[LMB] AKICOT:L Video keeps playing even after closed

Zan Lynx zlynx at acm.org
Tue Nov 14 20:38:43 GMT 2017


On 11/14/2017 05:56 AM, Harvey Fishman wrote:
> Yes, that is exactly what closing a tab means. And YouTube will not show in
> Task Manager as it is not a task running directly on the machine but merely
> a tab running in the browser. You CAN, however, close the browser from Task
> Manager.

I can't look at Windows right this moment, but here's what Chrome
processes look like while playing a video on Linux. Notice that some of
these are gpu-process, gpu-broker, renderer, etc. And indeed, knowing
which one is running the stuck Youtube tab would be hard to do. So I
guess my idea of killing it from Task Manager is a bad idea. When I've
done it in the past I just sort of killed the newest one or at random
until I got it. Probably better to just shut down the whole browser and
relaunch it.

The new (last couple of versions) Firefox is similar to Chrome, with
many processes working together instead of just one. That lets the
browser put each process into its own security domain. So if Youtube
video playback gets a virus, it is much more difficult for that virus to
escape into the rest of the computer. Or just if anything crashes, it
only crashes that tab and not the entire browser.

> zlynx    29043  6.5  1.2 1397036 201236 tty3   SLl+ 12:31   0:13 /opt/google/chrome/chrome
> zlynx    29052  0.0  0.3 526572 52528 tty3     S+   12:31   0:00 /opt/google/chrome/chrome --type=zygote
> zlynx    29053  0.0  0.0 121972  8044 tty3     S+   12:31   0:00 /opt/google/chrome/nacl_helper
> zlynx    29056  0.0  0.0 526572 11696 tty3     S+   12:31   0:00 /opt/google/chrome/chrome --type=zygote
> zlynx    29112  3.6  0.6 676412 107424 tty3    Sl+  12:31   0:07 /opt/google/chrome/chrome --type=gpu-process --field-trial-handle=4617048781411847101,15600717043943735062,131072 --enable-gpu-rasterization --ignore-gpu-blacklist --disable-breakpad --gpu-vendor-id=0x10de --gpu-device-id=0x0ff6 --gpu-driver-vendor=Mesa --gpu-driver-version=17.2.2 --gpu-driver-date --gpu-secondary-vendor-ids=0x8086 --gpu-secondary-device-ids=0x0416 --gpu-active-vendor-id=0x8086 --gpu-active-device-id=0x0416 --service-request-channel-token=FCE03E85E8E4767D481C098121BA2278
> zlynx    29146  0.0  0.0 559096 14340 tty3     S+   12:31   0:00 /opt/google/chrome/chrome --type=gpu-broker
> zlynx    29245  0.5  0.5 1280664 93760 tty3    Sl+  12:31   0:01 /opt/google/chrome/chrome --type=renderer --field-trial-handle=4617048781411847101,15600717043943735062,131072 --service-pipe-token=A8417CFC8BE3C4E711B1573D4E30F4E4 --lang=en-US --extension-process --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --blink-settings=disallowFetchForDocWrittenScriptsInMainFrame=false,disallowFetchForDocWrittenScriptsInMainFrameOnSlowConnections=true --enable-pinch --num-raster-threads=4 --enable-zero-copy --enable-main-frame-before-activation --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553 --enable-gpu-async-worker-context --service-request-channel-token=A8417CFC8BE3C4E711B1573D4E30F4E4 --renderer-client-id=4 --shared-files=v8_natives_data:100,v8_snapshot_data:101
> zlynx    29359  0.0  0.4 1208912 71168 tty3    Sl+  12:31   0:00 /opt/google/chrome/chrome --type=renderer --field-trial-handle=4617048781411847101,15600717043943735062,131072 --service-pipe-token=354B272584976E0010593F4A4870ACF9 --lang=en-US --extension-process --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --blink-settings=disallowFetchForDocWrittenScriptsInMainFrame=false,disallowFetchForDocWrittenScriptsInMainFrameOnSlowConnections=true --enable-pinch --num-raster-threads=4 --enable-zero-copy --enable-main-frame-before-activation --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553 --enable-gpu-async-worker-context --service-request-channel-token=354B272584976E0010593F4A4870ACF9 --renderer-client-id=12 --shared-files=v8_natives_data:100,v8_snapshot_data:101
> zlynx    29461 16.4  1.4 1495052 241516 tty3   Sl+  12:31   0:25 /opt/google/chrome/chrome --type=renderer --field-trial-handle=4617048781411847101,15600717043943735062,131072 --service-pipe-token=40989CE02076C8DB1724D5C1354B494E --lang=en-US --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --blink-settings=disallowFetchForDocWrittenScriptsInMainFrame=false,disallowFetchForDocWrittenScriptsInMainFrameOnSlowConnections=true --enable-pinch --num-raster-threads=4 --enable-zero-copy --enable-main-frame-before-activation --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553 --enable-gpu-async-worker-context --service-request-channel-token=40989CE02076C8DB1724D5C1354B494E --renderer-client-id=20 --shared-files=v8_natives_data:100,v8_snapshot_data:101


-- 
                Knowledge is Power -- Power Corrupts
                        Study Hard -- Be Evil


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