[maemo-users] [maemo-users] app-manager crashes n770: bootreason 32wd_to

From: Marius Vollmer marius.vollmer at nokia.com
Date: Thu Dec 7 11:48:24 EET 2006
"ext Simon Oosthoek" <simon.oosthoek at gmail.com> writes:

>     Did it happen during the downloading, or during installation?  Does it
>     happen reliably, i.e., every time you try to install xterm?
> I didn't try that, but it happened again when I installed another
> "big" package (>1MB). The crash happens during the download.

Ahh, ok.  Previously, I was assuming that your crashes might be due to
some bad interactions between the AM and the packages you install.

But now I am more inclined to think that there is some more general
system instability to blame, maybe even caused by the specific WLAN AP
you are using.

> (Basically, the repository landscape is f*cked up, and it is easy to
> get combinations of packages that don't work together, I think.)
> Sounds bad :-( 

But has to be said. ;)

>     There is a watchdog, but I don't think it monitors CPU usage.  (A user
>     process can not refuse to give the CPU back to the Linux kernel.)  The
>     watchdog reboots the device when critical system processes die.
> From what I've read, it also kills when the CPU is hogged (sorry, can't find
> the source right now, but it was an IRC log)

Yes, Kimmo told me that there is indeed also a CPU usage watchdog.  I
don't know anything about that part of the system...

> > Of course, I'm also annoyed that this is happening because of the
> > use of a standard application, that just should not happen!
> Of course it should not happen! :-) But please understand that you
> are dealing with a pretty young system here and that we deliberately
> exercise basically no control over what packages people make
> available for the device.
> I have understanding, but the opera browser, the application
> installer and the lifeguard feature are all Nokia's, so they should
> work well together, at least!

Yes, that is true.

> If fbreader or xterm or whatever crashes or even kills the OS, I
> accept that as my risk, but the clean distro should perform the
> basic functions without crashing on a file download.

No argument here, of course.

> PS, I do appreciate the whole linux choice by Nokia and thus their
> kudos haven't run out yet wih me ;-)

Same here! :-) (Most of us hackers here are actually here because of
Nokias Linux choice.  We just have to play cooperate block heads on
mailing lists sometimes so you can't always tell we are hackers. :-)

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