Fastboot: Erase successful, but not automatically formatting. Can't determine partition type.

[Yury]

Hi all.

Lately I mention that fastboot produces the following log in my case:

checking product...

OKAY [  0.001s]

checking version-bootloader...

OKAY [  0.001s]

checking version-baseband...

OKAY [  0.001s]

sending 'boot' (2952 KB)...

OKAY [  0.405s]

writing 'boot'...

OKAY [  0.450s]

sending 'recovery' (3192 KB)...

OKAY [  0.437s]

writing 'recovery'...

OKAY [  0.486s]

sending 'system' (117903 KB)...

OKAY [ 16.117s]

writing 'system'...

OKAY [ 16.494s]

erasing 'userdata'...

OKAY [  0.199s]

formatting 'userdata' partition...

Erase successful, but not automatically formatting.

Can't determine partition type.

OKAY [  0.001s]

erasing 'cache'...

OKAY [  1.682s]

formatting 'cache' partition...

Erase successful, but not automatically formatting.

Can't determine partition type.

OKAY [  0.001s]

rebooting...

I'm interesting what "Erase successful, but not automatically formatting. Can't determine partition type." means and if this is only in my case or not? If it's a problem how to solve it? My device is Nexus S.

[Jean-Baptiste Queru]

Newer devices (starting with Galaxy Nexus) return more information
about their partition types, so that fastboot can locally prepare an
empty filesystem image and flash that.

Older devices (including Nexus S) don't do that, so fastboot can't
prepare an appropriate filesystem image and falls back to telling the
device to just erase the partition.

The first version of fastboot to support that is the one in Jelly Bean.

This is working as intended.

JBQ

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Jean-Baptiste M. "JBQ" Queru
Technical Lead, Android Open Source Project, Google.

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[Yury Zhauniarovich]

Thank you very much! I just started to worry because before I never noticed these messages. I think I was not very careful.

Best Regards,

Yury Zhauniarovich

[Yury Zhauniarovich]

Hi.

As JBQ explained if you use older devices this behavior of fastboot is normal. If you use new devices you should ask a new question.

Best Regards,

Yury Zhauniarovich

On 8 January 2013 10:19, Eishita <eze...@gmail.com> wrote:

I'm facing the same issue. Could any one help please?

To view this discussion on the web visit https://groups.google.com/d/msg/android-platform/-/t4kq0bbMjB0J.