"No signature for our key list"
quozl at laptop.org
Mon Jan 13 17:46:37 EST 2014
I feel I have lost an opportunity to solve a problem. Can you at
least tell me the firmware version so that I can be content that I
have solved the problem already?
On Mon, Jan 13, 2014 at 05:35:07PM -0500, Sebastian Silva wrote:
> Hi James,
> Thank you very much for your prompt answer.
> Your speculation was right: switching to a different USB key got me
> to successfully install.
> Indeed I had changed the USB to ext4 and back to fat32 again, having
> lost the original partition table backup.
> I hope I can be of help sometime as well.
> Best regards,
> On 13/01/14 16:24, James Cameron wrote:
> >G'day Sebastian,
> >You reported two interesting problems.
> >That fs-update doesn't seem to do anything while security is disabled
> >means something is very wrong.
> >That you get "No signature for our key list" may be related, but I'm
> >not sure how.
> >I suggest working on the problems in reverse order, because without
> >working fs-update there's no way you can use the four game key signed
> >install method.
> >Speculation: a recent change to your USB drive filesystem made it
> >incompatible with Open Firmware; a problem that I fixed in the last
> >You can also contact me on IRC.
> >Problem 1 - fs-update
> >a. Please tell me the firmware version.
> >b. Please show me the output you get when you try fs-update.
> >c. Please tell me how long the fs-update runs for, e.g. with a clock,
> >or by using the built-in timing commands:
> >ok t-hms( " u:\fs.zd" $fs-update )t-hms
> >d. Please try again with the latest firmware version, Q3C16, because
> >there have been several fixes relating to USB drives and filesystems.
> >e. Please try again with a different filesystem (but without
> >reformatting the problem filesystem, unless you don't care what caused
> >f. Please check but do not repair (yet) the problem filesystem.
> >Problem 2 - "No signature for our key list"
> >The error "No signature for our key list" means that fs-update signature verification failed.
> >The code is in the definition next-sig-in-list$ which looks "for a line
> >that starts with "sig0N: " whose key signature
> >\ matches the trailing bytes of a public key in our current list."
> >a. Check the fs.zip file:
> > - does the fs.zip file have a file data.sig inside it?
> > - does the file data.sig have a sig01 line?
> >b. Check the laptop:
> > - use .mfg-data to check that the deployment keys are present,
> >To automate the comparison of deployment keys, you may use telnet or
> >rdc in Open Firmware, see http://wiki.laptop.org/go/Firmware/Remote
> >On Mon, Jan 13, 2014 at 03:36:33PM -0500, Sebastian Silva wrote:
> >>Hi James and OLPC,
> >>I know you might be able to help to figure out why suddently my XOs
> >>1.5 refuse to flash my OOB built images.
> >>All I get is "No signature for our key list". However, by the same
> >>process, images built for XO1 seem to work fine.
> >>Security is even disabled on these XO1.5s and fs-update in ok prompt
> >>doesn't seem to do anything.
> >>How can I verify what went wrong? I could not find anything
> >>suspicious in OOB output.
> >>Thanks in advance for your help
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