From: Pavel Machek <pavel@ucw.cz>
To: Cyril Hrubis <metan@ucw.cz>
Cc: rpurdie@rpsys.net, lenz@cs.wisc.edu,
kernel list <linux-kernel@vger.kernel.org>,
arminlitzel@web.de, thommycheck@gmail.com,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
dbaryshkov@gmail.com, omegamoon@gmail.com, eric.y.miao@gmail.com,
utx@penguin.cz, zaurus-devel@www.linuxtogo.org,
Marek Vasut <marek.vasut@gmail.com>
Subject: Re: Zaurus CF tests -- ok
Date: Sat, 16 Apr 2011 09:41:34 +0200 [thread overview]
Message-ID: <20110416074134.GA26440@ucw.cz> (raw)
In-Reply-To: <20110415213817.GC4420@atrey.karlin.mff.cuni.cz>
Hi!
> > After getting _good_ power supply, I was able to untar and rm ltp tree
> > 100 times so far. 2.6.38, ext3. (So metan no, I do not see any weird
> > ext3 problems).
>
> Hmm, I'm using original adapter, but who knows if it's okay to use...
It probably is...
> > Another strange thing is... I see lots of duplicated keystrokes --
> > like type "pavel" but machine understands "paavel". But it only seems
> > to happen when I'm _not_ trying to debug it?!
>
> That seems to be side effect of machine under load (it has gpio keyboard).
ouch. original corgi_kbd driver used timers, new one uses threads --
more affected by scheduling. I'm not even sure if the worker thread it
uses runs at elevated priority...
> > With power from USB extension cable, it crashes in <5 minutes. It
> > seems to toggle charger a lot, as voltage on the cable is only
> > 4.2..4.5V. I guess it is software problem in the charging code.
> > )
>
> The zaurus actually is AFAIK unable to run from battery when connected to the
> external power, so weak power line may explain some of the strange behaviour.
?? IIRC Stanislav told me that hardware will always run off whatever
is available...?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2011-04-16 8:35 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-15 21:18 Zaurus CF tests -- ok Pavel Machek
2011-04-15 21:38 ` Cyril Hrubis
2011-04-16 4:04 ` Marek Vasut
2011-04-16 7:41 ` Pavel Machek [this message]
2011-05-15 12:26 ` Marek Vasut
2011-05-15 14:31 ` Cyril Hrubis
2011-05-15 15:51 ` Marek Vasut
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