On Thu, Nov 15, 2012 at 04:20:11PM +1300, Michael Hudson-Doyle wrote: > Dave Pigott <[email protected]> writes: > > > On 12 Nov 2012, at 12:49, Alexander Sack <[email protected]> wrote: > > > >> On Mon, Nov 12, 2012 at 9:43 AM, Dave Pigott <[email protected]> wrote: > >>> Just the one since Saturday: > >>> > >>> ---------------- > >>> snowball06 > >>> ---------------- > >>> http://validation.linaro.org/lava-server/scheduler/job/38435 > >>> > >>> As noted by Andy, this is our most flakey snowball. I'm proposing > >>> retiring it. It failed three times to reboot and get the network up. I > >>> went on the board and had to hard reset to get the network to come up, > >>> which suggests it gets into a weird state that needs a completely clean > >>> boot. > >> > >> What is a clean boot? And why are we not doing a clean boot by default? > > > > Clean boot = hard reset > > > > Yes, I thought the same. I think we should always do a hard reset > > rather than a soft boot. It would mean the board state would be more > > likely to be consistent. > > The worry with always power cycling on master image targets is that > powering off sd cards is not particularly friendly, the firmware might > be shuffling blocks around as you do it and so even parts of the master > rootfs might be lost. But maybe we should try it and see what happens. > > With the sd mux, we have to power cycle each time anyway.
What about first sending a "halt" command to make sure everything is flushed properly, and only after that power cycling the board? -- Antonio Terceiro Software Engineer - Linaro http://www.linaro.org
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