01-28-13 02:39 PM
- I can't understand why people think BB10 phones will never crash (or shocked to hear that a restart is needed). QNX as implemented at nuclear power plants and cars is different compared to implementation on BB10. There's WAY more stuff going on in BB10 (and other phone OS') that can cause the phone to crash (most of the time is third party applications or crappy websites killing the ram on the browser). iPhones crash, WP8 phones crash, Android phone crash (a lot).01-26-13 07:33 PM
- There is one thing about QNX though - it has a microkernel, not a monolithic one like others do. Apps are free to crash but the kernel will stay alive. Also, with proper resource management crash of one app will have much harder time affecting another (still possible via shared resources but much lower risk).01-26-13 09:53 PM
Can you give more detail?
Your the first person I've heard who has had to do a battery pull on a BB10 Dev Device in months.01-26-13 10:12 PM
- I can't understand why people think BB10 phones will never crash (or shocked to hear that a restart is needed). QNX as implemented at nuclear power plants and cars is different compared to implementation on BB10. There's WAY more stuff going on in BB10 (and other phone OS') that can cause the phone to crash (most of the time is third party applications or crappy websites killing the ram on the browser). iPhones crash, WP8 phones crash, Android phone crash (a lot).01-26-13 10:25 PM
- The thing to remember too is that in most cases of needing a restart it isn't a problem with the OS, it is usually a third party app that causes the need for it. This regardless of device, smartphone, laptop, you name it...at somw point it is going to happen, one of those 1 is going to be read as a 0...
Bottom line is that if the OS is written well, it should not crash due to third party apps.
(In most cases it won't be perfect because there are billions of lines of codes and you'll have someone **** something up eventually, but of course some will have fewer bugs than others)
If it locks up because it accidentally read a 1 as a 0, e.g. erroneous reads/writes/data processing, that should really only happen 1 in a billion or so, and there should be code that tries to resolve errors like that. But that is really more of a hardware thing.01-26-13 11:15 PMLike 2
- There is one thing about QNX though - it has a microkernel, not a monolithic one like others do. Apps are free to crash but the kernel will stay alive. Also, with proper resource management crash of one app will have much harder time affecting another (still possible via shared resources but much lower risk).01-27-13 03:33 AM
- As fast as my Samsung SG3 is - there are noticable performace issues with it if I don't reboot it every 2 to 3 days - same thing with my Galaxy Tab 2 & the SG2 LTE that I had - I don't know what is it with Android O/S's - even with all that power it just doesn't feel as fluid as IOS devices. I've had the same issues with every version of Android that I have had so far which includes Gingerbread, ICS & Jellybean. Anyway, I can't wait for the Z10 so that I can dump the Androids.01-27-13 04:52 AM
- Yes, I agree - I said so to. But smaller kernel = less stuff that can go wrong in it. Much of what is in the monolithic kernel in others would cause systemwide failure if any part of it crashes and cannot be recovered without a full reboot. In QNX all but microkernel can be reloaded on its own if it crashes (but I have no clue how far this fact is exploited or not).01-27-13 08:49 AM
- 01-27-13 09:57 AM
I wish everyone would just shut the fcuk up first, wait til release date, actually USE the phone or see it in use, and then ask what's under the hood to see if it even matters. I'd bet 96% of posters here don't even know what cores are or what they do or why we would need multiple ones, but it's amazing that they know they need a crapload of them or else babies will die or something. It used to be funny. Now it's just getting sad.
Kinda like wondering about the boot times of an OS version that isn't even released yet. The Dev version may be some indication, but it could get get better, could get worse, or could be the exact same to the nanosecond. Nobody really knows, do they?01-27-13 10:27 AMLike 3
There's a good reason standards like IEC 62304 - Wikipedia, the free encyclopedia exist in the field of medical software, and similar ones with which I'm not as familiar in the areas of aerospace and nuclear power. They aren't generally followed when developing phone software, and there definitely is a difference in the approach taken.
Knowing how to write good software is one thing... actually applying the discipline required to do it to the same level of quality is what is usually left out when lives are not at stake.
You can count on sometimes, though less often than on competing platforms, needing to reboot BB10 from time to time. (As noted by others a battery pull is not technically required, however, since the 10s power-button press will always reset it.)01-27-13 10:43 AMLike 3
- Somewhere around 40 secs i think is what we have seen. Much better than the 3-5 minutes on the old BBOS!
Also you can reset the iphone by holding down a combination of buttons, you dont have to wait for the battery to die. Most all non removable battery devices have a button combo to rely on if needed.01-27-13 11:59 AM
Here's what I can say. It wasn't n app that caused the problem. It was OS related, core function. It did not "lock up" or "freeze". Everything else on the device worked. We spent about a minute trying to resolve the problem. Maybe if we kept trying we might have been successful but I was interested in seeing the boot time so I suggested the pull.01-27-13 12:03 PM
- well its not like we havent seen the calender lock up in the CES presentation and just go unresponsive. it happens and its nothing new to the world of tech. Granted it better not happen on stage on the 30th but it does and will happen to all devices01-27-13 12:09 PM
- 01-27-13 12:19 PMLike 2
If it locks, it *should* recover, though the recovery process is an unknown time frame.01-27-13 12:31 PM
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