在 2023-07-12星期三的 14:13 +0100，Maciej W. Rozycki写道： > On Wed, 28 Jun 2023, Icenowy Zheng wrote: > > > When building the package `rustc` for AOSC OS on HiFive Unmatched, > > random SIGSEGV prevents the package from getting correctly built. > > Downclocking the CPU PLL clock seems to allow rustc to be built, > > although taking much more time. > > > > Downclock the CPU PLL frequency for stability. > > FYI, I've been observing occasional (less than 1 bit per 10GiB of > data > moved) single-bit data corruption on DRAM writes with my HiFive > Unmatched, > but your change does not appear to make any difference with my > system. > > FWIW, given the price and amount of DRAM used I think it makes no > sense > to build computers equipped with a DRAM subsystem without ECC > nowadays.
Well the HiFive Unmatched board looks like it has a DRAM chip for ECC, but whether this is activated is not known... > > Maciej
