Messages in this thread | | | Date | Wed, 06 May 2015 14:13:49 +0200 | From | Gregory CLEMENT <> | Subject | Re: Fwd: Re: [PATCH 2/2] ARM: mvebu: dts: Add dts file for DLink DNS-327L |
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Hi Andrew,
> > Sorry for the long delay with testing, but here come the results. > I've rebased everything to 4.1-rc1 > > 1. WFI + DeepIdle => freeze after approx: > * 1 hours and 30 minutes, first test > * 3 hours and 40 minutes, second test > 2. WFI only (DeepIdle disabled via sysfs) => Still alive after 13 hours > and counting
Thanks for testing it. So, to sum-up, WFI+DeepIdle makes the board freeze after a few hours in 4.1-rc1 and 4.0 for sure. Are you aware of any version that did not freeze? It would help to know if it was a regression or not.
Andrew Lunn did not report any issue on his 370RD however I will test it also on an other Armada 370 base board (a Mirabox) using the .config you already sent.
But what I expect is either a hardware issue, or a hardware configuration issue in U-Boot. We still rely a lot on the bootloader and I fear that we have some implicit assumptions.
By the way do you have access on the bootloader sources or at least could you give us the U-boot version used?
Thanks,
Gregory
> > The proper patchset will follow as soon as I figure out what change > broke > dns320l-daemon (The utility that speaks to weltrend mcu on ttyS1) > It was working on 3.18.6, on 3.19 and up - it writes data to the port > (and mcu acks it), > but can't read any responses. > > Same thing happens to the python (pyserial inside) implementation of the > fan-daemon: > https://github.com/martignlo/DNS-320L >
-- Gregory Clement, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com
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