On Tue, Feb 9, 2021, at 5:31 PM, nnet wrote: > On Tue, Feb 9, 2021, at 3:26 PM, Marek Behún wrote: > > On Tue, 09 Feb 2021 15:16:45 -0800 > > nnet <n...@fastmail.fm> wrote: > > > > > I've two of these and I've just swapped them (and re-pasted the heat > > > sinks). > > > > > > The second one ran under load for awhile and now has frozen as well. > > > > > > Under a moderate load `wget -O /dev/null <large.bin>` @X00Mbits they are > > > fine. > > > > > > Under a 1 min speed test of load ~200Mbits routed WireGuard they freeze. > > > > > > They fine with both those workloads @1000_800. > > > > > > Perhaps it's heat? Unfortunately I don't have any numbers on that ATM. > > > > Try disabling cpufreq in kernel completely, compile boot image at > > 1200 MHz. If it continues freezing, then I fear we can't help you with > > 1200 MHz :( > > cat /sys/devices/system/cpu/cpufreq/policy0/scaling_available_frequencies > 200000 300000 600000 1200000 > > I'm not getting any freezes with 1.2GHz fixed after 20 minutes of load: > > echo 1200000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq > > Setting it back to min 200MHz I get a freeze within a minute: > > echo 200000 > /sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq > > > Marek > >
> +#define MIN_VOLT_MV_FOR_L0_L1_1GHZ 1108 Based on the below at boot time might an equivalent of the above need to be 1225 for 1.2GHz? 1200_750 SVC REV: 5, CPU VDD voltage: 1.225V 1000_800 SVC REV: 5, CPU VDD voltage: 1.108V
