OS/2, eCS & ArcaOS - Technical > Internet

Firefox for eCS (OS/2) 24.8.1 Beta2 using very high CPU.

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ivan:
Hi Dave,  about:plugins just shows shockwave flash (it is the old version from the days when flash did work v9.0).

Just to see if there was/is anything odd in the systems I have here I replaced the hard disks on the Asus M4A78LT-M with the 4 core AMD Phenom processor with a new 500GB Hitachi disk.  I then installed OS/2 (no eCS here - our clients don't use it) CP2.  With the basic OS/2 running I added the necessary DLLs, the latest ODIN, XWP and warpin.  After adding the set mozilla_home and set moz_plugin_path to config.sys and rebooting I then unzipped firefox-24-8-1 into its own directory

Starting firefox from a command window and going to a known PITA site (Daily Mail) there are spikes on the CPU monitor for each core going to about 80%, exit firefox plugin-container still running evidenced by the command window not opening. 

Restart firefox, open about:config and toggle dom.ipc.plugins.enabled to false.  Open daily mail page, a few 30% spikes as page loads and viewing is normal.  Exit firefox, command window opens almost immediately. 

For me setting the dom.ipc.plugins.enabled to false works and that is all I ask.  As far as our clients are concerned flash is a potential attack vector on their systems so turning this off is 'a good thing' as far as they are concerned.  For me, if I want to watch a flash something I download it and use VLC.

Doug Bissett:

--- Quote ---Hi Dave,  about:plugins just shows shockwave flash (it is the old version from the days when flash did work v9.0).
--- End quote ---

Well, that explains why it doesn't work. It probably explains the spikes, and the high CPU usage too. Either update FLASH, get rid of FLASH, or use an older version of FF that will support the antique version that probably won't work anyway, in a lot of cases.

guzzi:
The Flash isn't trouble free either... It causes my system to reboot like if I did a CAD. The latest version doesn't always do that, but reboot may still occur even after a flash video has played. And it's not something that can be debugged(

Dave Yeo:
Hi Guzzi, that almost sounds like a hardware problem. Possibly heat. Have you looked in your computer lately for dust bunnies? Ran a memory checker?

guzzi:

--- Quote from: Dave Yeo on September 29, 2014, 02:05:47 am ---Hi Guzzi, that almost sounds like a hardware problem. Possibly heat. Have you looked in your computer lately for dust bunnies? Ran a memory checker?

--- End quote ---

Yes, did all that, even replaced the memory just to be sure. There are only two events that will trigger such a reboot. Flash will always do it, and very very seldom a combination of firefox being up very long, several other programs running and openoffice opened and closed a few times might trigger a reboot. It might be  a hardware problem, but not 'faulty' hardware, I think rather something specific to my hardware that causes the kernel to panic when certain memory addresses are used. Some form of memory corruption perhaps. I should try if with Panorama instead of Snap the problem goes away but unfortunately I can't set the proper resolution with panorama (it will not 'see' all the resolutions the monitor supports as if it can't properly read the ddc information). I'm just guessing, of course. If I would log via com port I might get some useful debugging info for someone knowledgeable to look at, but since I am the only one who has reported this issue I am loath to have have scarce manpower spent on this issue.

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