Lockup in Linux VM on healthdata.org

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markfilipak
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Lockup in Linux VM on healthdata.org

Post by markfilipak » 2020-05-22, 04:24

Virtual Machine: VirtualBox 6.1.6 r137129 (Qt5.6.2)
Host OS: Win10-1803 (64-bit)
Guest OS: Linux Mint 18.3, Cinnamon 3.6.7 (64-bit)
Palemoon in Linux Guest: 28.9.3 (64-bit)

'https://covid19.healthdata.org/united-states-of-america' causes lockup. Other Guest applications are not affected.
gnome-system-monitor shows 'palemoon'>'Properties'>'Waiting Channel' toggling between "poll_schedule_timeout" and "futex_wait_queue_me'

Internet connection is virtual ethernet that is directly bridged to the laptop WiFi hardware (i.e., not through Windows Firewall).

Safe Mode also exhibits the problem.
Last edited by Moonchild on 2020-05-23, 13:03, edited 1 time in total.
Reason: A proper topic title is required.

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karlchen
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Re: Lockup

Post by karlchen » 2020-05-22, 10:23

Hi, Mark.

I know it does not really explain what is wrong and therefore may not help too much; yet, I just visited the mentioned website, https://covid19.healthdata.org/united-states-of-america, using:
+ a physical machine running
+ OS: Linux Mint 18.1 64-bit, Cinnamon 3.2.7
+ Pale Moon 2.9.3 64-bit
Pale Moon did not lock up in any way.
Therefore my suspicion would be that the cause of your Pale Moon lockups must be related to the virtualization layer, which cannot be controlled by Pale Moon.

What happens if you visit the same website in the same VM using Firefox 76 e.g.?

Best regards,
Karl

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Re: Lockup

Post by Night Wing » 2020-05-22, 11:19

The site loads for me as well. Once on the page, scrolling is a little slow. Anyways, I'm not visiting the site using a virtual machine.

At this time, I'm using 64 bit linux Pale Moon 28.9.3 running in 64 bit linux Mint 19.3 (Tricia) Xfce. The only addons/extensions I use are NoSquint and uBlock Origin with UBO enabled.
Linux Mint 19.3 (Tricia) Xfce 64 Bit with 64 Bit linux Pale Moon

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adesh
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Re: Lockup

Post by adesh » 2020-05-22, 11:24

Site is extremely JS heavy and makes browser unresponsive (not totally but very slow to respond) for about ten seconds. This is on a Mac, no virtualization. So yes indeed if virtualization is involved, the site has potential to completely freeze the browser.

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Re: Lockup

Post by therube » 2020-05-22, 11:44

No lockup here, but that site is hard on PM.

I could see on a low spec'd machine where that site could put a pretty hefty drag on PM.
Maybe ? in worst case scenario, a potential lockup?

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Re: Lockup

Post by Moonraker » 2020-05-22, 16:35

What a very depressing website.
Xenial puppy linux 32-bit.

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Re: Lockup

Post by markfilipak » 2020-05-23, 02:31

karlchen wrote:
2020-05-22, 10:23
What happens if you visit the same website in the same VM using Firefox 76 e.g.?
Hi Karl,

Firefox 76.0 (64-bit) works correctly.

I experience a similar PM lockup when I attempt to browse to Johns Hopkins Hospital's COVID-19 maps (https://coronavirus.jhu.edu/us-map).

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Re: Lockup

Post by markfilipak » 2020-05-23, 02:34

Moonraker wrote:
2020-05-22, 16:35
What a very depressing website.
For what it's worth, here's my email sig:

COVID-19 perspective, 11AM, 21 May 2020:
The U.S. is 4% of world population, 31% of cases, 29% of deaths.
U.S. mortality: Of resolved cases, 80% are alive, 20% are dead.
22 January: The U.S. & S.Korea reported 1st cases on the same day.
6 March: The U.S. (pop: 331 million) had done 2000, 7-day tests.
6 March: S.Korea (pop: 51 million) had done 140,000, 4-hour tests.
16 March, deaths per million population: U.S. 264, S.Korea 5.
12 May: U.S. death count passed total cases that China ever had.

It puts a whole new spin on the popular U.S. super-patriot chant: "We're number one! We're number one!" What a screwed up country. ;-(
Last edited by markfilipak on 2020-05-23, 02:42, edited 1 time in total.

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Re: Lockup

Post by markfilipak » 2020-05-23, 02:39

adesh wrote:
2020-05-22, 11:24
Site is extremely JS heavy...
I suspect that the Cinnamon Desktop is driven by NodeJS but I've not been able to confirm that. When the browser locks up, the Cinnamon Desktop usually goes down, but not in this case. It does get very sluggish though.

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Re: Lockup

Post by Isengrim » 2020-05-23, 05:16

markfilipak wrote:
2020-05-23, 02:39
I suspect that the Cinnamon Desktop is driven by NodeJS but I've not been able to confirm that. When the browser locks up, the Cinnamon Desktop usually goes down, but not in this case. It does get very sluggish though.
Off-topic:
Cinnamon uses GJS for the JavaScript UI, which in turn uses Mozilla Spidermonkey, not NodeJS. This has little bearing on the performance of the browser. Likewise, any program consuming a lot of resources will affect any desktop environment it's running on, whether said DE uses JS or not.
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Re: Lockup in Linux VM on healthdata.org

Post by New Tobin Paradigm » 2020-05-23, 14:24

I have seen gnome3 js lock up its own compositor on bare metal. It can get really bad when it gets really bad.
Image
- thEre iS No wAY oUt of HErE.. iT'll bE DArK sOON.. -
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Re: Lockup in Linux VM on healthdata.org

Post by markfilipak » 2020-05-23, 14:32

New Tobin Paradigm wrote:
2020-05-23, 14:24
I have seen gnome3 js lock up its own compositor on bare metal. It can get really bad when it gets really bad.
Hey Tobin,

Is there a way to kill an individual PM tab? Could such a method be crafted?

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Re: Lockup in Linux VM on healthdata.org

Post by New Tobin Paradigm » 2020-05-23, 14:40

No.
Image
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