On Fri, Jun 15, 2018 at 10:52:39PM +0200, Paul Kocialkowski wrote: > When running at 432 MHz, the Lamobo R1 DRAM tends to get corrupted under > stressing workloads. Reducing the clock rate to 384 MHz results in > significantly-improved stability. > > One reliable way to trigger a corruption at 432 MHz is to run > I/O-intensive operations on an attached SATA disk. The same operations > when operating the DRAM at 384 MHz typically go fine. > > For some unexplained reason, running at 408 MHz worsens the situation. > > Signed-off-by: Paul Kocialkowski <cont...@paulk.fr>
What RAM settings are used by the Allwinner BSP, and can you reproduce the issue there if they are the same? Maxime -- Maxime Ripard, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com
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