Followup to: <200301281515.15611.roy@karlsbakk.net>
By author: Roy Sigurd Karlsbakk <roy@karlsbakk.net>
In newsgroup: linux.dev.kernel
>
> You'll never send an engineer out to replace a set-top-box. You'll just wait
> for the customer to return the box and send out a new one. Software doesn't
> fail on those - it's some 99.9% hardware failure. If you get a hang or panic
> or something, the boxes usually have watchdogs to take care of that (and then
> reboot automatically). The average computer-frightened user getting an STB
> from the VoD/IPTV company (or her ISP) don't want to see any kernel
> gibberish. They just want a nice splash screen telling them "everything's
> gonna be alright in 45 seconds" or something. Trouble shooting is
> done in the lab after the box is returned
>
Right, which is why those boxes when running Linux invariably direct
their kernel messages to a debugging port of some sort (usually a
serial port.)
-hpa
-- <hpa@transmeta.com> at work, <hpa@zytor.com> in private! "Unix gives you enough rope to shoot yourself in the foot." http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Jan 31 2003 - 22:00:20 EST