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[ts-7000] Re: SD Card write delays

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Subject: [ts-7000] Re: SD Card write delays
From: "xelaco" <>
Date: Wed, 08 Aug 2007 15:53:28 -0000
--- In  "Frank Pagliughi" <> wrote:
> 
> I can deal with a relatively high thread latency, but I can't believe
> a driver would lock out the whole system for that long.

I cannot. Anyone else experiencing these kind of problems? I've
actually seen this during development but as I was telnetting into the
machine, I considered it had to do with some unrelated networking
problems.

> > I'm using a TS-7260 for a data-logger type of application, using a
> > slightly modified ts11 kernel, the on-board flash for the root file
> > system, with an SD Card mounted.
> > 
> > The application writes its data to the SD Card, but the writes
> > occasionally lock up the whole system for something like 8-10 seconds.
> > I'm guessing when a block is being erased/written. Seems that
> > everything running at user level just stops for that time.

Same symptoms here, the machine freezes for a while, using unmodified
ts-11 kernel on a 7260.

Alex



 
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