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Re: [general] Netwinder crashes during large data transfers

Hmm, based on what you are describing I would tend to blame DMA between
the drives and the tulip.  There should be an oops, hopefully, that you
could capture via serial console...

Note that having >1 drive is uncommon, therefore not well tested.  I
would be concerned about heat generated, since it is directly above the
processor, footbridge, and the '553 which contains the IDE controller.

Can you produce a failure when using the 10-base-t interaface (not the

I regularly move ISO images to and from my 'winder, albeit I am running
the DM image and a 2.4.19 kernel.  I do have a debian stable install so
I can try reproducing this.

Your hdparm settings match mine (except for the spindown).


On Thu, Apr 24, 2003 at 05:21:20PM +0200, Stefan Wuerthner wrote:
> Hi,
> my Netwinder sometimes crashes (total lockup) during a large data transfer 
> (e.g. 700MB files) using SMB or NFS between two machines.
> Data transfers between 2 discs on the same machine never failed...
> My HD settings are as following:
> /sbin/hdparm -X34 -d1 -u1 -m16 -c3 -S241 /dev/hda
> /sbin/hdparm -X34 -d1 -u1 -m16 -c3 -S241 /dev/hdb
> Are there any known issues with the values above?
> System configuration:
> Netwinder 64MB, Debian-arm 3.0, kernel 2.2.19, 100BaseT ethernet,
> Seagate ST380021A
> Stefan
> -- 
> -----------------------------------------------------------------------------
> Stefan Wuerthner                             web  http://wuerthner.dyndns.org
> -----------------------------------------------------------------------------
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Ralph Siemsen

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