[Linaro-validation] 2012.04 planning, Support for identifying SD cards from master image
michael.hudson at linaro.org
Tue Mar 27 21:03:38 UTC 2012
On Mon, 26 Mar 2012 20:47:15 +0200, Zygmunt Krynicki <zygmunt.krynicki at linaro.org> wrote:
> Another 2014.04 planning blueprint. A trivial two-hour blueprint with
> great potential for future usage.
> A copy of the description:
> Currently all boards we are interested in have a working mmc controller.
> SD specification defines the CID register that contains per-card unique
> identification numbers. The actual syntax of the register is irrelevant
> but if made available from the master image could be used to track and
> identify SD cards in a particular lava installation.
> A master image could detect when a post-first-boot image was copied to
> another card (thus breaking uniqueness of first-boot-uuid). LAVA device
> manager could track the wear of each card even if it was moved from
> board to board without explicit notification done manually by the system
> administrator. The device manager could also track SD card performance
> as experienced by different devices in different master images. This
> could be used as basis for additional argument to timeout expressions it
> dispatcher jobs.
> See more (work items) at:
Interesting, I didn't know about that. At the very least, we should get
lava-test or something to include it in the metadata about the tests it
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