 28 13:13:11 Machine kernel: [ 388.139492] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:11 Machine kernel: [ 388.151087] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:11 Machine kernel: [ 388.331842] ath: phy0: Chip reset failed
May 28 13:13:11 Machine kernel: [ 388.331847] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:11 Machine kernel: [ 388.343403] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:11 Machine kernel: [ 388.524071] ath: phy0: Chip reset failed
May 28 13:13:11 Machine kernel: [ 388.524076] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:11 Machine kernel: [ 388.535694] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:11 Machine kernel: [ 388.716655] ath: phy0: Chip reset failed
May 28 13:13:11 Machine kernel: [ 388.716660] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:11 Machine kernel: [ 388.728373] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:11 Machine kernel: [ 388.909853] ath: phy0: Chip reset failed
May 28 13:13:11 Machine kernel: [ 388.909857] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:12 Machine kernel: [ 388.921631] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:12 Machine kernel: [ 389.103311] ath: phy0: Chip reset failed
May 28 13:13:12 Machine kernel: [ 389.103315] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:12 Machine kernel: [ 389.114925] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:12 Machine kernel: [ 389.296130] ath: phy0: Chip reset failed
May 28 13:13:12 Machine kernel: [ 389.296134] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:12 Machine kernel: [ 389.307803] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:12 Machine kernel: [ 389.488445] ath: phy0: Chip reset failed
May 28 13:13:12 Machine kernel: [ 389.488449] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:12 Machine kernel: [ 389.500061] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:12 Machine kernel: [ 389.681076] ath: phy0: Chip reset failed
May 28 13:13:12 Machine kernel: [ 389.681080] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:12 Machine kernel: [ 389.692809] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:12 Machine kernel: [ 389.874830] ath: phy0: Chip reset failed
May 28 13:13:12 Machine kernel: [ 389.874844] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:12 Machine kernel: [ 389.886718] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:13 Machine kernel: [ 390.068907] ath: phy0: Chip reset failed
May 28 13:13:13 Machine kernel: [ 390.068912] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:13 Machine kernel: [ 390.080601] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
May 28 13:13:13 Machine kernel: [ 390.262758] ath: phy0: Chip reset failed
May 28 13:13:13 Machine kernel: [ 390.262762] ath: phy0: Unable to reset channel, reset status -22
May 28 13:13:13 Machine kernel: [ 390.274446] ath: phy0: DMA failed to stop in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff

前回のクラッシュはログインした直後に発生したため、システムの過熱が関係していると思われます (デスクトップ画面が読み込まれていなかった)。ラップトップの電源を 20 分間オフにしてから起動しましたが、今のところクラッシュは発生していません。クラッシュの原因を特定するのに役立つかもしれないので、クラッシュ前の別のログ エントリを示します。

May 28 13:20:17 Machine gnome-shell[3664]: libva error: /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so init failed
May 28 13:20:18 Machine gnome-shell[3664]: [3704:3704:0528/132018.336942:ERROR:sandbox_linux.cc(374)] InitializeSandbox() called with multiple threads in process gpu-process.

そして、その数分後にこんな写真が撮れました。

May 28 13:27:04 Machine systemd[1]: Starting Manage, Install and Generate Color Profiles...
May 28 13:27:04 Machine gnome-session-binary[1482]: Entering running state
May 28 13:27:04 Machine gsd-media-keys[1852]: Failed to grab accelerator for keybinding settingslayback-repeat
May 28 13:27:04 Machine gsd-media-keys[1852]: Failed to grab accelerator for keybinding settings:rfkill
May 28 13:27:04 Machine gsd-media-keys[1852]: Failed to grab accelerator for keybinding settings:hibernate
May 28 13:27:04 Machine gsd-media-keys[1852]: Failed to grab accelerator for keybinding settingslayback-random
May 28 13:27:04 Machine dbus-daemon[1100]: [system] Successfully activated service 'org.freedesktop.ColorManager'
May 28 13:27:04 Machine systemd[1]: Started Manage, Install and Generate Color Profiles.
May 28 13:27:04 Machine xbrlapi.desktop[2027]: openConnection: connect: No such file or directory
May 28 13:27:04 Machine xbrlapi.desktop[2027]: cannot connect to braille devices daemon brltty at :0
May 28 13:27:05 Machine org.gnome.Shell.desktop[2034]: The XKEYBOARD keymap compiler (xkbcomp) reports:
May 28 13:27:05 Machine org.gnome.Shell.desktop[2034]: > Warning: Unsupported maximum keycode 569, clipping.
May 28 13:27:05 Machine org.gnome.Shell.desktop[2034]: > X11 cannot support keycodes above 255.
May 28 13:27:05 Machine org.gnome.Shell.desktop[2034]: > Internal error: Could not resolve keysym Invalid
May 28 13:27:05 Machine org.gnome.Shell.desktop[2034]: Errors from xkbcomp are not fatal to the X server
May 28 13:27:07 Machine gnome-shell[1542]: Warning: Failed to start gsd-xsettings
May 28 13:27:08 Machine org.gnome.Shell.desktop[1542]: libinput error: client bug: timer event5 keyboard: scheduled expiry is in the past (-74ms), your system is too slow
May 28 13:27:08 Machine gnome-shell[1542]: JS WARNING: [resource:///org/gnome/shell/ui/layout.js 24]: reference to undefined property "MetaWindowXwayland"

更新: Ubuntu 20.04 を再インストールしたにもかかわらず (カーネルを 5.8.0-53 にアップグレード)、この問題は解決しません。昨日再インストールしましたが、今日、ラップトップのカバーを開けて Chrome でタブをいくつか開いた後 (ブラウザーはすでに開いていました)、初めてシステムがフリーズしました。一体何が起こっているのか、なぜ誰もこの問題を解決できないのかわかりません。

更新: 少し前に、ラップトップのカバーを閉じました (私のシステムは、その場合にサスペンドするように設定されていません)。 カバーを開けると、自動的に再起動していました。 その頃のログ エントリが次のとおり見つかりました。

Jun  2 18:15:49 Machine thermald[849]: sensor id 4 : No temp sysfs for reading raw tempJun  2 18:23:11 Machine kernel: [   51.336014] Freezing user space processes ... (elapsed 0.110 seconds) done.
Jun  2 18:23:11 Machine kernel: [   51.446664] OOM killer disabled.
Jun  2 18:23:11 Machine kernel: [   51.446667] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
Jun  2 18:23:11 Machine kernel: [   51.448174] printk: Suspending console(s) (use no_console_suspend to debug)
Jun  2 18:23:11 Machine kernel: [   51.599021] sd 0:0:0:0: [sda] Synchronizing SCSI cache
Jun  2 18:23:11 Machine kernel: [   51.685897] sd 0:0:0:0: [sda] Stopping disk
Jun  2 18:23:11 Machine kernel: [   51.930059] [drm] enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0
Jun  2 18:23:11 Machine kernel: [   51.959324] [drm] PCIE GART of 2048M enabled (table at 0x00000000001D6000).

その他のエントリは次のとおりです。

Jun  2 18:23:13 Machine thermald[849]: I/O warning : failed to load external entity "/etc/thermald/thermal-conf.xml"
Jun  2 18:23:13 Machine thermald[849]: error: could not parse file /etc/thermald/thermal-conf.xml
Jun  2 18:23:13 Machine thermald[849]: I/O warning : failed to load external entity "/etc/thermald/thermal-conf.xml"
Jun  2 18:23:13 Machine thermald[849]: error: could not parse file /etc/thermald/thermal-conf.xml
Jun  2 18:23:13 Machine thermald[849]: I/O warning : failed to load external entity "/etc/thermald/thermal-conf.xml"
Jun  2 18:23:13 Machine thermald[849]: error: could not parse file /etc/thermald/thermal-conf.xml

この Thermald エラーについて調べてみましたが、実装できる明確な解決策は見つかりませんでした。

Gnome と KDE Plasma の両方がインストールされていることが原因である可能性はありますか? 特に、ディスプレイ マネージャーとして sddm ではなく gdm3 を設定しているのですが?

更新: この問題はまだ解決されておらず、解決していません。Chrome タブを 5 ~ 6 個 (以前も使用していました) ほど開いていて、おそらく重い Web サイトがある場合、メモリが 90% 以上になり、システムが不安定になることが何度かありました。ただし、これが根本的な原因であるかどうかはまだわかりません (syslog にこれについて何も記載されていないのはなぜでしょうか)。また、Windows のインストールは 4 GB の RAM で問題なく実行できるのに、Ubuntu ではうまくいかないのも理解できません。最新のクラッシュ後の別のログ エントリを以下に示します。

Jul  4 14:25:48 Machine google-chrome.desktop[26653]: libva error: /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so init failed
Jul  4 14:25:48 Machine google-chrome.desktop[26653]: [26685:26685:0704/142548.700456:ERROR:sandbox_linux.cc(374)] InitializeSandbox() called with multiple threads in process gpu-process.
Jul  4 14:25:53 Machine google-chrome.desktop[26653]: [26646:26666:0704/142553.812893:ERROR:gcm_store_impl.cc(652)] LevelDB remove failed: NotFound:
Jul  4 14:25:53 Machine google-chrome.desktop[26653]: [26646:26669:0704/142553.813045:ERROR:mcs_client.cc(526)] GCM Update failed!
Jul  4 14:27:18 Machine PackageKit: daemon quit
Jul  4 14:27:18 Machine systemd[1]: packagekit.service: Succeeded.
Jul  4 14:27:56 Machine google-chrome.desktop[26653]: [26687:26690:0704/142756.708204:ERROR:ssl_client_socket_impl.cc(980)] handshake failed; returned -1, SSL error code 1, net_error -100
Jul  4 14:27:56 Machine google-chrome.desktop[26653]: [26687:26690:0704/142756.796603:ERROR:ssl_client_socket_impl.cc(980)] handshake failed; returned -1, SSL error code 1, net_error -100
Jul  4 14:27:56 Machine google-chrome.desktop[26653]: [26687:26690:0704/142756.852918:ERROR:ssl_client_socket_impl.cc(980)] handshake failed; returned -1, SSL error code 1, net_error -100
Jul  4 14:28:03 Machine google-chrome.desktop[26653]: [26687:26690:0704/142803.997212:ERROR:ssl_client_socket_impl.cc(980)] handshake failed; returned -1, SSL error code 1, net_error -100
Jul  4 14:28:04 Machine google-chrome.desktop[26653]: [26687:26690:0704/142804.080933:ERROR:ssl_client_socket_impl.cc(980)] handshake failed; returned -1, SSL error code 1, net_error -100
Jul  4 14:28:04 Machine google-chrome.desktop[26653]: [26687:26690:0704/142804.141079:ERROR:ssl_client_socket_impl.cc(980)] handshake failed; returned -1, SSL error code 1, net_error -100
Jul  4 14:28:14 Machine google-chrome.desktop[26653]: [26687:26690:0704/142814.603884:ERROR:ssl_client_socket_impl.cc(980)] handshake failed; returned -1, SSL error code 1, net_error -100
Jul  4 14:28:14 Machine google-chrome.desktop[26653]: [26687:26690:0704/142814.668010:ERROR:ssl_client_socket_impl.cc(980)] handshake failed; returned -1, SSL error code 1, net_error -100
Jul  4 14:28:14 Machine google-chrome.desktop[26653]: [26687:26690:0704/142814.780805:ERROR:ssl_client_socket_impl.cc(980)] handshake failed; returned -1, SSL error code 1, net_error -100
Jul  4 14:28:14 Machine google-chrome.desktop[26653]: [26687:26690:0704/142814.860787:ERROR:ssl_client_socket_impl.cc(980)] handshake failed; returned -1, SSL error code 1, net_error -100
Jul  4 14:28:17 Machine google-chrome.desktop[26653]: (transmission-gtk:27230): GLib-CRITICAL **: 14:28:17.210: g_file_test: assertion 'filename != NULL' failed
Jul  4 14:28:17 Machine dbus-daemon[852]: [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' requested by ':1.212' (uid=1000 pid=27230 comm="transmission-gtk magnet:?xt=urn:btih:1EF2D24F1ECFF" label="unconfined")
Jul  4 14:28:17 Machine systemd[1]: Starting Hostname Service...
Jul  4 14:28:18 Machine dbus-daemon[852]: [system] Successfully activated service 'org.freedesktop.hostname1'
Jul  4 14:28:18 Machine systemd[1]: Started Hostname Service.
Jul  4 14:28:21 Machine google-chrome.desktop[26653]: [26687:26690:0704/142821.884753:ERROR:ssl_client_socket_impl.cc(980)] handshake failed; returned -1, SSL error code 1, net_error -100
Jul  4 14:28:21 Machine google-chrome.desktop[26653]: [26687:26690:0704/142821.964205:ERROR:ssl_client_socket_impl.cc(980)] handshake failed; returned -1, SSL error code 1, net_error -100
Jul  4 14:28:22 Machine google-chrome.desktop[26653]: [26687:26690:0704/142822.068246:ERROR:ssl_client_socket_impl.cc(980)] handshake failed; returned -1, SSL error code 1, net_error -100
Jul  4 14:28:22 Machine google-chrome.desktop[26653]: [26687:26690:0704/142822.140346:ERROR:ssl_client_socket_impl.cc(980)] handshake failed; returned -1, SSL error code 1, net_error -100
Jul  4 14:28:32 Machine google-chrome.desktop[26653]: [26685:26685:0704/142832.102447:ERROR:gl_utils.cc(314)] [.RendererMainThread-0x2c11bcb84700] GL_INVALID_FRAMEBUFFER_OPERATION: Draw framebuffer is incomplete
Jul  4 14:28:48 Machine systemd[1]: systemd-hostnamed.service: Succeeded.

正直に言うと、こんなに多くの情報を提供しているにもかかわらず、誰もこれに答えられないのは奇妙だと思います。

答え1

tlpまたは を使用している場合はslimbook-battery、それらをアンインストールしてください。

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