This is a warning, not an error, and you can safely ignore it on Nexus S.
When possible, fastboot -w internally uses fastboot format instead of
fastboot erase. The goal is to generate a filesystem on the host and
send it to the bootloader, instead of trusting the device to do so
(which causes trouble). In order to do that, the bootloader needs to
return the size and filesystem type of the partitions, and the Nexus S
bootloader doesn't do that (it's too old). The first device that does
that is Galaxy Nexus.
JBQ
On Mon, Jan 7, 2013 at 7:24 PM, Eishita Farjana <
eze...@gmail.com> wrote:
> I'm having the following error -
>
> Bootloader Version...: I9020XXLC2
> Baseband Version.....: I9020XXKI1
> Serial Number........: 3334E1630CFF00EC
> --------------------------------------------
> checking product...
> OKAY [ 0.001s]
> sending 'boot' (3964 KB)...
> OKAY [ 0.693s]
> writing 'boot'...
> OKAY [ 0.603s]
> sending 'recovery' (4308 KB)...
> OKAY [ 0.541s]
> writing 'recovery'...
> OKAY [ 0.652s]
> sending 'system' (173123 KB)...
> OKAY [ 22.336s]
> writing 'system'...
> OKAY [ 24.196s]
> erasing 'userdata'...
> OKAY [ 0.243s]
> formatting 'userdata' partition...
> Erase successful, but not automatically formatting.
> Can't determine partition type.
> OKAY [ 0.001s]
> erasing 'cache'...
> OKAY [ 1.684s]
> formatting 'cache' partition...
> Erase successful, but not automatically formatting.
> Can't determine partition type.
> OKAY [ 0.001s]
> rebooting...
>
> finished. total time: 50.956s
>
> after I executed command - fastboot flashall -w while bulding jelly bean
> 4.1.2 in Galaxy Nexus. I had a look in the thread
>
https://groups.google.com/forum/?fromgroups=#!topic/android-platform/h8Ewsl7ilZA,
> but could not really understand how to solve the issue. Can anyone help
> please?
>
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--
Jean-Baptiste M. "JBQ" Queru
Technical Lead, Android Open Source Project, Google.
Questions sent directly to me that have no reason for being private
will likely get ignored or forwarded to a public forum with no further
warning.