Good to hear. USB flash drives can be unreliable. There are so many things that can go wrong.
On Thu, Jun 13, 2013 at 04:28:48PM +1100, David Leeming wrote: > Thanks again James. > > The md5sum was OK so I reformatted the USB stick and tried again - and no > error. I have done this so many times before on XO-1 but never seen this. So > the first time I tried on XO 1.5 it happened. I must remember the old adage, > if the car doesn't start maybe it has no petrol... > > David > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On Behalf Of James > Cameron > Sent: Thursday, 13 June 2013 3:47 p.m. > To: David Leeming > Cc: 'OLPC Devel' > Subject: Re: Re-install os885 on XO-1.5 error > > G'day David, > > The CPU temperature of 54 celcius is a bit on the high side. Please > run the heat spreader test on this unit: > > ok test /switches > > If the heat spreader does not contact the CPU properly, the > temperature can rise too much during installation. If the temperature > is too high, the CPU can pause, or make mistakes. > > Significant gaps, blocks staying gray, are normal, and nothing to > worry about. These blocks don't need to be written, so the .zd file > does not write to them. This saves on downloads. > > The error "Wrong expanded data length" means that the file was not > correct on the USB drive, or the USB drive could not be read. The > task was aborted. Things you can try: > > * check the file using md5sum, see > http://wiki.laptop.org/go/Download#Verifying > > * try a different USB drive, > > * don't use a USB hub, > > * disconnect any other USB devices, > > * try a different port on the laptop, > > * upgrade the firmware; you are using Q3C07, but Q3C08 contains a fix > for USB drives with embedded hubs, and Q3C13 has a fix for USB drives > with unusual partitioning. Q3C15 is the latest version. > > That the XO starts up OK afterwards is not a valid test, since it > would likely have the same build already installed. > > No logs are kept of firmware operations, so you won't find any > evidence; you have to repeat the problem and gather data that way. > > -- > James Cameron > http://quozl.linux.org.au/ > > > -- James Cameron http://quozl.linux.org.au/ _______________________________________________ Devel mailing list [email protected] http://lists.laptop.org/listinfo/devel
